Most Common Species
Showing 20 most frequently observed species out of 78 total documented species.
Pinus sabiniana
Bull Pine
Very Common9.77 obs.
Pseudacris regilla
Pacific Chorus Frog
Very Common2.8 obs.
Toxicodendron diversilobum
Pacific Poison Oak
Very Common2.25 obs.
Phacelia cicutaria
Caterpillar Phacelia
Very Common2.07 obs.
Lamium amplexicaule
Henbit
Very Common1.89 obs.
Sceloporus occidentalis
Western Fence Lizard
Common1.8 obs.
Heteromeles arbutifolia
Toyon
Common1.45 obs.
Calypte anna
Anna'S Hummingbird
Common1.43 obs.
Aesculus californica
California Buckeye
Common1.37 obs.
Dipterostemon capitatus
Common1.35 obs.
Aquarius remigis
Common Water Strider
Common1.22 obs.
Eriodictyon californicum
Occasional1.18 obs.
Pentagramma triangularis
Gold Fern
Occasional1.17 obs.
Trifolium subterraneum
Subterranean Clover
Occasional1.17 obs.
Eschscholzia caespitosa
Tufted California-Poppy
Occasional1.13 obs.
Erythranthe marmorata
Occasional1.11 obs.
Nemophila heterophylla
Occasional1.1 obs.
Plagiobothrys nothofulvus
Popcorn-Flower
Rare1.09 obs.
Bombus crotchii
Crotch Bumble Bee
Rare1.08 obs.
Cynips douglasi
Rare1.03 obs.
Want the Complete Field Guide?
Get all 78 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.