]> [author note: Herbarium and types: BPI (US); additional material at A, C, F, IAC, L, MIN, NY] [collector note: mycologist & phytopathologist; NY, UPR, US] Botany Stevenson, John Albert Stevenson, John Albert J. A. Stev. J. A. Stevenson Stevenson, J. A. 1890 1979