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World Checklist of Selected Plant Families (WCSP)



Asclepias rigida (E.Mey.) Schltr., J. Bot. 33: 357 (1895).

Original Compiler: R.Govaerts
This name is not Accepted by:

Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne. [as Pachycarpus rigidus]

Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria. [as Pachycarpus rigidus]