Verbatim text: Moran, R. V. 1995. The subspecies of Dudleya virens (Crassulaceae). Haseltonia 3: 1–9.
Author: Moran, R.V.
Year: 1995
Title: The subspecies of Dudleya virens (Crassulaceae)
Journal: Haseltonia
Volume: 3
Pages: 1–9