]> [author note: VPI] [collector note: Galapagos Is.: CSD (orig.?), Mexico: E (col. ± 1960), Nicaragua: GH (col. 1963), Panama & Missouri: MO (orig.?, col. et al.)] Botany Porter, Duncan MacNair Porter, Duncan MacNair D. M. Porter Duncan M. Porter Porter, D. M. Porter, Duncan M. Porter, Duncan MacNair et alia 1937