]> [author note: Herbarium and types: BO; additional material at A, BZF, GRO, L] [collector note: Col. 1937-41: A, BO, BZF, GRO, K, L, LAE, SING; Europe: L] Botany Buwalda, Pieter Buwalda, Pieter P. Buwalda Buwalda Pieter Buwalda 1909 1947