Acrosorium amphiroae Jaasund, 1976: 119, fig. 241 (intended type locality: Leopards Cove, Tanzania).—Jaasund, 1977a: 335–336.— Jaasund, 1977b: 408.— Lawson, 1980: 33.— Bolton & Stegenga, 1987: 170.
Misapplied name (fide Jaasund, 1977a: 336):
Nitophyllum decumbens.—Hauck, 1886 [1886–1889]: 218.— Schmitz, 1895a: 137.— Schmitz, 1895b: 27.— Lawson, 1980: 57.
INDIAN OCEAN DISTRIBUTION: Kenya, South Africa, Tanzania.
Note: When Jaasund (1976) first proposed the name Acrosorium amphiroae, he did not provide a Latin diagnosis or indicate a type, thus failing to satisfy Arts. 36.2 and 37.1. In his next treatment, Jaasund (1977a) supplied a Latin diagnosis but failed to indicate a type. The name is still invalid.