| Acc. No. | Image Link | ImageID | Family | Basionym | Taxonomic Type | Type Citation | Current Name | Collector | Coll. No. | Other Notes |
| 8382 | IMGP1411.jpg | IMGP1411.jpg | Acanthaceae | Beloperone fragilis B.L. Robinson | Iso | Proc. Amer. Acad. Arts, 27:183. 1892. | Beloperone fragilis B.L. Robinson | C.G. Pringle | 3933 | |
| 24931 | IMGP0968.jpg | IMGP0968.jpg | Acanthaceae | Dicliptera glandulosa Scheele | Iso (possible) | Rhodora, 43:287. 1941. | Dicliptera brachiata (Pursh) Spreng. var. glandulosa (Scheele) Fernald | Lindheimer | 1062 | |
| 44380 | IMGP0960.jpg | IMGP0960.jpg | Acanthaceae | Dyschoriste pringlei Greenman | Isosyn | Proc. Amer. Acad., 40:32. 1904. | Dyschoriste pringlei Greenman | C.G. Pringle | 11313 | |
| 43074 | IMGP0961.jpg | IMGP0961.jpg | Acanthaceae | Ruellia pringlei Fernald | Iso | Proc. Amer. Acad. Arts, 43:67. 1907. | Ruellia pringlei Fernald | C.G. Pringle | 10071 | |
| 50964 | IMGP2657.jpg | IMGP2657.jpg | Actinidiaceae | Saurauia pseudopringlei Buscal. var. fluviatilis Rose ex Buscal. | Iso (possible) | Malpighia 28:380. 1919. | Saurauia pseudopringlei Buscal. var. fluviatilis Rose ex Buscal. | C.G. Pringle | 10122 | |
| 67405 | IMGP0962.jpg | IMGP0962.jpg | Agavaceae | Yucca linearifolia Clary | Iso | Brittonia, 47:394, fig. 1995. | Yucca linearifolia Clary | K.H. Clary, B.L. Turner, and T. Patterson | 364 | |
| 281 | IMGP0963.jpg | IMGP0963.jpg | Alismataceae | Alisma brevipes Greene | Iso | Pittonia, 4:158. 1900. | Alisma subcordatum Raf. | C.F. Baker | 138 | |
| 9510 | IMGP0964.jpg | IMGP0964.jpg | Amaranthaceae | Amaranthus arenicola I.M. Johnston | Iso | J. Arnold. Arbor., 29:193. 1948. | Amaranthus arenicola I.M. Johnston | A.S. HItchcock | ||
| 17431 | IMGP0974.jpg | IMGP0974.jpg | Anacardiaceae | Schmaltzia leiocarpa Greene | Iso | Leafl. Bot. Observ. Crit., 1:133. 1905. | Rhus trilobata Nutt. var. trilobata | E.O. Wooton | 48 | |
| 17375 | IMGP0972.jpg | IMGP0972.jpg | Anacardiaceae | Schmaltzia nortonii Greene | Isosyn | Leafl. Bot. Observ. Crit., 1:132. 1905. | Rhus aromatica Ait. var. aromatica | J.B. Norton | ||
| 17377 | IMGP0973.jpg | IMGP0973.jpg | Anacardiaceae | Schmaltzia nortonii Greene | Isosyn | Leafl. Bot. Observ. Crit., 1:132. 1905. | Rhus aromatica Ait. var. aromatica | J.B. Norton | 74 | |
| 17494 | IMGP0975.jpg | IMGP0975.jpg | Anacardiaceae | Toxicodendron negundo Greene | Iso | Leafl. Bot. Observ. Crit., 1:117. 1905. | Toxicodendron radicans (L.) Kuntze var. radicans | J.B. Norton | 73 | |
| 17448 | IMGP1409.jpg | IMGP1409.jpg | Anacardiaceae | Toxicodendron punctatum Greene | Iso | Leafl. Bot. Observ. Crit., 1:125. 1905. | Toxicodendron radicans (L.) Kuntze var. radicans | O.B. Metcalfe | 1088 | |
| 20036 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | A. Nelson | 9004 | |||
| 19845 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | C.C. Ellis | 7 | |||
| 19839 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | C.F. Baker | 500 | |||
| 19846 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | C.F. Baker | 499 | |||
| 35221 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia,52:136-141. 2000. | Cymopterus constancei R.L. Hartman | D.G. Craig | ||||
| 56455 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | R.W. Spellenberg and D. Jewell | 9093 | |||
| 72744 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52: 136-141. 2000. | Cymopterus constancei R.L. Hartman | W.D. Shirley | ||||
| 35966 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | Anonymous | ||||
| 35219 | Apiaceae | Cymopterus constancei R.L. Hartman | Para | Brittonia, 52:136-141. 2000. | Cymopterus constancei R.L. Hartman | B.S. Klinger | ||||
| 19877 | IMGP0977.jpg | IMGP0977.jpg | Apiaceae | Eryngium pilularioides Hemsley & Rose | Iso | Contr. U.S. Natl. Herb., 8:333, fig 8. 1905. | Eryngium pilularioides Hemsley & Rose | C.G. Pringle | 8948 | |
| 37962 | IMGP0978.jpg | IMGP0978.jpg | Apiaceae | Prionosciadum townsendii Rose | Iso | Contr. U.S. Natl. Herb., 8:335. 1905. | Prionosciadum townsendii Rose | C.H.T. Townsend and C.M. Barber | 381 | |
| 19998 | IMGP0979.jpg | IMGP0979.jpg | Apiaceae | Pseudocymopterus filicinus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:158. 1913. | Pseudocymopterus filicinus Wooton & Standley | O.B. Metcalfe | 165 | |
| 62112 | IMGP0981.jpg | IMGP0981.jpg | Apocynaceae | Amsonia fugatei McLaughlin | Iso | Southw. Naturalist, 30(4):563, fig. 1985. | Amsonia fugatei McLaughlin | S.P. McLaughlin | 2819 | |
| 20753 | IMGP0982.jpg | IMGP0982.jpg | Apocynaceae | Apocynum angustifolium Wooton | Iso | Contr. U.S. Natl. Herb., 16:159. 1913. | Apocynum angustifolium Wooton Ex. Wooton and Standley | O.B. Metcalfe | 132 | |
| 20788 | IMGP0983.jpg | IMGP0983.jpg | Apocynaceae | Apocynum scopulorum Greene | Isosyn (possible) | Fl. Colorado, p. 269. 1906. | Apocynum scopulorum Greene | C.F. Baker | 527 | |
| 20800 | IMGP0984.jpg | IMGP0984.jpg | Apocynaceae | Apocynum viride Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:159. 1913. | Apocynum viride Wooton & Standley | E.O. Wooton and P.C. Standley | 3451 | |
| 8332 | IMGP2576.jpg | IMGP2576.jpg | Aristolochiaceae | Aristolochia malacophylla Standley | Iso | Proc. Biol. Soc. Wash., 33:65. 1920. | Aristolochia malacophylla Standley | C.G. Pringle | 13424 | |
| 57233 | IMGP0985.jpg | IMGP0985.jpg | Asclepiadaceae | Asclepias sanjuanensis K.D. Heil, J.M. Porter & S.L. Welsh | Iso | Great Basin Naturalist, 49:100, fig 1. 1989. | Asclepias sanjuanensis K.D. Heil, J.M. Porter & S.L. Welsh | K. Heil | 4338 | |
| 27234 | IMGP2148.jpg | IMGP2148.jpg | Asteraceae | Achaetogeron ascendens Greenman | Iso | Proc. Amer. Acad. Arts, 41:254. 1905. | Erigeron janivultus Nesom spp. janivultus | C.G. Pringle | 8851 | |
| 27235 | IMGP0987.jpg | IMGP0987.jpg | Asteraceae | Achaetogeron purpurascens Greenman | Iso | Proc. Amer. Acad. Arts, 39:94. 1903. | Erigeron wislizeni (Gray) Greene var. purpurascens (Greenman) Nesom | C.H.T. Townsend and C.M. Barber | 175 | |
| 27236 | IMGP0988.jpg | IMGP0988.jpg | Asteraceae | Achaetogeron versicolor Greenman | Iso | Proc. Amer. Acad. Arts, 41:255. 1905. | Erigeron versicolor (Greenman) Nesom | C.G. Pringle | 8849 | |
| 8386 | IMGP2635.jpg | IMGP2635.jpg | Asteraceae | Achyrocline deflexa B.L. Rob. & Greenm. | Iso | Amer. J. Sci., 50:153. 1895. | Achyrocline deflexa B.L. Rob. & Greenm. | C.G. Pringle | 6054 | |
| 44614 | IMGP2575.jpg | IMGP2575.jpg | Asteraceae | Ageratum corymbosum Zucc. f. albiflorum B.L. Rob. | Iso | Contr. Gray Herb., 42:476. 1913. | Ageratum corymbosum Zucc. f. albiflorum B.L. Rob. | C.G. Pringle | 9842 | |
| 43114 | IMGP2604.jpg | IMGP2604.jpg | Asteraceae | Ageratum salicifolium subsp. annectens S.F. Blake | Iso | Contr. U.S. Natl. Herb., 22:588. 1924. | Ageratum strictum Hemsl. | C.G. Pringle | 9045 | |
| 27321 | IMGP1412.jpg | IMGP1412.jpg | Asteraceae | Antennaria latisquamea Greene | Iso | Leafl. Bot. Observ. Crit., 1:145. 1905. | Antennaria parvifolia Nutt. | O.B. Metcalfe | 1433 | |
| 27410 | IMGP0991.jpg | IMGP0991.jpg | Asteraceae | Antennaria peramoena Greene | Iso | Leafl. Bot. Observ. Crit., 2:144. 1911. | Antennaria marginata Greene | E.O. Wooton | ||
| 27422 | IMGP0992.jpg | IMGP0992.jpg | Asteraceae | Aphanostephus perennis Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:189. 1913. | Aphanostephus perennis Wooton & Standley | E.O. Wooton | ||
| 56239 | IMGP0993.jpg | IMGP0993.jpg | Asteraceae | Arnicastrum glandulosum Greenman | Isolecto | Proc. Amer. Acad. Arts, 39:115. 1903. | Arnicastrum glandulosum Greenman | C.H.T. Townsend and C.M. Barber | 169 | |
| 27508 | IMGP2623.jpg | IMGP2623.jpg | Asteraceae | Artemisia gracillima Rydberg | Iso | N. Amer. Fl., 34:253. 1916. | Artemisia dracunculus L. | O.B. Metcalfe | 1444 | |
| 27621 | IMGP2552.jpg | IMGP2552.jpg | Asteraceae | Artemisia neomexicana Greene | Iso | N. Amer. Fl., 34:279. 1916. | Artemisia neomexicana Greene | O.B. Metcalfe | 1248 | |
| 27701 | IMGP0994.jpg | IMGP0994.jpg | Asteraceae | Aspilia stenophylla Greenman | Iso | Proc. Amer. Acad. Arts, 39:102. 1903. | Aspilia stenophylla Greenman | C.H.T. Townsend and C.M. Barber | 380 | |
| 40650 | IMGP1000.jpg | IMGP1000.jpg | Asteraceae | Aster boltoniae Greene | Isosyn | Pittonia, 3(17):248. 1897. | Psilactis asteroides A. Gray | M.E. Jones | 4207 | |
| 27731 | IMGP0999.jpg | IMGP0999.jpg | Asteraceae | Aster cordineri A. Nelson | Iso | Bot. Gaz., 40:64. 1905. | Aster cordineri A. Nelson | W.S. Cooper | ||
| 27767 | IMGP1006.jpg | IMGP1006.jpg | Asteraceae | Aster fulcratus Greene | Iso | Pittonia, 4:217. 1900. | Aster fulcratus Greene | C.F. Baker | 638 | |
| 27779 | IMGP0997.jpg | IMGP0997.jpg | Asteraceae | Aster hesperius A. Gray var. wootonii Greene | Iso | Bull. Torrey Bot. Club, 25(3):119. 1898. | Aster hesperius A. Gray var. wootonii Greene | E.O. Wooton | 329 | |
| 27787 | IMGP0996.jpg | IMGP0996.jpg | Asteraceae | Aster hydrophilus Greene Ex Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:187. 1913. | Aster pauciflorus Nuttall | O.B. Metcalfe | 1393 | |
| 27842 | IMGP2511.jpg | IMGP2511.jpg | Asteraceae | Aster neomexicanus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:187. 1913. | Symphyotrichum expansum (Poepp. ex Spring.) Nesom | F.S. Earle and E.S. Earle | 327 | |
| 42902 | IMGP1002.jpg | IMGP1002.jpg | Asteraceae | Barroetea sessilifolia Greenman | Isosyn | Proc. Amer. Acad. Arts, 40:35. 1904. | Barroetea sessilifolia Greenm. | C.G. Pringle | 9865 | |
| 8385 | IMGP2551.jpg | IMGP2551.jpg | Asteraceae | Barroetea subuligera Gray var. latisquama Greenman | Iso | Proc. Amer. Acad. Arts, 40:35. 1904. | Barroetea subuligera Gray var. latisquama Greenman | C.G. Pringle | 8773 | |
| 28129 | IMGP1004.jpg | IMGP1004.jpg | Asteraceae | Bidens cognata Greene | Iso | Leaft. Bot. Observ. Crit., 1:149. 1905. | Bidens tenuisecta A. Gray | O.B. Metcalfe | 1436 | |
| 28121 | IMGP1003.jpg | IMGP1003.jpg | Asteraceae | Bidens leptocephala Sherff | Isosyn | Bot. Gaz., 64:22. 1917. | Bidens leptocephala Sherff | J.C. Blumer | 1712 | |
| 42903 | IMGP2550.jpg | IMGP2550.jpg | Asteraceae | Bidens rosea Schz. Bip. var. aequisquama Fernald | Iso | Proc. Amer. Acad. Arts, 43:68. 1907. | Bidens aequisquama (Fern.) Sherff | C.G. Pringle | 10109 | |
| 28151 | IMGP2570.jpg | IMGP2570.jpg | Asteraceae | Bidens townsendii Sherff | Iso | Bot. Gaz., 89:363. 1930. | Bidens odorata Cav. | C.H.T. Townsend and C.M. Barber | 415 | |
| 28589 | IMGP1005.jpg | IMGP1005.jpg | Asteraceae | Bigelowia albida Jones Ex A. Gray | Iso | Proc. Amer. Acad. Arts, 17:209. 1881. | Chrysothamnus albidus (Jones) Greene | M.E. Jones | 2192 | |
| 41836 | IMGP2605.jpg | IMGP2605.jpg | Asteraceae | Brickellia californica var. lobulata B.L. Rob. | Iso | Mem. Gray Herb., 1:71. 1917. | Brickellia californica T. & G. | C.G. Pringle | 13543 | |
| 42905 | IMGP2606.jpg | IMGP2606.jpg | Asteraceae | Brickellia saltillensis B.L. Rob. | Iso | Proc. Amer. Acad. Arts, 43:37. 1907. | Brickellia saltillensis B.L. Rob. | C.G. Pringle | 10082 | |
| 8373 | IMGP2607.jpg | IMGP2607.jpg | Asteraceae | Calea pringlei B.L. Rob. | Iso | Proc. Amer. Acad. Arts, 36:488. 1901. | Calea pringlei B.L. Rob. | C.G. Pringle | 8373 | |
| 28712 | IMGP1013.jpg | IMGP1013.jpg | Asteraceae | Carduus gilensis Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:195. 1913. | Cirsium gilensis Wooton & Standley | O.B. Metcalfe | 377 | |
| 28713 | IMGP1027.jpg | IMGP1027.jpg | Asteraceae | Carduus inornatus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:195. 1913. | Cirsium inornatum (Wooton & Standley) | E.O. Wooton | ||
| 28707 | IMGP1025.jpg | IMGP1025.jpg | Asteraceae | Carduus pallidus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:195. 1913. | Cirsium pallidum (Wooton & Standley) | P.C. Standley | 4357 | |
| 28715 | IMGP2131.jpg | IMGP2131.jpg | Asteraceae | Carduus perennans Greene | Isolecto | Bull. Torrey Bot. Club, 25:123. 1898. | Pissium wheeleri (Gray) Petrak | E.O. Wooton | 326 | |
| 28724 | IMGP1009.jpg | IMGP1009.jpg | Asteraceae | Carduus pulchellus Greene Ex Rydberg | Iso | Fl. Colorado, p. 400. 1906. | Cirsium pulchellus (Greene) Wooton & Standley | C.F. Baker | 646 | |
| 28652 | IMGP1085.jpg | IMGP1085.jpg | Asteraceae | Carduus vinaceus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:193. 1913. | Carduus vinaceus Wooton & Standley | E.O. Wooton | ||
| 28386 | IMGP1014.jpg | IMGP1014.jpg | Asteraceae | Chaenactis paleolifera A. Nelson | Iso | Bot. Gaz., 47:434. 1909. | Chaenactis carphoclinia var. carphoclinia A. Gray | L.N. Goodding | 2344 | |
| 56115 | IMGP1015.jpg | IMGP1015.jpg | Asteraceae | Chaetopappa elegans Soreng & Spellenberg | Iso | Syst. Bot., 9:1. 1984. | Chaetopappa elegans Soreng & Spellenberg | R. Soreng, R. Spellenberg, D. Ward | 2026 | |
| 28410 | IMGP1016.jpg | IMGP1016.jpg | Asteraceae | Chaptalia alsophila Greene | Iso | Leafl. Bot. Observ. Crit., 1:158. 1905. | Chaptalia alsophila Greene | O.B. Metcalfe | 1454 | |
| 28430 | IMGP1021.jpg | IMGP1021.jpg | Asteraceae | Chrysopsis bakeri Greene | Isolecto | Pittonia, 4:154. 1900. | Heterotheca villosa (Pursh) Shinners var. minor (Hook.) Semple, in ed. | C.F. Baker | 649 | |
| 28425 | IMGP1020.jpg | IMGP1020.jpg | Asteraceae | Chrysopsis hirsutissima Greene | Isolecto | Pittonia, 4:154. 1900. | Heterotheca villosa (Pursh) Shinners var. minor (Hook) Semple, in ed | C.F. Baker | 650 | |
| 28451 | IMGP2566.jpg | IMGP2566.jpg | Asteraceae | Chrysopsis nitidula Wooten & Standley | Iso | Contr. U.S. Natl. Herb., 16:179. 1913. | Heterotheca fulcrata (Greene) Shinners var. amplifolia (Rydb.) Semple, in ed. | O.B. Metcalfe | 552 | |
| 28454 | IMGP1017.jpg | IMGP1017.jpg | Asteraceae | Chrysopsis pedunculata Greene | Isolecto | Pittonia, 4:154. 1900. | Heterotheca villosa (Pursh) Shinners var. pedunculata (Greene) Harms ex Semple | C.F. Baker | 651 | |
| 28611 | IMGP1022.jpg | IMGP1022.jpg | Asteraceae | Chrysothamnus confinis Greene | Iso | Pittonia, 5:62. 1902. | Chrysothamnus nauseosus (Pallas) Britt. ssp. graveolens (Nutt.) Piper | E.O. Wooton | 379 | |
| 69805 | IMGP1023.jpg | IMGP1023.jpg | Asteraceae | Circium ochrocentrum (A. Gray) subsp. martinii P. Barlow | Iso | Novon, 9(3): 320, figs. 1-2. 1999. | Circium ochrocentrum (A. Gray) subsp. martinii P. Barlow | P. Barlow-Irick | ||
| 28685 | IMGP2084.jpg | IMGP2084.jpg | Asteraceae | Cirsium ochrocentrum var. townsendii Petrak | Iso | Beih. Bot. Centralbl., 35, Ab. 2:420. 1917. | Cirsium undulatum (Nutt.) Spring. var. townsendii (Petrak) Hsi | C.H.T. Townsend and C.M. Barber | 59 | |
| 28225 | IMGP1030.jpg | IMGP1030.jpg | Asteraceae | Coleosanthus ambigens Greene | Iso | Bull. Torrey Bot. Club, 25:118, pl. 330. 1898. | Brickellia fendleri (Gray) King & Robins. | E.O. Wooton | 335 | |
| 28233 | IMGP1029.jpg | IMGP1029.jpg | Asteraceae | Coleosanthus axillaris Greene | Iso | Leafl. Bot. Observ. Crit., 1:149. 1905. | Coleosanthus axillaris Greene | O.B. Metcalfe | 1446 | |
| 28254 | Asteraceae | Coleosanthus chenopodinus Greene Ex Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:177. 1913. | Brickellia chenopodina Greene | O.B. Metcalfe | 776 | ON LOAN: Loan #428 to Randy Scott, Professor at NAU | ||
| 28284 | IMGP2655.jpg | IMGP2655.jpg | Asteraceae | Coleosanthus modestus Greene | Iso | Pittonia, 4:236. 1901. | Coleosanthus modestus Greene | F.S. Earle and E.S. Earle | 161 | |
| 28286 | Asteraceae | Coleosanthus venosus Wooton & Standley | Iso | Brickellia venosa (Woot. & Standl.) Robins. | O.B. Metcalfe | 653 | ON LOAN: Loan #428 to Randy Scott, Professor at NAU | |||
| 42908 | IMGP2608.jpg | IMGP2608.jpg | Asteraceae | Coreopsis pringlei B.L. Rob. | Iso | Proc. Amer. Acad. Arts, 43:41. 1907. | Coreopsis pringlei B.L. Rob. | C.G. Pringle | 10050 | |
| 29562 | IMGP1033.jpg | IMGP1033.jpg | Asteraceae | Crepis mogollonica Greene Ex Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:176. 1913. | Crepis mogollonica Greene ex Wooton & Standley | O.B. Metcalfe | 576 | |
| 38985 | IMGP1032.jpg | IMGP1032.jpg | Asteraceae | Crepis neomexicana Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:176. 1913. | Crepis runcinata spp. runcinata Torr. | E.O. Wooton | ||
| 30745 | IMGP1034.jpg | IMGP1034.jpg | Asteraceae | Cynthia viridis Standley | Iso | Contr. U.S. Natl. Herb., 13:357. 1911. | Krigia biflora (Walt.) Blake forma glandulifera Fernald | P.C. Standley | 4418 | |
| 46353 | IMGP1035.jpg | IMGP1035.jpg | Asteraceae | Enceliopsis tuta A. Nelson | Iso | Bot. Gaz., 47(6):433. 1909. | Enceliopsis nudicaulis (Gray) A. Nelson var. nudicaulis | L.N. Goodding | 2271 | |
| 27766 | IMGP2626.jpg | IMGP2626.jpg | Asteraceae | Encephalus formosus Greene | Iso | Pittonia, 4:156. 1900. | Aster glaucodes var. formosus (Greene) Kittell | C.F. Baker | 659 | |
| 56411 | IMGP1048.jpg | IMGP1048.jpg | Asteraceae | Erigeron acomanus Spellenberg & Knight | Iso | Madrono, 36(2):115. 1989. | Erigeron acomanus Spellenberg & Knight | P. Knight | 2689 | |
| 29692 | IMGP1047.jpg | IMGP1047.jpg | Asteraceae | Erigeron arenarius Greene | Iso | Bull. Torrey Bot. Club, 25(3):121. 1898. | Erigeron arenarius Greene | E.O. Wooton | 23 | |
| 58031 | IMGP1045.jpg | IMGP1045.jpg | Asteraceae | Erigeron arisolius Nesom | Iso | Phytologia, 69(4): 243. 1990. | Erigeron arisolius Nesom | G. Nesom | 4521 | |
| 57443 | IMGP1044.jpg | IMGP1044.jpg | Asteraceae | Erigeron basaseachensis Nesom | Iso | Phytologia, 66(5):426. 1989. | Erigeron basaseachensis Nesom | G. Nesom, P. Lewis | 5089 | |
| 62734 | IMGP1043.jpg | IMGP1043.jpg | Asteraceae | Erigeron bistiensis Nesom & Hevron | Iso | Madrono, 42:13. 1995. | Erigeron bistiensis Nesom & Hevron | B. Hevron, J. Merz | 1975 | |
| 73145 | IMGP1042.jpg | IMGP1042.jpg | Asteraceae | Erigeron caulinifolius Nesom | Iso | Phytologia, 66(5):428. 1989. | Erigeron caulinifolius Nesom | G. Nesom, A. McDonald | 6483 | |
| 73146 | IMGP1041.jpg | IMGP1041.jpg | Asteraceae | Erigeron coroniglandifer Nesom | Iso | Phytologia, 66(5):432. 1989. | Erigeron coroniglandifer Nesom | G. Nesom | 4964 | |
| 29901 | IMGP1040.jpg | IMGP1040.jpg | Asteraceae | Erigeron deminutus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:183. 1913. | Erigeron flagellaris Gray | E.O. Wooton | ||
| 29738 | IMGP1038.jpg | IMGP1038.jpg | Asteraceae | Erigeron deustus Greene | Iso (possible) | Leafl. Bot. Observ. Crit., 1:211. 1906. | Erigeron deustus Greene | O.B. Metcalfe | 886 | |
| 29718 | IMGP2622.jpg | IMGP2622.jpg | Asteraceae | Erigeron dicladus Greene | Iso | Leafl. Bot. Observ. Crit., 2:214. 1912. | Erigeron tracyi E.L. Greene | O.B. Metcalfe | 967 | |
| 54847 | IMGP2539.jpg | IMGP2539.jpg | Asteraceae | Erigeron eruptens G.L. Nesom | Iso | Phytologia, 66:438. 1989. | Erigeron eruptens G.L. Nesom | R.W. Spellenberg, R. Soreng, R. Corral-Dφaz, J. Cornelius, C. Spurrier, and T.K. Todsen | 8070 | |
| 29782 | IMGP1037.jpg | IMGP1037.jpg | Asteraceae | Erigeron formosissimus Greene | Iso | Bull. Torrey Bot. Club, 25(3):121. 1898. | Erigeron formosissimus Greene | E.O. Wooton | 352 | |
| 47547 | IMGP1036.jpg | IMGP1036.jpg | Asteraceae | Erigeron hessii Nesom | Iso | Brittonia, 30(4):440. 1978. | Erigeron hessii Nesom | W.J. Hess | 2269 | |
| 29870 | IMGP1062.jpg | IMGP1062.jpg | Asteraceae | Erigeron patruelis Nesom | Iso | Unpubished bionomial. | Erigeron patruelis Nesom [unpublished] | C.H.T. Townsend and C.M. Barber | 188 | |
| 29842 | Asteraceae | Erigeron pecosensis Standley | Para | Muhlenbergia, 5:29. 1909. | Erigeron formosissimus Greene var. viscidus (Rydberg) Cronquist | P.C. Standley | 4181 | |||
| 29843 | IMGP1061.jpg | IMGP1061.jpg | Asteraceae | Erigeron pecosensis Standley | Holo | Muhlenbergia, 5:29. 1909. | Erigeron formosissimus Greene var. viscidus (Rydberg) Cronquist | P.C. Standley | 4358 | |
| 29844 | Asteraceae | Erigeron pecosensis Standley | Para | Muhlenbergia, 5:29. 1909. | Erigeron formosissimus Greene var. viscidus (Rydberg) Cronquist | P.C. Standley | 4830 | |||
| 29855 | IMGP1060.jpg | IMGP1060.jpg | Asteraceae | Erigeron platyphyllus Greene | Iso | Leafl. Bot. Observ. Crit., 1:145. 1905. | Erigeron vreelandii E. Greene | O.B. Metcalfe | 1469 | |
| 29802 | IMGP1059.jpg | IMGP1059.jpg | Asteraceae | Erigeron rudis Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:184. 1913. | Erigeron vreelandii E. Greene | E.O. Wooton | 270 | |
| 58630 | IMGP1058.jpg | IMGP1058.jpg | Asteraceae | Erigeron rybius Nesom | Iso | Syst. Bot., 7(4):457. 1982. | Erigeron rybius Nesom | G. Nesom | 4535 | |
| 29790 | IMGP1057.jpg | IMGP1057.jpg | Asteraceae | Erigeron salicinus Rydberg | Iso | Bull. Torrey Bot. Club, 32:125. 1905. | Erigeron salicinus Rydberg | C.F. Baker | 670 | |
| 58033 | IMGP1055.jpg | IMGP1055.jpg | Asteraceae | Erigeron sceptrifer Nesom | Iso | Phytoligia, 69:248. 1990. | Erigeron sceptrifer Nesom | G. Nesom | 4477 | |
| 29806 | IMGP1054.jpg | IMGP1054.jpg | Asteraceae | Erigeron semirasus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:185. 1913. | Erigeron vreelandii E. Greene | O.B. Metcalfe | 320 | |
| 29725 | IMGP2625.jpg | IMGP2625.jpg | Asteraceae | Erigeron setulosus Greene | Iso | Pittonia, 4:319. 1901. | Erigeron concinnus (Hook. & Arn.) Torr. & Gray. var. concinnus | C.F. Baker | 664 | |
| 29799 | IMGP1053.jpg | IMGP1053.jpg | Asteraceae | Erigeron subglaber Cronquist | Iso | Brittonia, 6(2):207. 1947. | Erigeron subglaber Cronquist | P.C. Standley | 4596 | |
| 29898 | IMGP1051.jpg | IMGP1051.jpg | Asteraceae | Erigeron superbus Greene | Isosyn (possible) | Fl. Colorado, p. 361. 1906. | Erigeron superbus Greene | C.F. Baker | 679 | |
| 29902 | IMGP1049.jpg | IMGP1049.jpg | Asteraceae | Erigeron tonsus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:186. 1913. | Erigeron flagellaris Gray | E.O. Wooton | ||
| 32458 | IMGP1063.jpg | IMGP1063.jpg | Asteraceae | Eriocarpum serratum Greene | Iso | Bull. Torrey Bot. Club, 25:119. 1898/ | Sideranthus serratus (Greene) Standley | E.O. Wooton | 251 | |
| 29985 | IMGP2574.jpg | IMGP2574.jpg | Asteraceae | Eupatorium collodes B.L. Rob. & Greenman | Iso | Amer. J. Sci., 50:152. 1895. | Eupatorium collodes B.L. Rob. & Greenman | C.G. Pringle | 4941 | |
| 30022 | IMGP2573.jpg | IMGP2573.jpg | Asteraceae | Eupatorium oresbium B.L. Rob. | Iso | Proc. Amer. Acad. Arts, 35:337. 1900. | Eupatorium oresbium B.L. Rob. | C.G. Pringle | 8030 | |
| 42662 | IMGP2572.jpg | IMGP2572.jpg | Asteraceae | Eupatorium porriginosum B.L. Rob. | Iso | Contr. Gray Herb., n.s. 75:11. 1925. | Eupatorium porriginosum B.L. Rob. | C.G. Pringle | 13047 | |
| 42916 | IMGP2549.jpg | IMGP2549.jpg | Asteraceae | Eupatorium saltillense B.L. Robinson | Iso | Proc. Amer. Acad. Arts, 43:34. 1907. | Eupatorium saltillense B.L. Robinson | C.G. Pringle | 10080 | |
| 42917 | IMGP2609.jpg | IMGP2609.jpg | Asteraceae | Eupatorium sphenopodum B.L. Rob. | Iso | Proc. Amer. Acad. Arts, 43:35. 1907. | Eupatorium sphenopodum B.L. Rob. | C.G. Pringle | 10259 | |
| 72751 | IMGP1066.jpg | IMGP1066.jpg | Asteraceae | Gaillardia pedunculata A. Nelson | Iso | Bot. Gaz., 47(6):432. 1909. | Gaillardia arizonica A. Gray | L.N. Goodding | 2177 | |
| 53429 | IMGP1067.jpg | IMGP1067.jpg | Asteraceae | Galinsoga spellenbergii B.L. Turner | Iso | Phytologia, 59:91. 1986. | Galinsoga spellenbergii B.L. Turner | R. Spellenberg, J. Zimmerman | 6652 | |
| 30259 | IMGP2571.jpg | IMGP2571.jpg | Asteraceae | Gnaphalium viridulum I.M. Johnst. | Iso | Contr. Gray Herb., n.s. 70:86. 1924. | Pseudognaphalium canescens (DC.) Anderb. | O.B. Metcalfe | 742 | |
| 30288 | IMGP1074.jpg | IMGP1074.jpg | Asteraceae | Grindelia arizonica A. Gray var. dentata Steyerm. | Iso | Ann. Missouri Bot. Gard., 21:508. 1934. | Grindelia arizonica A. Gray var. arizonica | O.B. Metcalfe | 744 | |
| 30278 | IMGP1073.jpg | IMGP1073.jpg | Asteraceae | Grindelia arizonica A. Gray var. stenophylla Steyerm. | Iso | Ann. Missouri Bot. Gard., 21:507. 1934. | Grindelia arizonica A. Gray var. stenophylla Steyerm. | E.O. Wooton | 2568 | |
| 43563 | IMGP1072.jpg | IMGP1072.jpg | Asteraceae | Grindelia fraxino-pratensis Reveal & Beatley | Iso | Bull. Torrey Bot. Club, 98(6): 334. 1971 (publ. 1972). | Grindelia frazino-pratensis Reveal & Beatley | J.L. Reveal, N.H. Holmgren | 1887 | |
| 30297 | IMGP1089.jpg | IMGP1089.jpg | Asteraceae | Grindelia neomexicana Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:178. 1913. | Grindelia neomexicana Wooton & Standley | E.O. Wooton | ||
| 30296 | IMGP2651.jpg | IMGP2651.jpg | Asteraceae | Grindelia scabra Greene | Isosyn | Bull. Torrey Bot. Club, 25:120. 1898. | Grindelia scabra Greene | E.O. Wooton | 372 | |
| 30299 | IMGP2648.jpg | IMGP2648.jpg | Asteraceae | Grindelia scabra Greene | Isolecto | Bull. Torrey Bot. Club, 25:120. 1898. | Grindelia scabra Greene | E.O. Wooton | 224 | |
| 30321 | IMGP1069.jpg | IMGP1069.jpg | Asteraceae | Grindelia subincisa Greene | Iso | Pittonia, 4:154. 1900. | Grindelia decumbens Greene | C.F. Baker | 683 | |
| 44416 | IMGP1076.jpg | IMGP1076.jpg | Asteraceae | Gutierrezia argyrocarpa Greenman | Iso | Proc. Amer. Acad. Arts, 40:35. 1904. | Gutierrezia argyrocarpa Greenman | C.G. Pringle | 11361 | |
| 30374 | IMGP1078.jpg | IMGP1078.jpg | Asteraceae | Gutierrezia glomerella Greene | Iso | Pittonia, 4:54. 1899. | Gutierrezia microcephala (DC.) A. Gray | E.O. Wooton | 449 | |
| 30386 | IMGP1077.jpg | IMGP1077.jpg | Asteraceae | Guttierrezia juncea Greene | Isosyn | Pittonia, 4:56. 1899. | Gutierrezia sarothrae (Pursh) Britt. & Rusby | J. Skehan | 78 | |
| 30389 | IMGP1075.jpg | IMGP1075.jpg | Asteraceae | Guttierrezia longifolia Greene | Iso | Pittonia, 4:54. 1899. | Gutierrezia sarothrae (Pursh) Britt. & Rusby | E.O. Wooton | 377 | |
| 30448 | IMGP1079.jpg | IMGP1079.jpg | Asteraceae | Gymnolomia brevifolia Greene Ex Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:190. 1913. | Gymnolomia brevifolia Greene Ex Wooton & Standley | O.B. Metcalfe | 511 | |
| 44417 | IMGP2610.jpg | IMGP2610.jpg | Asteraceae | Gymnolomia hypochlora S.F. Blake | Iso | Proc. Amer. Acad. Arts, 51:516. 1916. | Gymnolomia ghiesbreghtii Hemsl. | C.G. Pringle | 11537 | |
| 30515 | IMGP1080.jpg | IMGP1080.jpg | Asteraceae | Helianthella majuscula Greene | Iso | Leafl. Bot. Observ. Crit., 1:148. 1905. | Helianthella quinquenervis (Hook.) A. Gray | O.B. Metcalfe | 1435 | |
| 30749 | IMGP2569.jpg | IMGP2569.jpg | Asteraceae | Hieracium prionobium B.L. Rob. & Greenman | Isosyn | Proc. Amer. Acad Arts, 40:17. 1904. | Hieracium abscissum Less. | C.H.T. Townsend and C.M. Barber | 254 | |
| 30800 | IMGP1082.jpg | IMGP1082.jpg | Asteraceae | Hymenopappus nudatus Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:191. 1913. | Hymenopappus nudatus Wooton & Standley | O.B. Metcalfe | 107 | |
| 50365 | IMGP1084.jpg | IMGP1084.jpg | Asteraceae | Hymenoxys brachyactis Wooton & Standley | Iso | Contr. U.S. Natl. Herb., 16:192. 1913. | Actinea brachyactis (Wooton & Standley) Parker | E.O. Wooton | ||
| 47272 | IMGP1083.jpg | IMGP1083.jpg | Asteraceae | Hymenoxys chrysanthemoides (Kunth) DC. var. juxta Cockerell | Iso | Bull. Torrey Bot. Club, 31(9):503. 1904. | Hymenoxys odorata DC. | O.B. Metcalfe | 118 | |
| 48062 | IMGP1096.jpg | IMGP1096.jpg | Asteraceae | Isocoma azteca Nesom | Iso | Phytologia, 70(2):84. 1991. | Isocoma tenuisecta Greene | R. Spellenberg, J. Reitzel, H. McKinney | 4344 | |
| 58628 | IMGP1092.jpg | IMGP1092.jpg | Asteraceae | Isocoma tomentosa Nesom | Iso | Phytologia, 70:109. 1991. | Isocoma tomentosa Nesom | G. Nesom, L. Vorobik | 5478 | |
| 44666 | IMGP2588.jpg | IMGP2588.jpg | Asteraceae | Jalis | ||||||
