- Acarospora badiofusca, Acarospora boulderensis;Acarospora californica
- Aspidotis californica, California lacefern;Cheilanthes californica
- Asterella californica, Fimbraria californica
- Cornus sericea, Red-osier Dogwood;Cornus alba subsp stolonifera (Michaux) Wangerin;Cornus stolonifera Michx;Swida sericea (L) Holub;Thelycrania sericea (L) Dandy;Thelycrania stolonifera (Michx) Pojark;Redosier dogwood;Yellow twig dogwood;Cornus stolonifera;Cornus californica;Western dogwood
- Elymus californica, Hystrix californica
- Formica whymperi, Formica microgyna californica;Formica microgyna rasilis_pullula;Formica microgyna scalifornica_hybrida
- Frangula californica, California Buckthorn;Rhamnus californica
- Frullania californica, Frullania grayana var californica
- Kaernefeltia californica, Alectoria californica;Alectoria cetrariza;Cetraria californica;Cornicularia californica;Tuckermannopsis californica
- Leptodactylon californicum, California prickly phlox;Linanthus californicus;Gilia californica
- Letharia columbiana, Letharia californica;Letharia vulpina f californica;Borrera columbiana
- Morella californica, California wax myrtle;Pacific Bayberry;Pacific Waxmyrtle;Western Waxmyrtle;Myrica californica
- Mycoporum californicum, Tomasellia californica;Mycoporellum californicum
- Ochrolechia oregonensis, Ochrolechia californica
- Ptilidium californicum, Lepidozia californica
- Sarcogyne similis, Sarcogyne californica
- Schinia suetus, Schinia sueta;Schinia sueta californica;Schinia sueta martini;Schinia sueta sierra
- Sigridea californica, Dirina californica;Dirina hassei;Platygrapha californica;Schismatomma californicum
- Trapeliopsis glaucopholis, Lecidea glaucopholis;Trapeliopsis californica;Trapeliopsis wallrothii
- Vahliella californica, Fuscopannaria californica;Pannaria microphylla var californica
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