Science magazines
- San Benito Evening-primrose
- San Bernadino Mountains Bladderpod
- San Bernardino Bluegrass
- San Bernardino Merriam's Kangaroo Rat
- San Bruno Elfin Butterfly
- San Clemente Island Broom
- San Clemente Island Bush-mallow
- San Clemente Island Indian Paintbrush
- San Clemente Island Larkspur
- San Clemente Island Sage Sparrow
- San Clemente Island Woodland-star
- San Clemente Loggerhead Shrike
- San Diego Button-celery
- San Diego Fairy Shrimp
- San Diego Mesa Mint
- San Diego Thornmint
- San Esteban Island Chuckwalla
- San Francisco Garter Snake
- San Francisco Lessingia
- San Francisco Peaks Groundsel