Apiaceae GH: 00075902 Aulospermum minimum Mathias USA: Utah On the upper part of the "Breaks", Cedar Bre... M. E. Mathias 723 1929-7-19
GH: 00404395 Ligusticum apiifolium (Nuttall ex Torrey & A. Gray) A. Gray USA: California Madrona Forest Camp, on the Smith River M. E. Mathias 766 1929-8-5
Apocynaceae GH: 02179532 Apocynum androsaemifolium Linnaeus USA: South Dakota Deadwood: Spearfish Canyon, near Deadwood M. E. Mathias 789 1929-8-25
GH: 02179939 Apocynum cannabinum Linnaeus USA: New Mexico along the highway through Cimarron Canyon, n... M. E. Mathias 558 1929-6-30
GH: 02178195 Apocynum floribundum Greene USA: Colorado along the road near Morley M. E. Mathias 490 1929-6-29
Asteraceae GH: 02204816 Heterotheca villosa scabra (Eastwood) Semple USA: Colorado Mesa Verde National Park M. E. Mathias 639 1929-7-8
GH: 01835394 Lygodesmia juncea D. Don USA: Nebraska along highway 30 miles east of McCook M. E. Mathias 313 1929-6-18
Berberidaceae A: 02168737 Berberis fendleri A. Gray USA: New Mexico along the highway through Cimarron Canyon, n... M. E. Mathias 568 1929-6-30
GH: 02169114 Mahonia aquifolium (Pursh) Nuttall USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 392 1929-6-20
Boraginaceae GH: 01996678 Lithospermum multiflorum Torrey USA: New Mexico Raton Pass, north of Raton M. E. Mathias 503 1929-6-29
GH: 01997515 Mertensia arizonica Greene USA: Utah above the Breaks, Cedar Breaks M. E. Mathias 686 1929-7-19
Brassicaceae GH: 01097594 Cakile edentula (Bigelow) Hooker USA: Washington [data not captured] M. E. Mathias 776 1929-8-11
Capparaceae GH: 01872277 Peritoma serrulata (Pursh) de Candolle USA: Colorado along highway between Sterling and Fort Coll... M. E. Mathias 343 1929-6-19
Caryophyllaceae GH: 01742787 Cerastium arvense Linnaeus USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 399 1929-6-20
Commelinaceae GH: 02113604 Tradescantia laramiensis Goodding USA: Colorado along highway west of Fleming M. E. Mathias 329 1929-6-19
Cupressaceae A: 02105416 Juniperus monosperma Sargent USA: New Mexico Santa Fe Canyon, near Santa Fe M. E. Mathias 601 1929-7-1
Ephedraceae GH: 01689621 Ephedra sp. USA: Colorado Spruce Canyon, near camp ground, Mesa Verde ... M. E. Mathias 645 1929-7-8
GH: 00933592 Ephedra torreyana S. Watson USA: New Mexico along Cuba Road, near Bloomfield M. E. Mathias 614 1929-7-5
Ericaceae A: 01117574 Arctostaphylos patula Greene USA: Utah east of Cedar Breaks M. E. Mathias 714 1929-7-18
Fabaceae GH: 02047515 Astragalus convallarius Greene USA: Utah along the upper part of the Breaks, Cedar Br... M. E. Mathias 731 1929-7-19
GH: 02047516 Astragalus convallarius Greene USA: Utah along the upper part of the Breaks, Cedar Br... M. E. Mathias 732 1929-7-19
GH: 02049279 Astragalus mollissimus Torrey USA: Colorado on hill west of Sterling M. E. Mathias 353 1929-6-19
GH: 02049941 Astragalus pectinatus (Douglas ex Hooker) Douglas ex G. Don USA: Colorado along highway between Sterling and Fort Coll... M. E. Mathias 348 1929-6-19
GH: 02048128 Astragalus preussii A. Gray USA: New Mexico along the road between Lybrooks and Simpson,... M. E. Mathias 609 1929-7-4
GH: 02048587 Astragalus scopulorum Porter USA: Nebraska along highway 30 miles east of McCook M. E. Mathias 314 1929-6-18
GH: 02030513 Astragalus sp. USA: Colorado roadside, between Sterling and Ft. Collins M. E. Mathias 344 1929-6-19
GH: 01958149 Hedysarum boreale Nuttall USA: New Mexico Cimarron Canyon, near Cimarron M. E. Mathias 556 1929-6-30
GH: 02148547 Lathyrus brachycalyx eucosmus (Butters & H. St. John) S. L. Welsh USA: New Mexico Raton Pass, north of Raton M. E. Mathias 504 1929-6-29
GH: 02085221 Lupinus argenteus Pursh USA: Colorado along Masonville Road west of Fort Collins, ... M. E. Mathias 374 1929-6-20
GH: 02085961 Lupinus caudatus argophyllus (A. Gray) L. Ll. Phillips USA: New Mexico Santa Fe Canyon, near Santa Fe M. E. Mathias 591 1929-7-1
GH: 02131754 Pediomelum argophyllum (Pursh) Rydberg USA: Nebraska 20 miles west of Hastings M. E. Mathias 301 1929-6-17
GH: 02131870 Pediomelum cuspidatum (Pursh) Rydberg USA: Nebraska along highway 30 miles east of McCook M. E. Mathias 317 1929-6-18
A: 02134875 Robinia luxurians Rydberg USA: New Mexico on north slopes of Raton Pass, near Raton M. E. Mathias 502 1929-6-29
Geraniaceae GH: 01864869 Geranium parryi (G. Engelmann ex A. Gray) A. Heller USA: Colorado along Masonville Road west of Fort Collins M. E. Mathias 363 1929-6-20
Iridaceae GH: 01747485 Iris missouriensis Nuttall USA: New Mexico bordering Eagle Lake, near Taos M. E. Mathias 550 1929-6-30
Lamiaceae GH: 01598799 Poliomintha incana (Torrey) A. Gray USA: New Mexico along the Cuba Road, south of Bloomfield M. E. Mathias 615 1929-7-5
Linaceae GH: 02053165 Linum lewisii Pursh USA: Colorado along Masonville Road west of Fort Collins M. E. Mathias 355 1929-6-20
Loranthaceae GH: 00355120 Phoradendron tomentosum (de Candolle) Engelmann ex A. Gray USA: California along the highway east of Paso Robles M. E. Mathias 740 1929-7-29
GH: 00355120 Phoradendron villosum (Nuttall) Nuttall ex Engelmann USA: California along the highway east of Paso Robles M. E. Mathias 740 1929-7-29
Malvaceae GH: 02202257 Callirhoe involucrata (Torrey & A. Gray) A. Gray USA: Nebraska Hastings: along highway 20 miles west of Has... M. E. Mathias 305 1929-6-17
GH: 02199562 Sphaeralcea coccinea (Nuttall) Rydberg USA: Nebraska 20 miles west of Hastings M. E. Mathias 306 1929-6-17
GH: 02198098 Sphaeralcea parvifolia A. Nelson USA: Arizona along the road to Jacob's Lake, Kaibab Plate... M. E. Mathias 657 1929-7-14
Mimosaceae GH: 01992605 Schrankia nuttallii Standley USA: Nebraska along highway 30 miles east of McCook M. E. Mathias 315 1929-6-18
Nyctaginaceae GH: 01846280 Mirabilis multiflora (Torrey) A. Gray USA: New Mexico south of Raton on the road to Taos M. E. Mathias 1929-6-30
GH: 01846689 Tripterocalyx carneus carneus (Greene) L. A. Galloway USA: New Mexico along Cuba Road, near Huerfano Mesa, northwe... M. E. Mathias 1929-7-4
Onagraceae GH: 01778460 Gayophytum diffusum diffusum A. Gray & Torrey USA: Idaho Warm River M. E. Mathias 783 1929-8-16
GH: 01645580 Oenothera coronopifolia A. Gray & Torrey USA: Colorado along highway west of Fleming M. E. Mathias 327 1929-6-19
Pinaceae A: 00396569 Picea engelmannii Parry ex Engelmann USA: Utah Cedar Breaks, near Cedar City M. E. Mathias 720 1929-7-19
GH: 00396573 Picea engelmannii Parry ex Engelmann USA: Utah Cedar Breaks, near Cedar City M. E. Mathias 719 1929-7-19
A: 00398558 Pinus edulis Engelmann USA: New Mexico Near Bernalillo, on Cuba Road M. E. Mathias 606 1929-7-3
A: 00357162 Pinus radiata D. Don USA: California Monterey: Along coast south of the Presidio,... M. E. Mathias 765 1929-7-30
A: 01113378 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Aspen-glan Camp, Fall River Road, near Estes... M. E. Mathias 440 1929-6-22
A: 01113386 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 378 1929-6-20
GH: 01113405 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Fall River Road, near Estes Park M. E. Mathias 440 1929-6-22
Plantaginaceae GH: 02002051 Penstemon ambiguus Torrey USA: New Mexico near Bernalillo on the road to Cuba M. E. Mathias 608 1929-7-3
GH: 02002693 Penstemon barbatus torreyi (Bentham) A. Gray USA: Colorado along the road near Morley M. E. Mathias 493 1929-6-29
GH: 02119803 Penstemon glaber brandegeei (Porter) C. C. Freeman USA: Colorado along the highway near Morley M. E. Mathias 492 1929-6-29
GH: 01801262 Penstemon virens Pennell ex Rydberg USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 388 1929-6-20
Polygonaceae GH: 01618628 Eriogonum cernuum Nuttall USA: Arizona Kaibab Plateau, near Jacob's Lake M. E. Mathias 656 1929-7-14
GH: 02043204 Eriogonum umbellatum Torrey USA: Colorado along Masonville Road west of Fort Collins M. E. Mathias 364 1929-6-20
Ranunculaceae GH: 01708062 Anemone patens multifida Pritzel USA: Colorado along Masonville Road west of Fort Collins M. E. Mathias 372 1929-6-20
GH: 01709058 Aquilegia coerulea pinetorum (Tidestrom) Kearney & Peebles USA: Utah Cedar Breaks, near Cedar City M. E. Mathias 717 1929-7-19
GH: 01658271 Delphinium barbeyi (Huth) Huth USA: Utah above the Breaks, Cedar Breaks M. E. Mathias 694 1929-7-19
GH: 01839041 Thalictrum fendleri Engelmann ex A. Gray USA: Utah above the Breaks, Cedar Breaks M. E. Mathias 703 1929-7-19
Rosaceae GH: 01606064 Fallugia paradoxa (D. Don) Endlicher USA: New Mexico along the highway through Cimarron Canyon, n... M. E. Mathias 549 1929-6-30
A: 01606105 Fallugia paradoxa (D. Don) Endlicher USA: New Mexico along the highway through Cimarron Canyon, n... M. E. Mathias 549 1929-6-30
A: 01725581 Prunus virginiana demissa (Nuttall) Torrey USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 435 1929-6-20
GH: 01556538 Purshia tridentata (Pursh) de Candolle USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 402 1929-6-20
A: 01556551 Purshia tridentata (Pursh) de Candolle USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 402 1929-6-20
A: 01556553 Purshia tridentata (Pursh) de Candolle USA: Colorado Estes Park: Fern Lake Trail M. E. Mathias 402 1929-6-20
Rubiaceae GH: 02359718 Galium coloradoense W. Wight USA: Colorado Spruce Canyon, near camp ground, Mesa Verde ... M. E. Mathias 640 1929-7-8
Solanaceae GH: 01542061 Quincula lobata (Torrey) Rafinesque USA: Colorado along the highway between Pueblo and Walsenb... M. E. Mathias 511 1929-6-29