Verbatim text: Primack, R. B. and R. Wyatt. 1975. Variation and taxonomy of Pyxidanthera (Diapensiaceae). Brittonia 27: 115–118.
Author: Primack, R.B., Wyatt, R.
Year: 1975
Title: Variation and taxonomy of Pyxidanthera (Diapensiaceae)
Journal: Brittonia
Volume: 27
Pages: 115–118