PUBLICATIONS [updated 5 June 2016]
IN PRESS:
Nesom, G.L. 2016 (in press). Fabaceae (Crotalaria, 15 species; Erythrina, 2; Galactia, 21; Neptunia, 4; Pachyrhizus 1; Tephrosia, 14). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vols. 10, 11.
Nesom, G.L. 2016 (in press). Melastomataceae (Rhexia, 13 species; Tetrazygia, 1; Melastoma, 1). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vols. 10/11.
Nesom, G.L. 2016 (in press). Garryaceae (Aucuba, 1 species; Garrya, 8). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 12.
Nesom, G.L. 2016 (in press). Oxalidaceae (Oxalis, 35 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 12.
Nesom, G.L. 2016 (in press). Rhamnaceae (15 genera, 49 species; excluding Ceanothus). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 12.
SUBMITTED:
Costea, M. and G.L. Nesom. Submitted. Convolvulaceae (Cuscuta, 55 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 14.
Henrickson, J. and G.L. Nesom. Submitted. Scrophulariaceae (Leucophyllum, 3 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 17.
Nesom, G.L. Submitted. Araliaceae (Hydrocotyle, 8 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 13.
Nesom, G.L. Submitted. Apiaceae (Ammoselinum, 3 species; Apiastrum, 1; Atrema, 1; Berula, 1; Bifora, 2; Caucaulis, 1; Centella, 1; Cryptotaenia, 1; Erigenia, 1; Eurytaenia, 2; Petroselinum, 1; Polytaenia, 3; Sium, 1; Spermolepis, 5; Tilingia, 1; Trachyspermum, 1; Trepocarpus, 1; Turgenia, 1; Vesper, 6; Yabea, 1). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 13.
Nesom, G.L. Submitted. Sapindaceae. (Ungnadia, 1 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 13.
Nesom, G.L. Submitted. Lamiaceae (Callicarpa, 3 species; Clerodendrum, 7; Cornutia, 1; Holmskioldia, 1; Premna, 1; Prunella, 2; Vitex, 5; Volkameria, 1). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 16.
Nesom, G.L. Submitted. Oleaceae. (Cartrema, 2 species; Chionanthus, 2; Forestiera, 8; Forsythia, 3 species, 1 hybrid; Fraxinus, 19; Jasminum, 8; Ligustrum, 8; Menodora, 4; Olea, 1; Osmanthus, 4). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 16.
Nesom, G.L. Submitted. Verbenaceae (Aloysia, 3 species; Bouchea, 3; Citharexylum, 3; Duranta, 1; Glandularia, 18; Lippia, 2; Petraea, 1, Phyla, 6; Priva, 1; Stachytarpheta, 3; Verbena, 32). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 16.
Nesom, G.L. Submitted. Phrymaceae (Erythranthe, 82 species, with N.S. Fraga; Mimetanthe, 1 species; Mimulus, 2 species; Diplacus, 48 species, with M.C. Tulig). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 17.
Nesom, G.L. Submitted. Scrophulariaceae (Verbascum, 12 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 17.
Nesom, G.L. Submitted. Crotalaria, Galactia, Tephrosia (Fabaceae). In K. Lake et al. (eds.), Legumes of Arizona.
PUBLISHED:
Nesom, G.L.
2016. Erythrina herbacea (Fabaceae) and two close relatives from
Mexico. Phytoneuron 2016-39: 1–11.
Nesom, G.L. 2015. Cucurbitaceae (Apodanthera, 1 species; Brandegea, 1; Bryonia, 2; Cayaponia, 2; Citrullus, 3; Coccinia, 1; Ctenolepis, 1; Cucumis, 6; Cucurbita, 9; Cyclanthera, 4; Ecballium, 1; Echinocystis, 1; Echinopepon, 2; Ibervillea, 2; Lagenaria, 1; Luffa, 2; Marah, 7; Melothria, 1; Momordica, 2; Sicyos, 4; Sicyosperma, 1; Thladiantha, 1; Tumamoca, 1. In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico, Vol. 6: 3–58.
Nesom, G.L. 2015. Malvaceae (Corchorus, 5 species; Triumfetta, 3 species). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico, Vol. 6: 197-202.
Nesom, G.L. 2015.
Eurytaenia texana (Apiaceae) native to Louisiana. Phytoneuron 2015-51: 1–2.
Nesom, G.L.
2015. Taxonomy of Galactia (Fabaceae) in the USA. Phytoneuron 2015-42: 1–54.
Nesom, G.L.
2015. A new species of Galactia (Fabaceae) from Central
America. Phytoneuron 2015-43: 1–4.
Nesom, G.L.
2015. Erigeron hodgsoniae (Asteraceae), a new species
from central Arizona. Phytoneuron
2015-37: 1–6.
Nesom, G.L.
2015. Variation in Erythranthe cordata (Phrymaceae) in
Arizona. Phytoneuron 2014-38: 1–12.
Nesom, G.L.
2015. Key to native and
cultivated species of Erythrina
(Fabaceae) in the USA and comments on naturalization of E. crista-galli. Phytoneuron
2015-29: 1–8.
Nesom, G.L.
2015. Ranunculus ficaria (Ranunculaceae) in the Texas flora: Update. Phytoneuron 2015-27: 1–7.
Nesom, G.L. 2015. Gillenia (2 species); Photinia (5 species); (Rosaceae). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 9.
Nesom, G.L. 2014. Phylogeny of Fraxinus sect. Melioides
(Oleaceae): Review and an alternate hypothesis.
Phytoneuron 2014-95:
1–9.
Nesom, G.L.
2014. Further observations on
relationships in the Erythranthe guttata
group (Phrymaceae). Phytoneuron 2014-93:
1–8.
Nesom, G.L.
2014. Updated classification and
hypothetical phylogeny of Erythranthe
sect. Simiola (Phrymaceae). Phytoneuron 2014-81: 1–6.
Nesom, G.L.
2014. Commentary: Speciation on a
local geographic scale in Mimulus. Phytoneuron 2014-72: 1–4.
Nesom, G.L.
2014. Citrus trifoliata (Rutaceae): Review of biology and distribution in
the USA. Phytoneuron 2014-46: 1–14.
Nesom, G.L.
2014. Taxonomy of Erythranthe sect. Erythranthe (Phrymaceae).
Phytoneuron 2014-31: 1–41.
Nesom, G.L., D.D. Spaulding, and H.E.
Horne. 2014. Further observations on the Oxalis dillenii group
(Oxalidaceae). Phytoneuron 2014-12:
1–12.
Nesom, G.L.
2014. Taxonomy of Cyclanthera (Cucurbitaceae) in the
USA. Phytoneuron 2014-11: 1–17.
Nesom, G.L., D.D. Spaulding, and H.E.
Horne. 2014. Further observations on the Oxalis dillenii group
(Oxalidaceae). Phytoneuron 2014-12:
1–12.
Nesom, G.L.
2014. Oxalis pilosa (Oxalidaceae) adventive in Texas. Phytoneuron 2014-13: 1–2.
Nesom, G.L. and J.M. Egger. 2014. Castilleja coccinea and C. indivisa (Orobanchaceae). Phytoneuron 2014-14: 1–6.
Nesom, G.L. and J.M. Egger. 2014.
Review of the Castilleja purpurea
complex (Orobanchaceae). Phytoneuron
2014-15: 1–14.
Nesom, G.L. 2013. Review: Brandvain, Kenney, Flagel, Coop, and Sweigart. "Speciation and introgression between Mimulus nasutus and Mimulus guttatus." Phytoneuron 2013-97: 1–9.
Nesom, G.L.
2013. Mimulus filicifolius joins Erythranthe
(Phrymaceae). Phytoneuron 2013-80:
1–2.
Nesom, G.L. 2013.
Three new species of Diplacus (Phrymaceae) related to D. cusickii and D. nanus. Phytoneuron
2013-65: 1–18.
Nesom, G.L. 2013. Taxonomic notes on Diplacus (Phrymaceae).
Phytoneuron 2013-66: 1–7.
Nesom, G.L.
2013. New distribution records
for Erythranthe (Phrymaceae). Phytoneuron 2013-67: 1–15.
Nesom, G.L.
2013. Observations on habit and
duration in populations of Erythranthe
microphylla and E. guttata
(Phrymaceae). Phytoneuron 2013-68:
1–8.
Nesom, G.L.
2013. The taxonomic status of Mimulus sookensis (Phrymaceae) and
comments on related aspects of biology in species of Erythranthe. Phytoneuron
2013-69: 1–18.
Nesom, G.L.
2013. A new species of Erythranthe sect. Simiola (Phrymaceae) from California serpentine. Phytoneuron-70: 1–6.
Nesom, G.L.
2013. A third species of Mimophytum s. str. and three new species
of Omphalodes (Boraginaceae) from
North America. Phytoneuron 2013-64:
1–22.
Nesom, G.L. 2013. [37 genera, 142 species of Asteraceae]. In K.D. Heil, S.L. O'Kane, L.M. Reeves, and A. Clifford. Flora of the Four Corners Region: Vascular Plants of the San Juan River Drainage – Arizona, Colorado, New Mexico, and Utah. Missouri Bot. Garden Press, St. Louis. Acamptopappus, Almutaster, Arida, Baccharis, Chaetopappa, Conyza, Dieteria, Erigeron, Eurybia, Euthamia, Grindelia, Gutierrezia, Heterotheca, Isocoma, Laennecia, Oreochrysum, Machaeranthera, Petradoria, Psilactis, Pyrrocoma, Solidago (with J.C. Semple), Stenotus, Symphyotrichum, Tonestus, Xanthisma, Xylorhiza; Antennaria, Anaphalis, Pseudognaphalium, Gnaphalium, Pluchea, Stylocline; Senecio; Ageratina, Eupatorium, Liatris; Bidens
Horne, H.E., T.W. Barger, and G.L. Nesom. 2013.
Two South American species of Oxalis
(Oxalidaceae) naturalized in Alabama and the USA, first report. Phytoneuron 2013-54: 1–7.
Nesom, G.L., D.J. Rosen, and S.K.
Lawrence. 2013. Notes on variation and geography in Rayjacksonia phyllocephala (Asteraceae: Astereae). Phytoneuron 2013-53: 1–14.
Nesom, G.L.
2013. Diplacus thompsonii
(Phrymaceae), new species from California.
Phytoneuron 2013-46: 1–7.
Nesom, G.L.
2013. Two new species of Erythranthe sect. Mimulosma (Phrymaceae) from California. Phytoneuron 2013-43: 1–10.
Nesom, G.L.
2013. Taxonomic notes on Colubrina (Rhamnaceae). Phytoneuron 2013-4: 1–21.
Nesom, G.L. 2012. Terms
for surface vestiture and relief of Cucurbitaceae fruits. Phytoneuron 2012-108: 1–4.
Nesom,
G.L. 2012. Notes on the Garrya ovata complex (Garryaceae).
Phytoneuron 2012-97: 1–6.
Nesom,
G.L. 2012. Synopsis of American Cartrema (Oleaceae).
Phytoneuron 2012-96: 1–11.
Hartman, R.L. and G.L. Nesom. 2012. Taxonomy
of the genus Vesper (Apiaceae). Phytoneuron-94: 1–9.
Nesom, G.L.
2012. Villarrealia (Apiaceae), a new genus from northern Mexico. Phytoneuron-85: 1–6.
Nesom,
G.L. 2012. Taxonomy of Apiastrum, Ammoselinum,
and Spermolepis (Apiaceae). Phytoneuron 2012-87: 1–49.
Van Devender, T.R. and G.L. Nesom. 2012. Glandularia malpaisana (Verbenaceae), a
new species from Sonora, Mexico.
Phytoneuron 2012-65: 1–6.
Nesom, G.L.
2012. Taxonomy of Polytaenia (Apiaceae): P.
nuttallii and P. texana. Phytoneuron 2012-66: 1–12.
Nesom, G.L.
2012. Taxonomy of Eurytaenia (Apiaceae).
Phytoneuron 2012-67: 1–7.
Nesom, G.L. 2012. Diplacus brandeegei (Pennell) Nesom
(Phrymaceae) is the correct name for the insular endemic, not Diplacus latifolius (A. Gray) Nesom. Phytoneuron 2012-54: 1.
Strother, J.L., R.L. Moe, and
G.L. Nesom. 2012. Gamochaeta
argyrinea (Asteraceae) naturalized in California. Phytoneuron 2012-52: 1–4.
Barker, W.R., G.L. Nesom,
P.M. Beardsley, and N.S. Fraga. 2012. A taxonomic conspectus of Phrymaceae: A
narrowed circumscription for Mimulus, new and resurrected genera, and
new names and combinations. Phytoneuron
2012-39: 1–60.
Nesom, G.L.
2012. Taxonomy of
Erythranthe sect. Simiola (Phrymaceae) in the USA and Mexico. Phytoneuron 2012-40: 1–123.
Nesom, G.L.
2012. Taxonomy of
Erythranthe sect. Mimulosma
(Phrymaceae). Phytoneuron 2012-41:
1–36.
Nesom, G.L.
2012. Taxonomic summary of
Erythranthe sect. Achlyopitheca
(Phrymaceae). Phytoneuron 2012-42:
1–4.
Nesom, G.L.
2012. Notes on
Erythranthe orizabae (Phrymaceae).
Phytoneuron 2012-43: 1–4.
Nesom, G.L.
2012. Erythranthe sinoalba
(Phrymaceae), a new species from Yunnan, China.
Phytoneuron 2012-44: 1–3.
Tulig, M.C.
and G.L. Nesom. 2012. Taxonomic overview of Diplacus sect. Diplacus
(Phrymaceae). Phytoneuron 2012-45: 1–20.
Nesom, G.L.
2012. Plesiogamy, a term
contrasting with herkogamy. Phytoneuron
2012-46: 1–2.
Nesom,
G.L. 2012. Three varieties raised to specific rank in Diplacus
(Phrymaceae). Phytoneuron 2012-47: 1–6.
Mayfield, M.H. and
G.L. Nesom. 2012. A new species of Scrophularia
(Scrophulariaceae) from northeastern Mexico.
Phytoneuron 2012-22: 1–5.
White, M. and G.L. Nesom. 2012.
Two intersectional hybrids in Liatris (Asteraceae) from east
Texas. Phytoneuron 2012-21: 1–6.
Nesom, G.L.
2012. Infrageneric classification
of Rhexia (Melastomataceae).
Phytoneuron 2012-15: 1–9.
Singhurst, J.R., J.N. Mink, W.C. Holmes, and
G.L. Nesom. 2012. Bellardia trixago (Orobanchaceae): 40
years of range expansion in Texas and a first report from Louisiana. Phytoneuron 2012-4: 1–4.
McDonald, J.A., J. Martinez, and G.L. Nesom. 2011.
Alpine flora of Cerro Mohinora, Chihuahua, Mexico. J. Bot. Res. Inst. Texas 5: 701–705.
Nesom, G.L. and J.F. Pruski. 2011.
Resurrected species of Erigeron (Asteraceae: Astereae) from
Central America. Phytoneuron 2011-36: 1–10.
Nesom,
G.L. 2011. Is Calyptocarpus vialis (Asteraceae)
native or introduced in Texas? Phytoneuron
2011-31: 1–7.
Nesom,
G.L. 2011. Recognition and synopsis of Mimulus
sect. Tropanthus and sect. Leucocarpus (Phrymaceae). Phytoneuron
2011-28: 1–8.
Nesom, G.L. and T.K.
Lowrey. 2011. Solidago
capulinensis (Asteraceae: Astereae) redivivus. Phytoneuron 2011-24: 1–22.
Nesom, G.L. 2011.
Toward consistency of taxonomic rank in wild/domesticated
Cucurbitaceae. Phytoneuron 2011-13: 1–33.
Nesom, G.L.
2011. Taxonomy of Sicyos
(Cucurbitaceae) in the USA. Phytoneuron
2011-15: 1–11.
Nesom, G.L. and J.F. Pruski. 2011.
Harold Robinson –– Recipient of the 2010 Asa Gray Award. Syst. Bot. 36: 1–4.
Nesom, G.L. 2011. New state records for Citrullus, Cucumis,
and Cucurbita (Cucurbitaceae) outside of cultivation in the USA. Phytoneuron 2011-1: 1–7.
Williams, J.K.
and G.L. Nesom. 2010. The status of Fraxinus
papillosa (Oleaceae): SEM study of abaxial epidermal features. Lundellia
13: 14–22.
Nesom, G.L. 2010. Overview of Liriope and Ophiopogon (Ruscaceae) commonly cultivated and naturalized in the USA. Phytoneuron 2010-56: 1–31.
Spaulding, D., W. Barger, and G.L. Nesom. 2010. Liriope and Ophiopogon (Ruscaceae) naturalized in Alabama. Phytoneuron 2010-55: 1–10.
Nesom, G.L. 2010. Glandularia gooddingii (Verbenaceae): Notes on distribution and variation. Phytoneuron 2010–54: 1–9.
Nesom, G.L. 2010. Fraxinus biltmoreana and Fraxinus smallii (Oleaceae), forest trees of the eastern United States. Phytoneuron 2010-51: 1–30.
O’Kane, S., K.D. Heil, and G.L. Nesom. 2010. Variation in Erigeron grandiflorus (Asteraceae: Astereae) in southwestern Colorado. Phytoneuron 2010-44: 1–6.
Nesom, G.L. 2010. Taxonomy of the Glandularia bipinnatifida group (Verbenaceae) in the USA. Phytoneuron 2010-46: 1–19.
Nesom, G.L. 2010. Taxonomy of the water ashes: Fraxinus caroliniana, F. cubensis, and F. pauciflora (Oleaceae). Phytoneuron 2010-39: 1–13.
Nesom, G.L. 2010. Notes on Fraxinus cuspidata and F. gooddingii (Oleaceae). Phytoneuron 2010-38: 1–14.
Nesom, G.L. 2010. Taxonomic status of Fraxinus coriacea (Oleaceae). Phytoneuron 2010-37: 1–9.
Nesom, G.L. 2010. Taxonomic revision of Verbena series Tricesimae (Verbenaceae). Phytoneuron 2010-35: 1–38.
Nesom, G.L. 2010. Notes on Erigeron vicinus (Asteraceae: Astereae), a rare species in Texas. Phytoneuron 2010-36: 1–6.
Nesom, G.L. 2010.
Taxonomic notes on Fraxinus berlandieriana and F. velutina
(Oleaceae). Phytoneuron 2010-34: 1–8.
Nesom, G.L. 2010.
Observations on Fraxinus albicans Buckley (Oleaceae), the correct
botanical name for Fraxinus texensis.
Phytoneuron 2010-33: 1–12.
Nesom,
G.L. 2010. Notes on Fraxinus profunda
(Oleaceae). Phytoneuron 2010-32: 1–6.
Nesom, G.L. 2010.
A new species of Erigeron (Asteraceae: Astereae) from northwestern
Chihuahua, Mexico. Phytoneuron 2010-28: 1–6.
Nesom, G.L.
2010. Validation of series names
in Verbena (Verbenaceae). Phytoneuron 2010-27: 1–2.
Nesom, G.L. 2010. Is Verbena abramsii distinct from V. lasiostachys (Verbenaceae)? Phytoneuron 2010-26: 1–7.
Nesom, G.L.
2010. Taxonomy of the Verbena
californica (Verbenaceae) group.
Phytoneuron 2010-25: 1–3.
Nesom, G.L. 2010. Distribution of Erigeron pumilus and E. concinnus (Asteraceae: Astereae) in Colorado, New Mexico, and Arizona. Phytoneuron 2010-23: 1–3.
Nesom, G.L. and T.R. VanDevender. 2010. Verbena moctezumae (Verbenaceae), a new species from Sonora, Mexico. Phytoneuron 2010-20: 1–4.
Nesom, G.L. 2010. Infrageneric classification of Verbena (Verbenaceae). Phytoneuron 2010-11: 1–15.
Nesom, G.L. 2010. Taxonomic notes on Verbena bonariensis (Verbenaceae) and related species in the USA. Phytoneuron 2010-12: 1–16.
Nesom, G.L. 2010. A new species of Verbena (Verbenaceae) from northeastern Mexico and an overview of the V. officinalis group. Phytoneuron 2010-13: 1–13.
Nesom, G.L. 2010. Taxonomy of Verbena urticifolia (Verbenaceae) and its close relatives. Phytoneuron 2010-14: 1–12.
Nesom, G.L. 2010. Neotypification of Verbena carnea (Verbenaceae). Phytoneuron 2010-15: 1–3.
Nesom, G.L. 2010. Typification of Verbena spuria L. (Verbenaceae). Phytoneuron 2010-16: 1–3.
Nesom, G.L. 2010. Geography
of unifoliolate taxa of Fraxinus (Oleaceae). Phytoneuron
2010–17: 1–6.
Nesom, G.L. 2010. Sectional name for the group including Erigeron radicatus (Asteraceae: Astereae). Phytoneuron 2010-18: 1–2.
Nesom, G.L. 2010. Notes on Leucojum and Narcissus (Amaryllidaceae) naturalized in Texas. Phytoneuron 2010-9: 1–6.
Nesom, G.L. 2010. First report of Euonymus fortunei (Celastraceae) naturalized in Texas. Phytoneuron 2010-1: 1-4.
Nesom, G.L. 2010. Pyracantha species (Rosaceae) naturalized in Texas and the southeastern United States. Phytoneuron 2010-2: 1–6.
Brouillet, L., A.A. Anderberg , G.L. Nesom,
T.K. Lowrey, and L.E. Urbatsch.
2009. Welwitschiella is a member of the African subtribe Grangeinae
(Asteraceae Astereae): a new phylogenetic position based on ndhF and ITS
sequence data. Kew Bull. 64: 645–660.
Nesom, G.L. 2009. Assessment of invasiveness and ecological impact in non-native plants of Texas. J. Bot. Res. Inst. Texas 3: 971–991.
Nesom, G.L. 2009.
Again: taxonomy of yellow-flowered caulescent Oxalis (Oxalidaceae)
in eastern North America. J. Bot. Res.
Inst. Texas 3: 727–738.
Nesom, G.L. 2009. Taxonomic notes on acaulescent Oxalis (Oxalidaceae) in the USA. Phytologia 91: 501–526.
Nesom, G.L. 2009. Notes on Oxalis sect. Corniculatae (Oxalidaceae) in the southwestern United States. Phytologia 91: 527–533.
Nesom, G.L. 2009. Taxonomic overview of Ligustrum
(Oleaceae) naturalized in the United States.
Phytologia 91: 467–482.
Riefner, R.E., Jr. and G.L. Nesom. 2009. Plecostachys
serpyllifolia (Asteraceae) naturalized in California. Phytologia 91: 542–565.
Nesom, G.L. 2009. Taxonomy of Forestiera pubescens and Forestiera
neomexicana (Oleaceae). Lundellia 12:
8–14.
Nesom, G.L. 2009. Diapensiaceae (Diapensia, Galax, Pyxidanthera, Shortia). In: Flora of North America Editorial Committee (eds.). Flora of North America North of Mexico. Vol. 8. Oxford University Press, New York and Oxford. [6 species in 4 genera]
Nesom, G.L. 2009. Solidago
dispersa (Asteraceae: Astereae)
replaces Solidago ludoviciana
as the correct name. Phytologia 91: 251–255.
Nesom, G.L. and J.O. Sawyer. 2009.
Frangula
betulifolia and F.
obovata (Rhamnaceae) are distinct species.
Phytologia 91: 300–307.
Nesom, G.L. 2009. Notes on non-native Asteraceae in Texas. Phytologia 91: 325–332.
Nesom, G.L. 2009. Thymophylla tenuiloba and T. wrightii (Asteraceae: Tageteae)
are separate species. Phytologia 91: 333–339.
Nesom, G.L. and A.L. Weakley. 2009. Learning about other species: an updated component of a liberal arts education. J. Bot. Res. Inst. Texas 3: 1–2.
Nesom, G.L. and
J.L. Zarucchi. 2009. A new
combination in North American Tephrosia (Fabaceae). J. Bot. Res. Inst. Texas 3: 157–158.
Nesom, G.L. 2009. Taxonomic overview of Eurybia sect. Herrickia (Asteraceae: Astereae). J. Bot. Res. Inst. Texas 3: 161–167.
Patterson, T.F.
and G.L. Nesom. 2009. Cryptostegia
grandiflora (Asclepiadaceae), a new non-native weed for
Texas. J. Bot. Res. Inst. Texas 3:
461–463.
Nesom, G.L. 2009. Point of view: Authors’ initials in scientific names with multiple authorities. Phytologia 91: 62–63.
Nesom, G.L. 2009. Notes on the taxonomy of Maytenus phyllanthoides
(Celastraceae). Phytologia 91: 64–68.
Andrus, N., A. Tye, G. Nesom, D. Bogler, C. Lewis, R. Noyes, P. Jaramillo, and J. Francisco-Ortega. 2009. Phylogenetics of Darwiniothamnus (Asteraceae: Astereae) – Molecular evidence for multiple origins for the endemic flora of the Galápagos Islands. J. Biogeogr. 36: 1055–1069.
Reveal, J.L., K.L. Chambers, and G.L. Nesom. 2009.
(1880) Proposal to reject the name Aster
bracteolatus Nutt. (Asteraceae). Taxon 58: 305–306.
Nesom,
G.L. and K.N. Gandhi. 2009.
(1884–1885) Typification of Photinia and Heteromeles
(Rosaceae): Proposals to conserve both names.
Taxon 58: 310–311.
Nesom, G.L.
2009. Neueste Namensanderungen
bei Asteraceae [Recent name changes in the Asteraceae].
GartenPraxis 01-2009: 56–59.
Nesom, G.L. 2009. Texas Plants: Non-native plants of Texas; Native species new to science for the state. <http: //guyNesom.com/Texasplantsweb.htm>
Nesom, G.L. 2008. Photinia serrulatifolia (Rosaceae)
naturalized in Texas. Phytologia 90: 375–377.
Nesom, G.L. and
R.J. O’Kennon. 2008. Major plant communities of Lake Meredith National
Recreation Area and Alibates Flint Quarries National
Monument. Phytologia 90: 391–405.
Nesom, G.L. 2008. Classification of subtribe Conyzinae (Asteraceae: Astereae). Lundellia 11: 8–38.
Schneider, A., P. Lyon, and G.L. Nesom. 2008. Gutierrezia elegans sp. nov. (Asteraceae: Astereae), a shale barren endemic of southwestern Colorado. J. Bot. Res. Inst. Texas 2: 771–774.
Jones, R.L., and T. Witsell, and G.L. Nesom. 2008. Distribution of Symphyotrichum sericeum and S. pratense (Asteraceae: Astereae). J. Bot. Res. Inst. Texas. 2: 731–739.
Nesom, G.L. 2008. Ranunculus ficaria (Ranunculaceae) naturalized in Texas. J. Bot. Res. Inst. Texas 2: 741–742.
Nesom, G.L. 2008. Taxonomic
review of Solidago petiolaris and S. wrightii (Asteraceae: Astereae). Phytologia 90: 21–35.
Nesom, G.L. 2008. Conservation easements: An alternative. Iridos, Vol. 19, no. 1. Botanical Research Institute of Texas, Fort Worth.
Nesom, G.L. 2007. Taxonomic overview of the Heterotheca fulcrata complex (Asteraceae: Astereae). J. Bot. Res. Inst. Texas 1: 21–30.
Nesom, G.L. 2007. Notes on the disarticulation of Xylothamia (Asteraceae: Astereae). J. Bot. Res. Inst. Texas 1: 145–148.
Nesom, G.L. 2007. Distribution of Gamochaeta (Asteraceae: Gnaphalieae) in Texas, Oklahoma, Arkansas, and Louisiana. J. Bot. Res. Inst. Texas 1: 1125–1130.
Nesom, G.L. 2007. A new gypsophilous species of Erigeron (Asteraceae: Astereae) from northeastern Mexico. J. Bot. Res. Inst. Texas 1: 891–894.
Nesom, G.L. and C.A. Morse. 2007. Variation in Petradoria (Asteraceae: Astereae). J. Bot. Res. Inst. Texas 1: 351–356.
Nesom, G.L. and B.L. Turner. 2007.
Taxonomic review of the Xanthisma
spinulosum complex (Asteraceae: Astereae).
Phytologia 89: 371–389.
Nesom, G.L. and T. VanDevender. 2007. A new species of Erigeron (Asteraceae: Astereae) from the Río Mayo region of Mexico. Phytologia 89: 219–222.
Lipscomb, B.L. and G.L. Nesom. 2007. Galium parisiense (Rubiaceae) new for
Texas, and notes on its taxonomy. J.
Bot. Res. Inst. Texas 1: 1237–1300.
Nesom, G.L. 2006. Taxonomic review of Symphyotrichum patens (Asteraceae: Astereae). Sida 22: 1075–1080.
Nesom, G.L. 2006. Taxonomic overview of the Heterotheca villosa complex (Asteraceae: Astereae). Sida 22: 376–380.
Nesom, G.L. 2006. Pluchea, Pterocaulon, Sachsia (Plucheeae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 19. [3 genera, 12 species]
Nesom, G.L. 2006. Chrysogonum (Heliantheae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 21. [1 genus, 1 species, 3 varieties]
Nesom, G.L. 2006. Chaptalia, Leibnitzia (Mutisieae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 19. [2 genera, 4 species]
Nesom, G.L. 2006. Anaphalis, Euchiton, Facelis, Gamochaeta, Gnaphalium, Omalotheca, Pseudognaphalium, Xerochrysum (Gnaphalieae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 19. [9 genera, 46 species]
Nesom, G.L. 2006. Ageratina, Ageratum, Asanthus, Brickelliastrum, Carphephorus, Chromolaena, Conoclinium, Fleischmannia, Hartwrightia, Koanophyllon, Liatris, Malperia, Pleurocoronis, Shinnersia, Stevia, Tamaulipa, Trichocoronis (Eupatorieae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 21. [18 genera, 89 species]
Nesom, G.L. 2006. Acamptopappus, Amphiachyris, Amphipappus, Aphanostephus, Astranthium, Bigelowia, Chaetopappa, Chloracantha, Chrysoma, Columbiadoria, Croptilon, Dichaetophora, Eastwoodia, Egletes, Erigeron, Gutierrezia, Gymnosperma, Hazardia, Ionactis, Isocoma, Monoptilon, Oonopsis, Oreochrysum, Oreostemma, Pentachaeta, Rayjacksonia, Thurovia, Xanthocephalum, Xylorhiza (Astereae). In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 12+ vols. Oxford University Press, New York and Oxford. Vol. 20. [29 genera, 268 species]
Nesom, G.L. and H. Robinson. 2006. Astereae, pp. 316–376. In Kadereit, J.W. & C. Jeffrey (eds.), Families and Genera of Vascular Plants, Vol. 8. Flowering Plants - Eudicots - Asterales, 740 pp, 131 illus. Part of series by K. Kubitzki (ed.), Kubitzki's Authoritative Encyclopedia of Vascular Plants. Springer-Verlag.
Nesom, G.L. and B.L. Turner. 2006. New distribution records for Eupatorieae (Asteraceae) in the United States. Sida 22: 1249–1253.
Costea, M., G.L. Nesom, and S. Stefanovic. 2006. Taxonomy of the Cuscuta pentagona complex (subsect. Arvenses: Convolvulaceae) in North America. Sida 22: 151–175.
Costea, M., G.L. Nesom, and S. Stefanovic. 2006. Taxonomy of the Cuscuta salina-californica complex (Convolvulaceae). Sida 22: 197–207.
Costea, M., G.L. Nesom, and S. Stefanovic. 2006. Taxonomy of the Cuscuta indecora complex (Convolvulaceae). Sida 22: 209–225.
Costea, M., G.L. Nesom, and S. Stefanovic. 2006. Taxonomy of Cuscuta gronovii and C. umbrosa (Convolvulaceae). Sida 22: 177–195.
Costea, M., G.L. Nesom, and F. Tardif. 2005. Taxonomic status of Cuscuta nevadensis and Cuscuta veatchii (Convolvulaceae). Brittonia 57(3): 264–272.
Nesom, G.L. 2005. Taxonomy of the Symphyotrichum (Aster) subulatum group and Symphyotrichum (Aster) tenuifolium (Asteraceae: Astereae). Sida 21: 2125–2140.
Nesom, G.L. 2005. Taxonomic review of Astranthium integrifolium (Asteraceae: Astereae). Sida 21: 2015–2021.
Nesom, G.L. 2005. Infrageneric classification of Liatris (Asteraceae: Eupatorieae). Sida 21: 1305–1321.
Nesom, G.L. 2005. Broadened concept of Liatris helleri (Asteraceae: Eupatorieae). Sida 21: 1323–1333.
Nesom, G.L. and B.L. Lipscomb. 2005. ICBN clarification needed: Use of ranks. Sida 21: 2185–2191.
Nesom, G.L. and J.F. Pruski. 2005. Proposal (278) to conserve the name Gnaphalium purpureum L. (Compositae: Gnaphalieae) with a conserved type. Taxon 54: 1103–1104.
Beck, J.B., G.L. Nesom, P.J. Calie, G.I. Baird, R.L. Small, and E.E. Schilling. 2004. Is subtribe Solidagininae (Asteraceae) monophyletic? Taxon 53: 691–698.
Ballard, H.E., Jr., D.S. Feller, and G.L. Nesom. 2004. Cliff Cudweed at specific rank in Pseudognaphalium (Asteraceae: Gnaphalieae). Sida 21: 777–780.
Kaufman, G.E., G.L. Nesom, A.S. Weakley, T.E. Govus, and L.M. Cotterman. 2004. A new species of Symphyotrichum (Asteraceae: Astereae) from a serpentine barren in western North Carolina. Sida 21: 827–840.
Nesom, G.L. 2004. Taxonomic reevaluations in North American Erigeron (Asteraceae: Astereae). Sida 21: 19–40.
Nesom, G.L. 2004. Response to “The Gerbera complex (Asteraceae, Mutisieae): to split or not to split” by Liliana Katinas. Sida 21: 941–942.
Nesom, G.L. 2004. Pseudognaphalium canescens (Asteraceae: Gnaphalieae) and putative relatives in western North America. Sida 21: 781–790.
Nesom, G.L. 2004. Notes on typification in Pluchea (Asteraceae: Plucheeae). Sida 21: 59–64.
Nesom, G.L. 2004. Notes on the distribution of Pseudognaphalium luteoalbum (Asteraceae: Gnaphalieae). Sida 21: 463–464.
Nesom, G.L. 2004. New species of Gamochaeta (Asteraceae: Gnaphalieae) from the eastern United States and comments on similar species. Sida 21: 717–742.
Nesom, G.L. 2004. New records of Erigeron (Asteraceae) for Nevada. Sida 21: 473–474.
Nesom, G.L. 2004. New distribution records for Gamochaeta (Asteraceae: Gnaphalieae) in the United States. Sida 21: 1175–1186.
Nesom, G.L. 2004. Generic placement of Chaptalia hintonii (Asteraceae: Mutisieae). Sida 21: 929–934.
Nesom, G.L. 2004. Erigeron peregrinus and Erigeron glacialis (Asteraceae: Astereae). Sida 21: 665–672.
Nesom, G.L. 2004. Asteraceae from wool mill sites in South Carolina, including new records for North America. Sida 21: 1215–1224.
Nesom, G.L. and D.F. Murray. 2004. Notes on North American arctic and boreal species of Erigeron (Asteraceae: Astereae). Sida 21: 41–58.
Nesom, G.L. and T.W. Nelson. 2004. A new species of Erigeron (Asteraceae: Astereae) from northwestern California. Sida 21: 673–678.
Nesom, G.L. and J.M. Stucky. 2004. Taxonomy of the Liatris pilosa (graminifolia) group (Asteraceae: Eupatorieae). Sida 21: 815–826.
Weakley A.S. and G.L. Nesom. 2004. A new species of Ptilimnium (Apiaceae) from the Atlantic coast. Sida 21: 743–752.
Pruski, J. and G.L. Nesom. 2004. Gamochaeta coarctata, the correct name for Gamochaeta spicata (Asteraceae: Gnaphalieae). Sida 21: 711–716.
Rolfsmeier, S.B. and G.L Nesom. 2004. New records for Pseudognaphalium (Asteraceae: Gnaphalieae) in California and Nebraska. Sida 21: 1205–1208.
Cabrera, L. and G.L. Nesom. 2003. A new species of Chaptalia (Asteraceae: Mutisieae) from Mexico and rediscovery of C. mexicana. Sida 20: 1363–1370.
Giuliano, D.A. and G.L. Nesom. 2003. A new section of Baccharis (Asteraceae, Astereae) and notes on allied taxa. Sida 20: 1481–1484.
Iltis, H.H., G.L. Nesom, and J.M. Egger. 2003. Castilleja albobarbata sp. nov. (Orobanchaceae) from Sierras Manantlán and Cacoma, Jalisco, Mexico. Sida 20: 1343–1350.
Kral, R. and G.L. Nesom. 2003. Two new species of Liatris ser. Graminifoliae (Asteraceae: Eupatorieae) from the southeastern United States. Sida 20: 1573–1584.
Nesom, G.L. and H. Robinson. 2003. New combination in Astereae (Asteraceae). Sida 20: 1649.
Nesom, G.L. 2003. New combinations in Xanthisma (Asteraceae: Astereae). Sida 20: 1585–1588.
Turner, B.L. and G.L. Nesom. 2003. A new species of Arida (Machaeranthera sect. Arida – Asteraceae: Astereae) from trans-Pecos, Texas. Sida 20: 1417–1420.
Hind, D.J.N. and G.L. Nesom. 2002. A new combination in Leptostelma D. Don (Compositae: Astereae). Kew Bull. 57: 478.
Nesom, G.L. 2002. New records in Asteraceae from Alabama and Arkansas. Sida 20: 403–404.
Nesom, G.L. 2002. New combination in Xylorhiza (Asteraceae: Astereae). Sida 20: 145–148.
Nesom, G.L. 2002. New combination in Salix (Salicaceae). Sida 20: 523–524.
Nesom, G.L. 2002. Lectotypification of Pseudognaphalium biolettii (Gnaphalieae: Asteraceae). Sida 20: 149–150.
Nesom, G.L. 2002. Euchiton (Asteraceae: Gnaphalieae) in North America and Hawaii. Sida 20: 515–521.
Nesom, G.L. 2002. A new species of Eriogonum (Polygonaceae) from south Texas. Sida 20: 31–38.
Nesom, G.L. and R.J. O’Kennon. 2002. New vascular plant records for Texas. Sida 20: 435–436.
O’Kennon, R.J. and G.L. Nesom. 2002. A new variety of Ipomoea costellata (Convolvulaceae) from the Edwards Plateau region of Texas. Sida 20: 39–46.
Nesom, G.L. 2001. Taxonomic review of Chrysogonum (Asteraceae: Heliantheae). Sida 19: 811–821.
Nesom, G.L. 2001. Taxonomic notes on Keysseria and Pytinicarpa (Asteraceae: Astereae, Lageniferinae). Sida 19: 513–518.
Nesom, G.L. 2001. Pseudognaphalium austrotexanum (Asteraceae: Gnaphalieae), a new species from southeastern Texas and adjacent Mexico. Sida 19: 507–511.
Nesom, G.L. 2001. Notes on variation in Pseudognaphalium obtusifolium (Asteraceae: Gnaphalieae). Sida 19: 615–619.
Nesom, G.L. 2001. New records in Pseudognaphalium (Gnaphalieae: Asteraceae) for the United States. Sida 19: 1185–1190.
Nesom, G.L. 2001. New combinations in Chionolaena (Asteraceae: Gnaphalieae). Sida 19: 849–852.
Nesom, G.L. 2001. Laennecia turnerorum (Asteraceae: Astereae), a new species from trans-Pecos, Texas. Sida 19: 789–793.
Nesom, G.L. 2001. Gnaphalium exilifolium (Asteraceae: Gnaphalieae) in Colorado and South Dakota. Sida 19: 639–641.
Nesom, G.L. 2001. Erigeron (21 species); Chloracantha (1 species). In B.G. Baldwin et al. (eds.), The Jepson Desert Manual: Vascular plants of southeastern California. Univ. of California Press, Berkeley.
Nesom, G.L. 2001. An anomalous population of Aster (Asteraceae: Astereae) sensu lato in Michigan. Sida 19: 625–632.
Nesom, G.L. and R.J. O’Kennon. 2001. Two new species of Liatris series Punctatae (Asteraceae: Eupatorieae) centered in north-central Texas. Sida 19: 767–787.
Nesom, G.L., H. Robinson, and A. Granda P. 2001. A new species of Chiliotrichiopsis (Asteraceae: Astereae) from Peru. Brittonia 53: 430–434.
Nesom, G.L. 2000. Which non-native plants are included in floristic accounts? Sida 19: 189–193.
Nesom, G.L. 2000. Noteworthy collections from herbarium NCU [Apiaceae, Asteraceae, Geraniaceae, Rhamnaceae]. Castanea 65: 80–83.
Nesom, G.L. 2000. Noteworthy collection [Oldenlandia corymbosa in North Carolina]. Castanea 65: 170.
Nesom, G.L. 2000. New subtribes for North American Astereae (Asteraceae). Sida 19: 263–268.
Nesom, G.L. 2000. Generic conspectus of the tribe Astereae (Asteraceae) in North America, Central America, the Antilles, and Hawaii. Sida, Bot. Miscellany 20: i-viii, 1–100.
Nesom, G.L. 2000. Gamochaeta simplicicaulis (Asteraceae: Gnaphalieae) in Georgia. Sida 19: 413.
Nesom, G.L. 2000. Callery pear (Pyrus calleryana Decne. – Rosaceae) naturalized in North Carolina. Rhodora 102: 361–364 .
Nesom, G.L. 2000. A new combination in Archibaccharis (Asteraceae: Astereae). Sida 19: 85–86.
Nesom, G.L. and J.T. Kartesz. 2000. Observations on the Ludwigia uruguayensis complex (Onagraceae) in the United States. Castanea 65: 123–125.
Nesom, G.L. and R. McVaugh. 2000. The identity of Grindelia angustifolia DC. ex Dunal (Asteraceae: Astereae). Novon 10: 67–70.
Nesom, G.L. and R.D. Noyes. 2000. Batopilasia (Asteraceae: Astereae), a new genus from Chihuahua, Mexico. Sida 19: 79–84.
Turner, B.L. and G.L. Nesom. 2000. Use of variety and subspecies and new varietal combinations for Styrax platanifolius (Styracaceae). Sida 19: 257–262.
Nesom, G.L. 1999. Review of early nomenclature in Euthamia (Asteraceae: Astereae). Sida 18(4): 1009–1018.
Nesom, G.L. 1999. Gamochaeta simplicicaulis (Asteraceae: Gnaphalieae) in four southeastern states and new for North America. Sida 18: 1259–1264.
Nesom, G.L. and R.D. Noyes. 1999. Notes on sectional delimitations in Erigeron (Asteraceae: Astereae). Sida 18: 1161–1165.
Nesom, G.L. 1998. Two newly recognized species of Baccharis (Asteraceae: Astereae) from Mexico. Phytologia 84: 43–49.
Nesom, G.L. 1998. Two new species of Archibaccharis (Asteraceae: Astereae) from Mexico. Phytologia 84: 50–52.
Nesom, G.L. 1998. Trees of Huntsville and Walker County Texas & Big Tree Register. Sam Houston Press, Sam Houston State University, Huntsville, Texas.
Nesom, G.L. 1998. A second species of Oritrophium (Asteraceae: Astereae) from Mexico. Sida 18: 523–526.
Nesom, G.L. 1998 [2000]. Two new species of Erigeron (Asteraceae: Astereae) from Mexico. Phytologia 85: 288–291.
Nesom, G.L. 1998 [2000]. Full constitution of the Australian genus Pappochroma (Asteraceae: Astereae). Phytologia 85: 276–279.
Nesom, G.L. and L.E. Brown. 1998. An annotated checklist of the vascular plants of Walker, Montgomery, and San Jacinto counties, Texas. Phytologia 84: 107–153.
Nesom, G.L. and B.L. Turner. 1998. Taxonomy of the Berlandiera pumila complex (Asteraceae: Heliantheae). Sida 18: 493–502.
Nesom, G.L. 1997. Vanclevea (Asteraceae: Astereae): n=9 confirmed. Phytologia 82: 130–133.
Nesom, G.L. 1997. The status of Aster scabricaulis (Asteraceae: Astereae), an endemic of the Gulf coastal plain. Phytologia 82: 300–315.
Nesom, G.L. 1997. Taxonomic adjustments in North American Aster sensu latissimo (Asteraceae: Astereae). Phytologia 82: 281–288.
Nesom, G.L. 1997. Synopsis of Stephanodoria (Asteraceae: Astereae). Phytologia 82: 107–113.
Nesom, G.L. 1997. Nomenclatural note on Ericameria palmeri var. pachylepis (Asteraceae: Astereae). Phytologia 82: 103–104.
Nesom, G.L. 1997. A new combination in Machaeranthera carnosa (Asteraceae: Astereae). Phytologia 82: 105–106.
Nesom, G.L. 1997. Review: "A revision of Heterotheca sect. Phyllotheca (Nutt.) Harms (Compositae: Astereae)" by J.C. Semple. Phytologia 83: 7–21.
Nesom, G.L., B.R. MacRoberts, and M.H. MacRoberts. 1997. A new plant community type in southeast Texas related to baygalls. Phytologia 83: 371–383.
Strother, J.L. and G.L. Nesom. 1997. Conventions for reporting plant chromosome numbers. Sida 17: 829–831.
DeJong, D.C.D. and G.L. Nesom. 1996. Chromosome counts in Mexican Erigeron. Madrono 43: 384–392.
Spooner, D.M., D.C.D. DeJong, B.-y. Sun, T.F. Stuessy, K.M. Gengler, G.L. Nesom, and P.E. Berry. 1996. Chromosome counts of Compositae from Ecuador and Venezuela. Ann. Missouri Bot. Gard. 82: 596–602.
Nesom, G.L. 1995. Two new species of Castilleja (Scrophulariaceae) from southern Oaxaca, Mexico. Phytologia 78: 131–133.
Nesom, G.L. 1995. Revision of the North and Central American species of Chaptalia (Mutisieae: Compositae). Phytologia 78: 153–188.
Nesom, G.L. 1995. Key to the American genera of Asterinae (Asteraceae). Phytologia 79: 281–285.
Nesom, G.L. and G.I. Baird. 1995. Comments on "The Ericameria – Chrysothamnus connection." Phytologia 78: 61–65.
Nesom, G.L. and B. Hevron. 1995. Erigeron bistiensis (Asteraceae: Astereae), a new species from northwestern New Mexico. Madrono 42: 12–18.
Nesom, G.L. and M.H. Mayfield. 1995. A new species of Dirca (Thymeleaceae) from northeastern Mexico. Sida 16: 459–467.
Nesom, G.L. and B.L. Turner. 1995. Systematics of the Sedum parvum group (Crassulaceae) in northeastern Mexico. Phytologia 79: 257–268.
Nesom, G.L. 1994. Two new species of Sisyrinchium subg. Echthronema (Iridaceae) from Nuevo Leon, Mexico. Phytologia 76: 468–472.
Nesom, G.L. 1994. Taxonomic overview of Aster sensu lato (Asteraceae: Astereae), emphasizing the New World species. Phytologia 77: 141–297.
Nesom, G.L. 1994. Taxonomic dispersal of Australian Erigeron (Asteraceae: Astereae). Phytologia 76: 143–159.
Nesom, G.L. 1994. Subtribal classification of the Astereae (Asteraceae). Phytologia 76: 193–274.
Nesom, G.L. 1994. Separation of Neja (Asteraceae: Astereae) from Hysterionica. Phytologia 76: 168–175.
Nesom, G.L. 1994. Review: Reed Rollins. 1993. "The Cruciferae of Continental North America." ASPT Newsletter 8: 28–29.
Nesom, G.L. 1994. Repartition of Mairia (Asteraceae: Astereae). Phytologia 76: 85–95.
Nesom, G.L. 1994. Pytinicarpa (Asteraceae: Astereae), a new genus from New Caledonia. Phytologia 76: 136–142.
Nesom, G.L. 1994. Peripleura (Asteraceae: Astereae): a new, Australian genus segregated from Vittadinia. Phytologia 76: 125–135.
Nesom, G.L. 1994. Pappochroma Rafin. is the correct generic name for Erigeron pappochroma Labill. Phytologia 76: 426.
Nesom, G.L. 1994. Pacifigeron (Asteraceae: Astereae), a new genus from the Polynesian island of Rapa. Phytologia 76: 160–167.
Nesom, G.L. 1994. Inulopsis synopsis (Asteraceae: Astereae). Phytologia 76: 115–124.
Nesom, G.L. 1994. Hybridization in the Astereae (Asteraceae). Phytologia 77: 298–307.
Nesom, G.L. 1994. Erigeron pattersonii (Asteraceae: Astereae), a new species from Nuevo León, Mexico. Phytologia 76: 96–100.
Nesom, G.L. 1994. Comments on Microgynella, Sommerfeltia, and Asteropsis (Asteraceae: Astereae). Phytologia 76: 101–105.
Nesom, G.L. 1994. Comments on Gnaphaliothamnus (Asteraceae: Inuleae). Phytologia 76: 185–191.
Nesom, G.L. 1994. Apopyros (Asteraceae: Astereae), a new genus from southern Brazil, Argentina, and Paraguay. Phytologia 76: 176–184.
Nesom, G.L. 1994. A new species of Lippia (Verbenaceae) from south-central Mexico, with comments on related and peripheral species. Phytologia 77: 309–317.
Nesom, G.L. 1994. A new species of Castilleja (Scrophulariaceae) from Chihuahua, Mexico. Phytologia 76: 406–409.
Nesom, G.L. 1994. A new species of Castilleja (Scrophulariaceae) related to C. aspera from southeastern Durango, Mexico. Phytologia 76: 465–467.
Nesom, G.L. and D. Zanowiak. 1994. Taxonomic overview of Podocoma (Astereae: Asteraceae), with the incorporation of two species from Conyza. Phytologia 76: 106–114.
Nesom, G.L. 1993. Three species of Aster (Asteraceae: Astereae) disjunct in northern Coahuila, Mexico. Phytologia 74: 296–304.
Nesom, G.L. 1993. The genus Oreostemma E. Greene (Asteraceae: Astereae). Phytologia 74: 305–316.
Nesom, G.L. 1993. Taxonomy of Sericocarpus (Asteraceae: Astereae). Phytologia 75: 45–54.
Nesom, G.L. 1993. Taxonomy of Doellingeria (Asteraceae: Astereae). Phytologia 75: 452–462.
Nesom, G.L. 1993. Taxonomic status of Nardophyllum scoparium (Asteraceae: Astereae) with observations on the definition of Nardophyllum. Phytologia 75: 358–365.
Nesom, G.L. 1993. Taxonomic infrastructure of Solidago and Oligoneuron (Asteraceae: Astereae) and comments on their phylogenetic position. Phytologia 75: 1–44.
Nesom, G.L. 1993. Synopsis of Parastrephia (Asteraceae: Astereae). Phytologia 75: 347–357.
Nesom, G.L. 1993. Sageretia mexicana (Rhamnaceae), a new species from southwestern Mexico. Phytologia 75: 369–376.
Nesom, G.L. 1993. Ranunuculus (Ranunuculaceae) in Nuevo León, Mexico, with comments on the R. petiolaris group. Phytologia 75: 391–398.
Nesom, G.L. 1993. Mildella intramarginalis var. serratifolia (Adiantaceae) elevated to species rank. Phytologia 75: 382–384.
Nesom, G.L. 1993. Madagaster (Asteraceae: Astereae), a new genus of subtribe Hinterhuberinae. Phytologia 75: 94–99.
Nesom, G.L. 1993. Leucophyllum alejandrae (Scrophulariaceae), a new gypsophilic species from Nuevo Leon, Mexico. Phytologia 74: 293–295.
Nesom, G.L. 1993. Floscaldasia (Asteraceae: Astereae): first record from Ecuador and comments on its classification. Phytologia 75: 366–368.
Nesom, G.L. 1993. Erigeron mayoensis (Asteraceae: Astereae), a new species from northwestern Mexico. Phytologia 75: 218–220.
Nesom, G.L. 1993. Erigeron jenkinsii (Asteraceae: Astereae), a new species from the Rio Mayo region of Sonora, Mexico. Phytologia 75: 118–120.
Nesom, G.L. 1993. Erigeron (50 species, 71 taxa); Chloracantha (1 species); Trimorpha (2 species). In Jepson's Manual of the Flora of California. J. Hickman (ed.). Univ. California Press, Berkeley.
Nesom, G.L. 1993. Comments on the definition of the genus Diplopappus Cass. (Asteraceae: Astereae). Phytologia 75: 113–116.
Nesom, G.L. 1993. Aztecaster (Asteraceae: Astereae), a new ditypic genus of dioecious shrubs from Mexico with redefinitions of the subtribes Hinterhuberinae and Baccharidinae. Phytologia 75: 55–73.
Nesom, G.L. 1993. A new species of Desmodium (Fabaceae) from northeastern Mexico, with comments on the genus in Nuevo León. Phytologia 75: 385–390.
Nesom, G.L. 1993. A new species and new variety of Hypoxis (Hypoxidaceae) from northeastern Mexico. Phytologia 75: 377–381.
Nesom, G.L. 1993. A Cuban endemic: Hysterionica marginata (Asteraceae: Astereae) rather than Aster grisebachii. Phytologia 75: 163–165.
Nesom, G.L. and G.I. Baird. 1993. Completion of Ericameria (Asteraceae: Astereae), diminution of Chrysothamnus. Phytologia 75: 74–93.
Nesom, G.L., Y. Suh, and B.B. Simpson. 1993. Prionopsis (Asteraceae: Astereae) united with Grindelia. Phytologia 75: 341–346.
Boufford, D.E. and G.L. Nesom. 1993. Comments on selected types of Mexican Castilleja (Scrophulariaceae). Harvard Pap. Bot. 4: 57–58.
Turner, B.L. and G.L. Nesom. 1993. Biogeography, diversity, and endangered or threatened status of Mexican Asteraceae. Pp. 559–577, in T. P. Ramamoorthy, R. Bye, A. Lot, and J. Fa (eds.), Biological Diversity of Mexico: Origins and Distribution. Oxford Press, New York.
Nesom, G.L. 1992. Variation in Erigeron chiangii (Asteraceae: Astereae), with a new variety. Phytologia 73: 119–123.
Nesom, G.L. 1992. Taxonomy of the Castilleja tenuiflora group (Scrophulariaceae) in Mexico, with an overview of sect. Castilleja. Phytologia 73: 389–415.
Nesom, G.L. 1992. Taxonomic notes on Erigeron (Asteraceae: Astereae) of California, Nevada, and Arizona. Phytologia 73: 186–202.
Nesom, G.L. 1992. Species rank for the varieties of Grindelia microcephala (Asteraceae: Astereae). Phytologia 73: 326–329.
Nesom, G.L. 1992. Revision of Erigeron sect. Linearifolii (Asteraceae: Astereae). Phytologia 72: 157–208.
Nesom, G.L. 1992. Oritrophium orizabense (Asteraceae: Astereae), a new species and the first report of the genus from North and Central America. Phytologia 73: 338–344.
Nesom, G.L. 1992. New species and taxonomic evaluations of Mexican Castilleja (Scrophulariaceae). Phytologia 72: 231–252.
Nesom, G.L. 1992. Laennecia spellenbergii (Asteraceae: Astereae), a new species from Durango, Mexico. Phytologia 73: 267–269.
Nesom, G.L. 1992. Grindelia villarrealii (Asteraceae: Astereae), a new species from northeastern Mexico. Phytologia 73: 264–266.
Nesom, G.L. 1992. Glandularia turneri (Verbenaceae) a new species from northeastern Mexico. Phytologia 72: 383–388.
Nesom, G.L. 1992. Erigeron and Trimorpha (Asteraceae: Astereae) in Nevada. Phytologia 73: 203–219.
Nesom, G.L. 1992. Castilleja sect. Euchroma (Scrophulariaceae) in Mexico: new species and comments on other taxa. Phytologia 73: 384–388.
Nesom, G.L. 1992. A second species of Hunnemannia (Papaveraceae) and a synopsis of the genus. Phytologia 73: 330–337.
Nesom, G.L. 1992. A newly recognized species of Mexican Verbena (Verbenaceae). Phytologia 73: 321–325.
Nesom, G.L. 1992. A newly recognized species of Dalea (Fabaceae) from Nuevo Leon, Mexico. Phytologia 73: 425–428.
Nesom, G.L. 1992. A new species of Xylothamia (Asteraceae: Astereae) from the Cuatrocienegas area of Coahuila, Mexico. Phytologia 73: 318–320.
Nesom, G.L. 1992. A new species of Pedicularis (Scrophulariaceae) from western Mexico. Phytologia 72: 105–108.
Nesom, G.L. 1992. A new species of Nama from the Cuatro Cienegas area of Coahuila, Mexico. Phytologia 73: 61–63.
Nesom, G.L. 1992. A new species of Justicia (Acanthaceae) from northeastern Mexico. Phytologia 73: 140–142.
Nesom, G.L. 1992. A new species of Castilleja sect. Euchroma (Scrophulariaceae) from Oaxaca, Mexico. Phytologia 73: 247–250.
Nesom, G.L. 1992. A new species of Castilleja (Scrophulariaceae) from south-central Texas with comments on other Texas taxa. Phytologia 72: 209–230.
Nesom, G.L. 1992. A new species of Castilleja (Scrophulariaceae) from Durango, Mexico. Phytologia 73: 137–139.
Nesom, G.L. 1992. Transfer of Chaetopappa elegans to Ionactis (Asteraceae: Astereae). Phytologia 73: 416–424.
Nesom, G.L. and L. Hernandez. 1992. A new species of Sisyrinchium subg. Sisyrinchium (Iridaceae) from Nuevo Leon, Mexico. Phytologia 73: 429–434.
Nesom, G.L. and T.J. Leary. 1992. A new species of Ionactis (Asteraceae: Astereae) and an overview of the genus. Brittonia 44: 247–252.
Pruski, J.E. and G.L. Nesom. 1992. Glandularia X hybrida (Verbenaceae), a new combination for a common horticultural plant. Brittonia 44: 494–496.
Nesom, G.L. 1991. Transfer of Aster kingii to Tonestus (Asteraceae: Astereae). Phytologia 71: 122–127.
Nesom, G.L. 1991. Union of Bradburia with Chrysopsis (Asteraceae: Astereae), with a phylogenetic hypothesis for Chrysopsis. Phytologia 71: 109–121.
Nesom, G.L. 1991. Two new species of Penstemon subg. Habroanthus (Scrophulariaceae) from Mexico. Phytologia 71: 333–336.
Nesom, G.L. 1991. Two new species of Archibaccharis (Asteraceae: Astereae) from Mexico with a reevaluation of sectional groupings in the genus. Phytologia 71: 152–159.
Nesom, G.L. 1991. Transfer of Heterotheca bartlettii to Osbertia Asteraceae: Astereae). Phytologia 71: 132–135.
Nesom, G.L. 1991. Tomentaurum (Asteraceae: Astereae), a new genus of goldenaster from Chihuahua, Mexico. Phytologia 71: 128–131.
Nesom, G.L. 1991. Taxonomy of Isocoma (Asteraceae: Astereae). Phytologia 70: 69–114.
Nesom, G.L. 1991. Taxonomy of Gentianella (Gentianaceae) in Mexico. Phytologia 70: 1–20.
Nesom, G.L. 1991. Taxonomic adjustments in Mexican Bouchea and Lippia (Verbenaceae). Phytologia 70: 185–187.
Nesom, G.L. 1991. Solidago durangensis (Asteraceae: Astereae), a new species from Mexico. Phytologia 70: 58–59.
Nesom, G.L. 1991. Redefinition of Hesperodoria (Asteraceae: Astereae) and the segregation of Columbiadoria, a new monotypic genus from western North America. Phytologia 71: 244–251.
Nesom, G.L. 1991. Morphological definition of the Gutierrezia group (Asteraceae: Astereae). Phytologia 71: 252–262.
Nesom, G.L. 1991. Correction in nomenclature for Tomentaurum (Asteraceae: Astereae). Phytologia 71: 263.
Nesom, G.L. 1991. A phylogenetic hypothesis for the goldenasters (Asteraceae: Astereae). Phytologia 71: 136–151.
Nesom, G.L. 1991. A new species of Nama (Hydrophyllaceae) from northeastern Mexico. Phytologia 71: 357–359.
Nesom, G.L. 1991. A new species of Leucophyllum (Scrophulariaceae) from Nuevo Leon, Mexico. Phytologia 71: 337–339.
Nesom, G.L. 1991. A new species of Erigeron (Asteraceae: Astereae) from northwestern New Mexico. Phytologia 71: 416–419.
Nesom, G.L. 1991. A new species of Aloysia (Verbenaceae) from Bolivia, South America. Phytologia 70: 145–146.
Mendenhall, J.M. and G.L. Nesom. 1991. A new species of Cheilanthes (Polypodiaceae) from northeastern Mexico. Sida 14: 551–554.
Nesom, G.L. and M. Baker. 1991. First report of Erigeron velutipes (Asteraceae) from the United States. Phytologia 71: 414–415.
Nesom, G.L., Y. Suh, D.R. Morgan, S.D. Sundberg, and B.B. Simpson. 1991. Chloracantha, a new genus of North American Astereae (Asteraceae). Phytologia 70: 371–380.
Nesom, G.L. 1990. Variation in Erigeron socorrensis (Asteraceae: Astereae). Phytologia 69: 416–419.
Nesom, G.L. 1990. Two new species of Mexican Baccharis (Asteraceae: Astereae). Phytologia 69: 32–39.
Nesom, G.L. 1990. Two new species of Gnaphalium (Asteraceae: Inuleae) from the high peaks of northeastern Mexico. Phytologia 68: 413–416.
Nesom, G.L. 1990. Two new species of Erigeron (Asteraceae: Astereae) from Mexico. Phytologia 69: 254–257.
Nesom, G.L. 1990. Two new species of Archibaccharis (Asteraceae: Astereae) from Oaxaca, Mexico. Phytologia 68: 122–124.
Nesom, G.L. 1990. Two new species of Achyrocline (Asteraceae: Inuleae) from Mexico. Phytologia 68: 363–365.
Nesom, G.L. 1990. The taxonomic status of Gamochaeta (Asteraceae: Inuleae) and the species of the United States. Phytologia 68: 186–198.
Nesom, G.L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68: 205–228.
Nesom, G.L. 1990. Taxonomy of the Erigeron pringlei group (Asteraceae: Astereae). Phytologia 69: 227–235.
Nesom, G.L. 1990. Taxonomy of the Erigeron coronarius group of Erigeron sect. Geniculactis (Asteraceae: Astereae). Phytologia 69: 237–253.
Nesom, G.L. 1990. Taxonomy of Solidago petiolaris (Astereae: Asteraceae) and related Mexican species. Phytologia 69: 445–463.
Nesom, G.L. 1990. Taxonomy of Heterotheca sect. Heterotheca (Asteraceae: Astereae) in Mexico, with comments on the taxa of the United States. Phytologia 69: 282–294.
Nesom, G.L. 1990. Taxonomy of Gnaphaliothamnus (Asteraceae: Inuleae). Phytologia 68: 66–381.
Nesom, G.L. 1990. Taxonomy of Erigeron bellidiastrum (Asteraceae: Astereae), with a new variety. Phytologia 69: 163–168.
Nesom, G.L. 1990. Taxonomy of Achyrocline (Asteraceae: Inuleae) in Mexico and Central America. Phytologia 68: 181–185.
Nesom, G.L. 1990. Taxonomic summary of Omalotheca (Asteraceae: Inuleae). Phytologia 68: 241–246.
Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia (Asteraceae: Astereae). Phytologia 68: 303–332.
Nesom, G.L. 1990. Notes on variation in the Machaeranthera pinnatifida complex (Asteraceae) in Mexico with a new combination. Phytologia 69: 108–114.
Nesom, G.L. 1990. Nomenclatural summary of Ericameria (Asteraceae: Astereae) with the inclusion of Haplopappus sects. Asiris and Macronema. Phytologia 68: 144–155.
Nesom, G.L. 1990. Mexerion (Asteraceae: Inuleae), a new genus from Mexico. Phytologia 68: 247–254.
Nesom, G.L. 1990. Laennecia mapimiana (Asteraceae: Astereae), a new species from northwestern Mexico. Phytologia 69: 348–350.
Nesom, G.L. 1990. Infrageneric taxonomy of North and Central American Baccharis (Asteraceae: Astereae). Phytologia 69: 40–46.
Nesom, G.L. 1990. HerbTrans: an integrated package of dBase programs for management of herbarium transactions [Description, documentation, and announcement of availability as Public Domain – privately distributed to 15 large herbaria].
Nesom, G.L. 1990. Further definition of Conyza (Asteraceae: Astereae). Phytologia 68: 229–233.
Nesom, G.L. 1990. Erigeron quiexobrensis (Astereae: Asteraceae), a new species from Oaxaca. Phytologia 69: 351–353.
Nesom, G.L. 1990. An additional species of Gnaphaliothamnus (Asteraceae: Inuleae) and further evidence for the integrity of the genus. Phytologia 69: 1–3.
Nesom, G.L. 1990. A new species of Gentiana (Gentianaceae) from Mexico. Phytologia 69: 115–118.
Nesom, G.L. 1990. A new combination and new species in Gamochaeta (Asteraceae: Inuleae) from Central America. Phytologia 68: 199–201.
Nesom, G.L. and D.E. Boufford. 1990. Lectotypifications of Mexican Astereae (Asteraceae) from the Harvard University Herbaria. Phytologia 69: 382–386.
Nesom, G.L. and J.E. Laferriere. 1990. A new species of Laennecia (Asteraceae: Astereae) from Chihuahua, Mexico. Phytologia 68: 202–204.
Nesom, G.L. and D.R. Morgan. 1990. Reinstatement of Tonestus (Asteraceae: Astereae). Phytologia 68: 174–180.
Nesom, G.L., D.R. Morgan, Y. Suh, and B.B. Simpson. 1990. Xylothamia (Asteraceae: Astereae), a new genus related to Euthamia. Sida 14: 101–116.
Nesom, G.L. and B.L. Turner. 1990. Gentianella canosoi (Gentianaceae), a new species from Durango, Mexico. Sida 14: 227–229.
Nesom, G.L., L.A. Vorobik, and R.L. Hartman. 1990. The identity of Aster blepharophyllus A. Gray (Asteraceae: Astereae). Syst. Bot. 15: 638–642.
Sundberg, S.D. and G.L. Nesom. 1990. A new species of Erigeron (Asteraceae: Astereae) from Chihuahua, Mexico. Phytologia 69: 278–281.
Nesom, G.L. 1989. The taxonomy of the Solidago canadensis (Asteraceae: Astereae) complex in Texas, with a new species from Texas and Mexico. Phytologia 67: 441–450.
Nesom, G.L. 1989. The taxonomy of Solidago velutina (Asteraceae: Astereae) with a new, related species from Mexico. Phytologia 67: 297–303.
Nesom, G.L. 1989. The separation of Trimorpha (Compositae: Astereae) from Erigeron. Phytologia 67: 61–66.
Nesom, G.L. 1989. The erigerons (Compositae: Astereae) of El Parque Nacional de Basaseachic, Chihuahua, Mexico, with a new species. Phytologia 66: 471–475.
Nesom, G.L. 1989. Taxonomy of Erigeron sect. Polyactis (Compositae: Astereae). Phytologia 66: 415–455.
Nesom, G.L. 1989. Solidago simplex (Compositae: Astereae), the correct name for S. glutinosa. Phytologia 67: 155–157.
Nesom, G.L. 1989. Review: "The genera of the Eupatorieae" by R.M. King and H. Robinson. Syst. Bot. 14: 263–266.
Nesom, G.L. 1989. New species, new sections, and a taxonomic overview of American Pluchea (Compositae: Inuleae). Phytologia 67: 158–167.
Nesom, G.L. 1989. New species of Mexican Solidago (Compositae: Astereae). Phytologia 67: 142–147.
Nesom, G.L. 1989. New combinations in Ericameria (Compositae: Astereae). Phytologia 67: 104–106.
Nesom, G.L. 1989. Macromeria alba (Boraginaceae), a new species from Tamaulipas, Mexico. Madrono 36: 28–32.
Nesom, G.L. 1989. Infrageneric taxonomy of New World Erigeron (Compositae: Astereae). Phytologia 67: 67–93.
Nesom, G.L. 1989. Four new species of Erigeron (Compositae: Astereae) from northern Mexico. Phytologia 66: 488–495.
Nesom, G.L. 1989. Comments on the annual species of Xanthocephalum (Compositae: Astereae) with a new combination. Phytologia 66: 482–487.
Nesom, G.L. 1989. Aster intricatus (Asteraceae: Astereae) transferred to Machaeranthera. Phytologia 67: 438–440.
Nesom, G.L. 1989. A new species of Mexican Archibaccharis (Compositae: Astereae). Phytologia 67: 377–378.
Nesom, G.L. 1989. A new species of Erigeron (Compositae: Astereae) from Arizona. Phytologia 67: 304–306.
Nesom, G.L. 1989. A new species of Erigeron (Asteraceae: Astereae) from Tamaulipas, Mexico. Phytologia 67: 457–460.
Nesom, G.L. 1989. A new species of Aster (Asteraceae: Astereae) from Mexico. Phytologia 67: 342–345.
Nesom, G.L. 1989. A new combination in Stenotus (Compositae: Astereae). Phytologia 67: 113–114.
Brunsfeld, S.J. and G.L. Nesom. 1989. Erigeron salmonensis (Asteraceae), a rare new species from Idaho. Brittonia 41: 424–428.
Johnston, M.C., K. Nixon, G.L. Nesom, and M. Martinez. 1989. Listado de plantas vasculares conocidas de la Sierra de Guatemala, Gomez Farias, Tamaulipas, Mexico. BIOTAM 1(2): 21–33. [reprinted in Biotam 10(1): 25-40. 1998.]
Ralston, B., G.L. Nesom, and B.L. Turner. 1989. Chromosome numbers in Mexican Asteraceae with special reference to the tribe Tageteae. Sida 13: 359–368.
Lane, T.M. and G.L. Nesom. 1988. Scutellaria lutilabia (Labiatae), a new gypsophile from Nuevo Leon, Mexico. Madrono 35: 112–116.
Nesom, G.L. 1988. Synopsis of Chaetopappa (Compositae: Astereae) with a new species and the inclusion of Leucelene. Phytologia 64: 448–456.
Nesom, G.L. 1988. Studies in Mexican Archibaccharis (Compositae). Phytologia 65: 122–128.
Nesom, G.L. 1988. Baccharis sect. Baccharidastrum, including two monoecious and one dioecious species. Phytologia 65: 169–173.
Nesom, G.L. 1988. Baccharis monoica, a new species from the Baccharis salicifolia complex of Central America. Phytologia 65: 160–164.
Nesom, G.L. 1988. A synopsis of the American species of Omphalodes Tourn. (Boraginaceae). Sida 13: 25–30.
Nesom, G.L. 1988. A new species of Archibaccharis (Compositae) from Central America. Phytologia 65: 158–159.
Nesom, G.L. 1988. New species of Crassulaceae from northeastern Mexico. Sida 13: 21–24.
Nesom, G.L. and L.A. Vorobik. 1988. Senecio mahindae (Senecioneae: Asteraceae), a new species from Tamaulipas, Mexico. Sida 13: 17–19.
Nesom, G.L. and L.A. Vorobik. 1988. Hedyotis spellenbergii (Rubiaceae), a new species from Chihuahua, Mexico. Syst. Bot. 13: 432–434.
Nesom, G.L. and L.A. Vorobik. 1988. A new species of Glandularia (Verbenaceae) from Tamaulipas, Mexico. Sida 13: 31–33.
O'Kennon, B. and G.L. Nesom. 1988. First report of Cirsium vulgare from Texas. Sida 13: 155–116.
Nesom, G.L. 1987. Erigeron turnerorum, a new species from Mexico and its relatives. Sida 12: 287–292.
Nesom, G.L. and J.C. La Duke. 1985. Biology of Trillium nivale (Liliaceae). Canad. J. Bot. 63: 7–14.
Nesom, G.L. and S. Sundberg. 1985. New combinations in Erigeron (Asteraceae). Sida 11: 249–250.
Lewis, P.O. and G.L. Nesom. 1984. A label-writing program in MBASIC for microcomputers. Herb. News 4(2): 6–7.
Nesom, G.L. 1984. Taxonomy and distribution of Chaptalia dentata and C. albicans (Asteraceae: Mutisieae). Brittonia 36: 396–401.
Nesom, G.L. 1984. A new, widespread species of Chaptalia (Asteraceae: Mutisieae) from Mexico. Rhodora 86: 127–130.
Nesom, G.L. and V.M. Bates. 1984. Re-evaluations of infra-specific taxonomy in Polygonella (Polygonaceae). Brittonia 36: 37–44.
Nesom, G.L. 1983. The evolutionary origin of Blumea viscosa (Asteraceae) and a first report from North America. Sida 10: 30–32.
Nesom, G.L. 1983. Taxonomy of Erigeron concinnus (Asteraceae) and its separation from E. pumilus. Sida 10: 159–166.
Nesom, G.L. 1983. New species of Calochortus (Liliaceae) and Linum (Linaceae) from northern Mexico. Madrono 30: 250–254.
Nesom, G.L. 1983. Galax (Diapensiaceae): geographic variation in chromosome number. Syst. Bot. 8: 1–14.
Nesom, G.L. 1983. Biology and taxonomy of American Leibnitzia (Asteraceae). Brittonia 35: 126–139.
Nesom, G.L. and W.A. Weber. 1983. A new woolly-headed, monocephalous Erigeron (Asteraceae). Madrono 30: 245–249.
Soltis, D.E., B.A. Bohm, and G.L. Nesom. 1983. Flavonoid chemistry of cytotypes in Galax (Diapensiaceae). Syst. Bot. 8: 15–23.
De Jong, D.C.D. and G.L. Nesom. 1982. Erigeron astranthioides (Asteraceae), a new epappose species from western Mexico. Brittonia 34: 285–289.
Nesom, G.L. 1982. Systematics of the Erigeron rusbyi group (Asteraceae) and delimitation of section Peregrinus. Syst. Bot. 7: 457–470.
Nesom, G.L. 1982. Nomenclatural changes and clarifications in Mexican Erigeron (Asteraceae). Sida 9: 223–229.
Nesom, G.L. 1982. A name for well-known Mexican species of Iresine (Amaranthaceae). Sida 9: 327–329.
Nesom, G.L. and T.F. Stuessy. 1982. Nesting of beetles and ants in Clibadium microcephalum S.F. Blake (Compositae: Heliantheae) in Ecuador. Rhodora 84: 117–124.
Nesom, G.L. 1981. Five new species of Mexican Erigeron (Asteraceae). Madrono 28: 136–147.
Nesom, G.L. 1981. Ant dispersal in Wedelia hispida H.B.K. (Compositae: Heliantheae). Southwestern Nat. 26: 5–12.
Nesom, G.L. 1981. A new species and new combination in Mexico Erigeron (Compositae). Sida 9: 29–33.
Nesom, G.L. and V. Roth. 1981. Erigeron scopulinus (Compositae), an endemic from southeastern Arizona. J. Ariz.-Nev. Acad. Sci. 16: 39–42.
Nesom, G.L. 1980. Erigeron tenuis T. & G. (Asteraceae) distantly disjunct in North Carolina. Castanea 45: 71.
Nesom, G.L. 1980. Chaptalia; Conyza; Erigeron. In: Kartesz, J.T. and R. Kartesz, Checklist of the vascular plants of North America. Biota of North America Committee, Univ. of North Carolina Press, Chapel Hill.
Nesom, G.L. 1979. Erigeron geiseri (Compositae) in Oklahoma. Southw. Nat. 24: 386–387.
Nesom, G.L. 1979. A new species of Erigeron (Compositae) from Coahuila. Sida 8: 65–70.
Nesom, G.L. 1978. Notes on the chromosome number of Gaultheria procumbens L. (Ericaceae). Rhodora 80: 594–595.
Nesom, G.L. 1978. Note on the name of Machaeranthera odysseus. Syst. Bot. 3: 434.
Nesom, G.L. 1978. Machaeranthera odyssei (Compositae), a unique new species from Mexico. Syst. Bot. 3: 218–225.
Nesom, G.L. 1978. Erigeron hessii sp. nov. and Erigeron kuschei Eastwood (Compositae), two closely related endemics from the southwestern United States. Brittonia 30: 440–446.
Nesom, G.L. 1978. Chromosome numbers in species of Erigeron and Conyza (Compositae). Sida 7: 375–381.
Nesom, G.L. and M. Treiber. 1977. Beech-mixed hardwoods communities: a topo-edaphic climax on the North Carolina coastal plain. Castanea 42: 119–140.
Nesom, G.L. 1976. A new species of Erigeron (Asteraceae) and its relatives in southwestern Utah. Brittonia 28: 263–272.