12c. Eumachia obovoidea subsp. rhytidophloea (Verdc.) C.M. Taylor, comb. nov.

Ξ Chazaliella obovoidea subsp. rhytidophloea Verdc. in Kew Bull. 31: 808. 1977 .

Typus: DEMOCRATIC REPUBLIC OF CONGO: Ifamu, IX.1921, Vanderyst 10578 (holo-: BR [BR0000008482426] image seen) .

Note. – This subspecies is found in Cameroon and Democratic Republic of Congo (VERDCOURT, 1977).