Hickenia microsperma
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Hickenia microsperma (F.A.C. Weber) Britton & Rose [Synonym] = Hickenia microsperma (F.A.C. Weber) Britton & Rose (Asclepiadaceae)
Engish:
Microsperma
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protologue: Cactaceae 3: 207 (1922)

2 513709 Hickenia microsperma (F.A.C. Weber) Britton & Rose [0]
N.L. Britton, J.N. Rose, Cact., vol. 3 : t. 23 (1922) [M.E. Eaton]