]> Botany [collector note: MEXU, TEX, UC] Johnston, Marshall Conring, Chiang C., F., Wendt, T. L. & Riskind, D. Johnston, Marshall Conring, Chiang C., F., Wendt, T. L. & Riskind, D. M. C. Johnston, F. Chiang C., Wendt, T. L. & D. Riskind