BioStor
 | The Birds of Vieques Island, Porto Rico Alexander Wetmore (1916) The Auk 33: 403-419 |
 | Studies in the flora of Lower California and adjacent islands Alice Eastwood (1929) Proceedings of the California Academy of Sciences 18: 393-484 |
 | Seven small plant collections in Costa Rica and neighboring Panama W A Dayton (1953) Phytologia 4: 223-265 |
 | The Enumeratio and Selectarum of Nicolaus Von Jacquin R A Howard (1973) Journal of the Arnold Arboretum 54: 435-470 |
 | The sexuality of the Barro Colorado Island flora (Panama) Thomas B Croat (1979) Phytologia 42: 319-348 |