Brassicaceae GH: 00944144 Boechera texana Windham & Al-Shehbaz USA: Texas Victorio Canyon, E. margin of Sierra Diablo M. C. Johnston, T. L. Wendt & F. C... 10716 1973-4-18
GH: 01168401 Lepidium virginicum pubescens (Greene) C. L. Hitchcock Mexico: [data not captured] M. C. Johnston, T. L. Wendt & F. C... 10225 1973-3-16
GH: 01168400 Lepidium virginicum pubescens (Greene) C. L. Hitchcock Mexico: [data not captured] M. C. Johnston, T. L. Wendt & F. C... 10203 1973-3-15
GH: 01168399 Lepidium virginicum pubescens (Greene) C. L. Hitchcock Mexico: [data not captured] M. C. Johnston, T. L. Wendt & F. C... 1026 1973-3-17
GH: 01575960 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Texas Victorio Canyon, E. margin of Sierra Diablo,... M. C. Johnston, T. L. Wendt & F. C... 10690 1973-4-18
GH: 00019449 Raphanorhyncha crassa Rollins Mexico: Chihuahua 25.5 km north of the Camargo-Jiemenez Highwa... M. C. Johnston, T. L. Wendt & F. C... 10536 1973-4-2
Polygalaceae GH: 00025932 Polygala madrensis T. Wendt Mexico: Tamaulipas 18 km. by winding road southeast of Bustaman... M. C. Johnston, T. L. Wendt & F. C... 11153 1973-5-20