Taxon:
Echinocactus viridescens Torr. & A. Gray
Summary
Place of publication:
Fl. N. Amer. 1:554. 1840
Verified:
10/14/1986
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Anderson, E. F. 2001. The cactus family
- Backeberg, C. 1967. Die Cactaceae. 2730.
- Benson, L. 1982. The cacti of the United States and Canada 950.
- Bravo-Hollis, H. & H. Sánchez-Mejorada. 1937. Las Cactáceas de México, vol. 1 - 1978, vols. 2,3 - 1991 435.
- Liberty Hyde Bailey Hortorium. 1976. Hortus third.
- Munz, P. A. & D. D. Keck. 1959. A California flora.