SANTA ROSA ISLAND NATURAL HISTORY

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Channel Islands Slender Salamander
Santa Rosa Island


SANTA ROSA ISLAND NATURAL HISTORY:


Native terrestrial mammals:


Non-native terrestrial mammals: Horses


Native amphibians (2):


Native reptiles (3):


BOTANY: The flora of Santa Rosa Island includes about 403 native taxa, 42 California Islands endemics, and 120 non-native taxa for a total of 523 species.

The five plant taxa which have been found only on Santa Rosa Island are:

  • Arctostaphylos confertiflora (Santa Rosa Island manzanita)
  • Dudleya blochmaniae subsp. insularis (Santa Rosa Island live-forever)
  • Dudleya gnoma (East Point dwarf dudleya)
  • Gilia tenuiflora subsp. hoffmannii (Hoffmann’s slender-flowered gilia)
  • Pinus torreyana subsp. insularis (Santa Rosa Island Torrey pine)