| Ferocactus viridescens (Torrey & A. Gray) Torrey & A. GrayBritton & Rose | |
| Family: Cactaceae | |
| Spanish Names: | biznaga |
| American Names: | San Diego barrel cactus |
| Duration: | Perennial |
| Succulence (Part): | Succulent (Stem) |
| Regional Nativity: | Yes |
| Growth Season: | Summer |
| Habitat: | chaparral |
| Bloom season: | Spring |
| Flower color: | Green |
