Harvard University Herbaria & Libraries

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Brassicaceae
GH: 00974427 Arabis petiolaris (A. Gray) A. Gray USA: Texas Rollingwood, in extreme southwestern part of... M. C. Johnston 2431 1955-5-1
GH: 00974434 Arabis petiolaris (A. Gray) A. Gray USA: Texas near Manchaca M. C. Johnston 2427 1955-5-1
GH: 01084602 Dimorphocarpa wislizenii (J. Engleman) Rollins USA: New Mexico 25.4 mi west-southwest of Las Cruces. M. C. Johnston 2722 1955-8-10
GH: 01561539 Dryopetalon viereckii (O. E. Schulz) Al-Shehbaz USA: Texas Santa Ana National Wildlife Refuge south of ... M. C. Johnston 5260 1960-4-7
GH: 01538098 Erysimum capitatum (Douglas ex Hooker) Greene USA: Texas 4 miles southeast of Muleshoe on U.S. 84 M. C. Johnston 6552 1961-6-28
GH: 01538103 Erysimum capitatum (Douglas ex Hooker) Greene USA: Texas Top of Elephant Mesa on Nevill Ranch about 3... M. C. Johnston 6428 1961-6-20
GH: 01546827 Lepidium austrinum Small USA: Texas Austin. M. C. Johnston 2426 1955-5-1
GH: 01546830 Lepidium austrinum Small USA: Texas Austin, in Zilker Park, near the Colorado Ri... M. C. Johnston 2432 1955-5-1
GH: 01546833 Lepidium austrinum Small USA: Texas Manchaca M. C. Johnston 2428 1955-5-1
GH: 01548222 Lepidium densiflorum Schrader USA: Texas Bovina M. C. Johnston 6561 1961-6-28
GH: 01549860 Lepidium virginicum Linnaeus USA: Texas 6 miles west of Tyler on Tex. 64 M. C. Johnston 6608 1961-7-13
GH: 01550122 Mostacillastrum purpusii (Brandegee) Al-Shehbaz USA: Texas McCormick Ranch; southwest of Old Smith Ranc... M. C. Johnston [data not captured] 3735 1959-3-1
GH: 01550123 Mostacillastrum purpusii (Brandegee) Al-Shehbaz USA: Texas McCormick Ranch; southwest of old Smith Ranc... M. C. Johnston [data not captured] 3736 1959-3-1
GH: 01550125 Mostacillastrum purpusii (Brandegee) Al-Shehbaz USA: Texas McCormick Ranch; southwest of old Smith Ranc... M. C. Johnston [data not captured] 3736 1959-3-1
GH: 01550126 Mostacillastrum purpusii (Brandegee) Al-Shehbaz USA: Texas McCormick Ranch; southwest of old Smith Ranc... M. C. Johnston [data not captured] 3734 1959-3-1
GH: 01575556 Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz USA: New Mexico 25.4 miles west-southwest of Las Cruces M. C. Johnston 2724 1955-8-10
GH: 01731191 Thelypodium texanum (Cory) Rollins USA: Texas 2-3 mi. west of Terlingua on the Lajitas hig... M. C. Johnston 5263 1960-4-16
Convolvulaceae
GH: 02057172 Cuscuta pentagona pubescens Engelmann USA: Texas Cristal Pasture, Norias division of King ran... M. C. Johnston 2434 1955-5-1
Euphorbiaceae
GH: 00047695 Euphorbia jejuna Warnock & M. C. Johnston USA: Texas A few miles west of Sweetwater between Inter... M. C. Johnston 3967 1959-4-19
Phyllanthaceae
GH: 01971603 Phyllanthus polygonoides Nuttall ex Sprengel USA: Texas Clay Dunes, Loma del Cayo M. C. Johnston 147-5 1952-6
GH: 01971676 Phyllanthus warnockii G. L. Webster USA: New Mexico 18 miles south of Alamogordo on U.S. 54 M. C. Johnston 2727 1955-8-12
Rubiaceae
GH: 00057580 Chiococca henricksonii M. C. Johnston Mexico: Coahuila Southwestern end of the Sierra de la Fragua,... M. C. Johnston 8738 1941
Rutaceae
GH: 00044216 Thamnosma pailense M. C. Johnston Mexico: Coahuila Sierra de la Paila, north slope, south-south... M. C. Johnston 12751 1983-2-5