Adiantaceae GH: 02231520 Astrolepis cochisensis (Goodding) D. M. Benham & M. D. Windham Mexico: Coahuila Vicinity of Rancho La Botica, base of the Si... R. M. Stewart 2905 1942-10-8
GH: 02231549 Astrolepis cochisensis (Goodding) D. M. Benham & M. D. Windham Mexico: Coahuila Canon del Agua Chica R. M. Stewart 2827 1942-10-3
Agavaceae GH: 00071019 Dasylirion leiophyllum Engelmann ex Trelease Mexico: Coahuila Vicinity of Santa Elena Mines, 1400-1700 m R. M. Stewart 823 1941-7-14
GH: 00071140 Dasylirion leiophyllum glaucum (I. M. Johnston) Bogler Mexico: Chihuahua Cañon del Rayo, a large canyon on the north... R. M. Stewart 957 1941-7-25
GH: 00071019 Dasylirion stewartii I. M. Johnston Mexico: Coahuila Vicinity of Santa Elena Mines, 1400-1700 m R. M. Stewart 823 1941-7-14
GH: 00071140 Dasylirion stewartii glaucum I. M. Johnston Mexico: Chihuahua Cañon del Rayo, a large canyon on the north... R. M. Stewart 957 1941-7-25
Apocynaceae GH: 02180786 Amsonia longiflora Torrey Mexico: Coahuila Cañon del Curevo, Sierra Planchada 6 km. ea... R. M. Stewart 2189 1941-10-25
GH: 02180786 Amsonia longiflora salpignantha (Woodson) S. P. McLaughlin Mexico: Coahuila Cañon del Curevo, Sierra Planchada 6 km. ea... R. M. Stewart 2189 1941-10-25
Asclepiadaceae GH: 00435318 Matelea chihuahuensis (A. Gray) Woodson Mexico: Chihuahua Foothills of the Sierra Hechiceros 9 km sout... R. M. Stewart 220 1940-10-1
Asteraceae GH: 01237103 Artemisia albula Wooton Mexico: Coahuila Cañon del Indio Felipe, ca. lat. 28° 33'; ... R. M. Stewart 93 1940-9-27
GH: 01237102 Artemisia albula Wooton Mexico: Coahuila Eastern foothills of the Sierra de las Cruce... R. M. Stewart 276 1940-10-12
GH: 01237100 Artemisia albula Wooton Mexico: Coahuila Eastern foothills of the Sierra de la Cruces... R. M. Stewart 276A 1940-10-12
GH: 01237095 Artemisia albula Wooton Mexico: Coahuila Western slopes of the Sierra del Carmen 10 k... R. M. Stewart 1675 1941-9-15
GH: 01237092 Artemisia albula Wooton Mexico: Coahuila "Estafiate de Zorrillo"; Cañon de Ybarra, t... R. M. Stewart 1816 1941-9-22
GH: 01237129 Artemisia ludoviciana Nuttall Mexico: Coahuila Sierra de la Encantada, 7 km. west of Rancho... R. M. Stewart 1453 1941-9-6
GH: 01237136 Artemisia ludoviciana gnaphalodes (Nuttall) Torr. & A. Gray Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1626 1941-9-14
GH: 01237187 Artemisia sp. Mexico: Coahuila Valle de los Guajes (east of the Sierra de l... R. M. Stewart 1350 1941-9-3
GH: 00010901 Parthenium Linnaeus Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1662 1941-9-14
GH: 00010901 Parthenium confertum divaricatum Rollins Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1662 1941-9-14
GH: 00010901 Parthenium confertum confertum Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1662 1941-9-14
GH: 00282453 Pseudognaphalium jaliscense (Greenman) Anderberg Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1627 1941-9-14
Bromeliaceae GH: 01818101 Tillandsia recurvata (Linnaeus) Linnaeus Mexico: Coahuila western Coahuila, Vicinity of Santa Elena Mi... R. M. Stewart 2275 1942-6-12
Cactaceae GH: 01677589 Peniocereus greggii (Engelmann) Britton & Rose Mexico: Chihuahua Broad vally 2 km. south of Rancho de Encinil... R. M. Stewart 723 1941-7-7
GH: 01677590 Peniocereus greggii (Engelmann) Britton & Rose Mexico: Coahuila Western Coahuila. Vicinity of Santa Elena Mi... R. M. Stewart 824 1941-7-14
Caprifoliaceae GH: 00549793 Abelia coriacea Hemsley Mexico: Coahuila Cañon de Hidalgo, Sirra Mojada; along the v... R. M. Stewart 1081 1941-8-4
GH: 00549793 Abelia coriacea subcoriacea Villarreal Mexico: Coahuila Cañon de Hidalgo, Sirra Mojada; along the v... R. M. Stewart 1081 1941-8-4
GH: 00549793 Vesalea coriacea subcoriacea (Villarreal) H. F. Wang & Landrein Mexico: Coahuila Cañon de Hidalgo, Sirra Mojada; along the v... R. M. Stewart 1081 1941-8-4
Caryophyllaceae GH: 00037732 Drymaria lyropetala coahuilana I. M. Johnston Mexico: Coahuila 2 km northwest of Santa Elena, vicinity of S... R. M. Stewart 567 1941-6-21
Crassulaceae GH: 01987669 Echeveria strictiflora A. Gray Mexico: Chihuahua Vicinity of Fierro, (4 km. southeast of Ranc... R. M. Stewart 774 1941-7-8
GH: 01987670 Echeveria strictiflora A. Gray Mexico: Chihuahua 1 km. S. E. of Rancho Madera. Southeastern f... R. M. Stewart 2451 1942-9-24
GH: 01987671 Echeveria strictiflora A. Gray Mexico: Coahuila Cañon de Tinaja Blanca, eastern slope of th... R. M. Stewart 623 1941-6-26
GH: 01990806 Sedum nanifolium Fröderström Mexico: Coahuila High mesa in the Sierra de la Encantada 10 k... R. M. Stewart 1428 1941-9-5
GH: 01990805 Sedum nanifolium Fröderström Mexico: Chihuahua Vicinity of the playas (small shelf-like val... R. M. Stewart 981 1941-7-29
GH: 01990897 Sedum wrightii A. Gray Mexico: Chihuahua Cañon de la Madera, southeastern flank of S... R. M. Stewart 2577 1942-9-25
GH: 01990894 Sedum wrightii A. Gray Mexico: Coahuila Western slopes of the Sierra del Carm 8 km. ... R. M. Stewart 1703 1941-9-15
GH: 01990893 Sedum wrightii A. Gray Mexico: Coahuila Cañon del Indio Felipe, a deep wooded canyo... R. M. Stewart 2 1940-9-27
Euphorbiaceae GH: 00047123 Croton lindheimerianus tharpii M. C. Johnston Mexico: Coahuila Road from Las Delicias south through Puerto ... R. M. Stewart 2978 1942-10-11
A: 00047124 Croton lindheimerianus tharpii M. C. Johnston Mexico: Coahuila Road from Las Delicias south through Puerto ... R. M. Stewart 2978 1942-10-11
A: 00246644 Croton pottsii (Klotzsch) Müller Argoviensis Mexico: Chihuahua Canon de la Madera, southeastern flank of Si... R. M. Stewart 2520
GH: 00047123 Croton sp. Mexico: Coahuila Road from Las Delicias south through Puerto ... R. M. Stewart 2978 1942-10-11
A: 00047124 Croton sp. Mexico: Coahuila Road from Las Delicias south through Puerto ... R. M. Stewart 2978 1942-10-11
Hydrophyllaceae GH: 00093514 Phacelia infundibuliformis phanerandra I. M. Johnston Mexico: Coahuila Cañon de Tinaja Blanca, eastern slope of th... R. M. Stewart 2241 1942-3-12
GH: 00093513 Phacelia infundibuliformis phanerandra I. M. Johnston Mexico: Coahuila Cañon de Tinaja Blanca, eastern slope of th... R. M. Stewart 2241 1942-3-12
Lamiaceae GH: 00971910 Hedeoma hyssopifolium A. Gray Mexico: Coahuila Canon del Indio Felipe, in the igneous Sierr... R. M. Stewart 80 1940-9-28
GH: 00971911 Hedeoma hyssopifolium A. Gray Mexico: Coahuila Canon del Indio Felipe, in the igneous Sierr... R. M. Stewart 153 1940-9-29
GH: 00038329 Scutellaria stewartii B. L. Turner Mexico: Coahuila Canyon de Milagro, a deep narrow box-canyon ... R. M. Stewart 1518 1941-9-10
Linaceae GH: 01248319 Linum lewisii Pursh Mexico: Coahuila High central parts of the calcareous Sierra ... R. M. Stewart 2281 1942-8-26
GH: 01248407 Linum puberulum (Engelmann) A. Heller Mexico: Coahuila 6 km. east of El Tule; Vicinity of Rancho El... R. M. Stewart 477 1941-6-13
GH: 01248416 Linum rigidum filifolium Shinners Mexico: Coahuila in the Sierra de la Encantada 9 km. northwes... R. M. Stewart 1427 1941-9-5
GH: 01248415 Linum rigidum filifolium Shinners Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1606 1941-9-14
GH: 01248485 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila Cañon de Ybarra, the principal canyon at th... R. M. Stewart 1893 1941-9-22
GH: 01248484 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila Eastern foothills of the Sierra de las Cruce... R. M. Stewart 254 1940-10-10
GH: 01248483 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Chihuahua 3 km. south of Progreso; Along road through ... R. M. Stewart 2318 1942-9-21
GH: 01248482 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila Cañon de Hidalgo, Sierra Mojada; along the ... R. M. Stewart 1094 1941-8-4
GH: 01248475 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila 6 km. east of El Tule; Vicinity of Rancho El... R. M. Stewart 468 1941-6-13
GH: 01248474 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila (3 km. up canyon); Cañon del Gringo, northe... R. M. Stewart 1028 1941-8-4
GH: 01248465 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Chihuahua (8 km. east of Fierro); Vicinity of Fierro, ... R. M. Stewart 759 1941-7-8
GH: 01248464 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Chihuahua Cañon del Rayo, a large canyon on the north... R. M. Stewart 905 1941-7-25
GH: 01248458 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila Rancho del Coyote (1 km. S. E.); Base of mou... R. M. Stewart 2745 1942-9-25
GH: 01248456 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Coahuila near Tinaja Blanca; Cañon de Tinaja Blanca,... R. M. Stewart 2236 1942-3-12
GH: 01248536 Linum schiedeanum Chamisso & Schlechtendal Mexico: Coahuila Cañon de Hidalgo, Sierra Mojada; along the ... R. M. Stewart 1077 1941-8-4
GH: 01248528 Linum schiedeanum Chamisso & Schlechtendal Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1618 1941-9-14
GH: 01248520 Linum schiedeanum Chamisso & Schlechtendal Mexico: Coahuila Cañon de Madera, western side of Sierra de ... R. M. Stewart 1501 1941-9-7
GH: 01248547 Linum vernale Wooton Mexico: Chihuahua Vicinity of the playas (small shelf-like val... R. M. Stewart 1000 1941-7-30
Nyctaginaceae GH: 00057341 Cyphomeris gypsophiloides (M. Martens & Galeotti) Standley Mexico: Chihuahua A large canyon on the northeastern side towa... R. M. Stewart 1943 1941-7-29
GH: 00057341 Cyphomeris gypsophiloides stewartii I. M. Johnston Mexico: Chihuahua A large canyon on the northeastern side towa... R. M. Stewart 1943 1941-7-29
Orchidaceae GH: 02091252 Dichromanthus cinnabarinus (La Llave & Lexarza) Garay Mexico: Coahuila About [mouth] of Canyon. Cañon de Milagro, ... R. M. Stewart 1541 1941-9-10
GH: 02091297 Dichromanthus cinnabarinus (La Llave & Lexarza) Garay Mexico: Coahuila Pichacho de San Jose. R. M. Stewart 1105 1941-8-9
GH: 02091296 Dichromanthus cinnabarinus (La Llave & Lexarza) Garay Mexico: Coahuila Cañon de Hidalgo, Sierra Mojada; along the ... R. M. Stewart 1064 1941-8-4
GH: 02091295 Dichromanthus cinnabarinus (La Llave & Lexarza) Garay Mexico: Chihuahua Vicinity of the playas (small shelf-like val... R. M. Stewart 976 1941-7-29
GH: 00002598 Hexalectris nitida L. O. Williams Mexico: Coahuila Cañon de Hidalgo, Sierra Mojada, along the ... R. M. Stewart 1068 1941-8-4
AMES: 00100281 Hexalectris nitida L. O. Williams Mexico: Coahuila Sierra Mojada, Canyon de Hidalgo R. M. Stewart 1068 1941-8-4
GH: 01985064 Malaxis ehrenbergii (H. G. Reichenbach) Kuntze Mexico: Coahuila High Central parts of the calcareous Sierra ... R. M. Stewart 2290 1922-8-26
GH: 01985064 Malaxis wendtii Salazar Mexico: Coahuila High Central parts of the calcareous Sierra ... R. M. Stewart 2290 1922-8-26
Orobanchaceae GH: 00091732 Seymeria falcata B. L. Turner Mexico: Coahuila Head of Cañon Ybarra, high central parts of... R. M. Stewart 1256 1941-8-29
GH: 00091734 Seymeria falcata uncinata B. L. Turner Mexico: Chihuahua Vicinity of the playas just below the high r... R. M. Stewart 987 1941-7-30
GH: 00091733 Seymeria falcata uncinata B. L. Turner Mexico: Chihuahua Vicinity of the playas just below the high r... R. M. Stewart 987 1941-7-30
Plantaginaceae A: 00078626 Maurandya coccinea I. M. Johnston Mexico: Coahuila 2 km. northeast of Rancho del Coyote, crevic... R. M. Stewart 2742 1942-9-24
Poaceae GH: 00023051 Andropogon spadiceus Swallen Mexico: Coahuila Canyon de Madera, western side of Sierra de ... R. M. Stewart 1504 1941-9-7
GH: 00023051 Andropogon ternarius Michaux Mexico: Coahuila Canyon de Madera, western side of Sierra de ... R. M. Stewart 1504 1941-9-7
GH: 00003163 Sporobolus airoides regis (I. M. Johnston) Wipff & S. D. Jones Mexico: Coahuila 4 km. southeast of Laguna del Ray, abundant ... R. M. Stewart 2653 1942-9-18
GH: 00003163 Sporobolus regis I. M. Johnston Mexico: Coahuila 4 km. southeast of Laguna del Ray, abundant ... R. M. Stewart 2653 1942-9-18
Polemoniaceae GH: 00091025 Gilia calothyrsa I. M. Johnston Mexico: Coahuila Igneous central mass of the Sierra de las Cr... R. M. Stewart 1044 1941-8-14
GH: 00091025 Ipomopsis macombii (Torrey ex A. Gray) V. E. Grant Mexico: Coahuila Igneous central mass of the Sierra de las Cr... R. M. Stewart 1044 1941-8-14
Primulaceae GH: 00073597 Samolus dichondrifolius Channell Mexico: Coahuila 1 km. southeast of Rancho del Coyote, base o... R. M. Stewart 2748 1942-9-25
Rutaceae GH: 00934086 Zanthoxylum arborescens Rose Mexico: Coahuila Western slopes of the Sierra del Carmen 8 km... R. M. Stewart 1704 1941-9-15
Selaginellaceae GH: 00022094 Selaginella viridissima Weatherby Mexico: Coahuila Cañon de Calabasa, north wall of Sierra Moj... R. M. Stewart 2204 1941-10-27
Solanaceae GH: 00987845 Capsicum frutescens Linnaeus Mexico: Coahuila Cañon de Milagro; eastern side of the Sierr... R. M. Stewart 1522 1941-9-10
GH: 00987842 Capsicum frutescens Linnaeus Mexico: Coahuila Cañon de Indio Felipe, ca. lat. 28° 33', a... R. M. Stewart 28 1940-9-27
GH: 00861678 Datura inoxia Miller Mexico: Coahuila Cañon de Tinaja Blanca, eastern slope of th... R. M. Stewart 632 1941-6-26
GH: 00861684 Datura inoxia Miller Mexico: Chihuahua Broad valley 5km. south of Rancho de Encinil... R. M. Stewart 712 1941-7-6
GH: 00861731 Datura inoxia inoxia Mexico: Coahuila Vicinity of Santa Elena Mines, calcareous ea... R. M. Stewart 1130 1941-8-12
GH: 00861797 Datura quercifolia Kunth Mexico: Chihuahua Vicinity of Fierro, (4 km. southeast of Ranc... R. M. Stewart 733 1941-7-8
GH: 00813381 Lycium berlandieri brevilobum C. L. Hitchcock Mexico: Coahuila 8 km. west of San guillermo; Valleys of nort... R. M. Stewart 1759 1941-9-19
GH: 00813394 Lycium californicum interior F. Chiang Mexico: Coahuila Llano de Guaje, flats in the bottom of the b... R. M. Stewart 1163 1941-8-25
GH: 00813470 Lycium sp. Mexico: Coahuila 2 km. east of La Palma; Vicinity of La Palma... R. M. Stewart 651 1941-7-5
GH: 00813472 Lycium sp. Mexico: Coahuila 1 km. northwest of Puerto del Aire, the pass... R. M. Stewart 1313 1941-9-1
GH: 00813473 Lycium sp. Mexico: Chihuahua 3 km. south of Progreso; Along road through ... R. M. Stewart 2311 1942-9-21
GH: 00815437 Nicotiana sp. Mexico: Coahuila Cañon de Hidalgo, Sierra Mojada; along the ... R. M. Stewart 1052 1941-8-4
GH: 00815426 Nicotiana sp. Mexico: Coahuila Rancho de las Uvas; Base of mountains along ... R. M. Stewart 2720 1942-9-23
GH: 00815422 Nicotiana sp. Mexico: Coahuila Cañon de Ybarra, the principal canyon at th... R. M. Stewart 1909 1941-9-23
GH: 00815421 Nicotiana sp. Mexico: Coahuila Vicinity of Santa Elena Mines, calcareous ea... R. M. Stewart 644 1941-6-27
GH: 00815420 Nicotiana sp. Mexico: Coahuila 8 km. west of Castillon, about Lat 28° 15' ... R. M. Stewart 558 1941-6-16
Verbenaceae GH: 02269569 Bouchea linifolia A. Gray ex Torrey Mexico: Coahuila Mesa Grande, high mesas 40 km. northwest of ... R. M. Stewart 1611 1941-9-14
GH: 02269568 Bouchea linifolia A. Gray ex Torrey Mexico: Coahuila Cañon de Milagro, a deep narrow box-canyon ... R. M. Stewart 1539 1941-9-10
GH: 02269563 Bouchea linifolia A. Gray ex Torrey Mexico: Coahuila Cañon del Gringo, northern slope of the Sie... R. M. Stewart 1035 1941-8-4
GH: 02269562 Bouchea linifolia A. Gray ex Torrey Mexico: Coahuila Sierra Planchada, 3 km. north of Sierra Moja... R. M. Stewart 645 1941-6-28
Vitaceae GH: 00814371 Vitis sp. Mexico: Coahuila Cañon del Indio Felipe, ca. lat. 28° 33'; ... R. M. Stewart 133 1940-9-27
GH: 00814370 Vitis sp. Mexico: Coahuila High mesa in the Sierra de la Encantada 8 km... R. M. Stewart 1425 1941-9-5
