- Cakile edentula
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Cakile edule
- Picture 1
- Picture 2
- Calamagrostis canadensis
- Calandrinia breweri
- Calandrinia ciliata
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Picture 9
- Picture 10
- Calochortus albus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Calochortus catalinae
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Picture 9
- Picture 10
- Calochortus clavatus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Calochortus clavatus ssp. clavatus
- Picture 1
- Picture 2
- Calochortus clavatus ssp. pallidus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Calochortus luteus
- Picture 1
- Picture 2
- Calochortus obispoensis
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picture 4 (Rare)
- Picture 5 (Rare)
- Picture 6 (Rare)
- Picture 7 (Rare)
- Picture 8 (Rare)
- Picture 9 (Rare)
- Calochortus plummerae
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picture 4 (Rare)
- Picture 5 (Rare)
- Picture 6 (Rare)
- Picture 7 (Rare)
- Picture 8 (Rare)
- Picture 9 (Rare)
- Picture 10 (Rare)
- Picture 11 (Rare)
- Picture 12 (Rare)
- Picture 13 (Rare)
- Picture 14 (Rare)
- Picture 15 (Rare)
- Picture 16 (Rare)
- Calochortus splendens
- Picture 1
- Picture 2
- Calochortus tiburonensis
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picture 4 (Rare)
- Picture 5 (Rare)
- Picture 6 (Rare)
- Calochortus uniflorus
- Picture 1
- Picture 2
- Calochortus venustus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Calochortus weedii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Calochortus weedii var. weedii
- Calyptridium monandrum
- Picture 1
- Picture 2
- Calystegia macrostegia ssp. cyclostegia
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Calystegia soldanella
- Picture 1
- Picture 2
- Picture 3
- Calystegia subacaulis
- Picture 1
- Picture 2
- Camissonia bistorta
- Picture 1
- Picture 2
- Camissonia boothii ssp. decorticans
- Picture 1
- Picture 2
- Camissonia californica
- Picture 1
- Picture 2
- Camissonia cheiranthifolia
- Camissonia cheiranthifolia ssp. suffruticosa
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Camissonia micrantha
- Picture 1
- Picture 2
- Picture 3
- Camissonia ovata
- Picture 1
- Picture 2
- Capsella bursa-pastoris
- Cardamine californica
- Picture 1
- Picture 2
- Cardaria draba
- Cardionema ramosissima
- Picture 1
- Picture 2
- Carduus pycnocephalus
- Carex aquatilis
- Carpenteria californica
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Carpobrotus chilensis
- Picture 1
- Picture 2
- Picture 3
- Carpobrotus edulis
- Picture 1
- Picture 2
- Picture 3
- Castilleja affinis
- Picture 1
- Picture 2
- Picture 3
- Castilleja densiflora ssp. gracilis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Castilleja exserta
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5 (Santa Cruz Island)
- Picture 6 (Santa Cruz Island)
- Picture 7
- Picture 8
- Picture 9
- Picture 10 (albino)
- Picture 11 (albino)
- Picture 12
- Picture 13
- Picture 14
- Castilleja foliolosa
- Picture 1
- Picture 2
- Castilleja latifolia
- Ceanothus crassifolius
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Picture 9
- Picture 10
- Ceanothus cuneatus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Ceanothus cuneatus var. fascicularis
- Picture 1
- Picture 2
- Ceanothus hearstiorum
- Picture 1 (Rare)
- Picture 2
- Picture 3
- Picture 4
- Ceanothus integerrimus
- Ceanothus megacarpus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Ceanothus oliganthus
- Ceanothus papillosus var. papillosus
- Picture 1
- Picture 2
- Ceanothus papillosus var. roweanus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Ceanothus spinosus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Ceanothus thyrsiflorus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
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- Ceanothus verrucosus
- Picture 1
- Picture 2
- Picture 3
- Centaurea calcitrapa
- Picture 1
- Picture 2
- Picture 3
- Centaurea melitensis
- Centaurea solstitialis
- Centaurium davyi
- Picture 1
- Picture 2
- Picture 3
- Centaurium venustum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Cerastium arvense
- Cerastium glomeratum
- Cercis occidentalis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6 (fruits)
- Cercocarpus betuloides
- Picture 1
- Picture 2
- Picture 3
- Cercocarpus betuloides leaves
- Chaenactis artemisiifolia
- Picture 1
- Picture 2
- Chaenactis glabriuscula
- Picture 1
- Picture 2
- Picture 3
- Chamaesyce maculata
- Picture 1
- Picture 2
- Chamaesyce polycarpa
- Chamomilla suaveolens
- Cheilanthes clevelandii
- Chenopodium album
- Picture 1
- Picture 2
- Chenopodium californicum
- Picture 1
- Picture 2
- Picture 3
- Chenopodium murale
- Picture 1
- Picture 2
- Chlorogalum pomeridianum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Picture 9
- Chorizanthe douglasii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Chorizanthe palmeri
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Picture 9
- Chorizanthe parryi var. fernandina
- Picture 1 (Rare)
- Picture 2 (Rare)
- Picture 3 (Rare)
- Picture 4 (Rare)
- Chorizanthe staticoides
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Cichorium intybus
- Picture 1
- Picture 2
- Picture 3
- Cirsium occidentale
- Cirsium occidentale var. californicum
- Picture 1
- Picture 2
- Picture 3
- Cirsium occidentale var. candidissimum
- Picture 1
- Picture 2
- Cirsium occidentale var. occidentale
- Cirsium occidentale var. venustum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Cirsium vulgare
- Picture 1
- Picture 2
- Picture 3
- Clarkia bottae
- Picture 1
- Picture 2
- Picture 3
- Clarkia cylindrica
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Clarkia epilobioides
- Clarkia purpurea ssp. quadrivulnera
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Clarkia speciosa
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Clarkia unguiculata
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Claytonia perfoliata
- Picture 1
- Picture 2
- Picture 3
- Clematis lasiantha
- Picture 1 (seeds)
- Picture 2
- Picture 3
- Picture 4 (fruits)
- Picture 5 (fruits)
- Picture 6
- Picture 7 (fruits)
- Picture 8 (fruits)
- Clematis ligusticifolia
- Picture 1 (fruits)
- Picture 2
- Picture 3
- Picture 4
- Cneoridium dumosum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Collinsia heterophylla
- Picture 1
- Picture 2 (postfire growth)
- Picture 3
- Comarostaphylis diversifolia
- Picture 1
- Picture 2
- Picture 3
- Picture 4 (fruits)
- Conicosia pugioniformis
- Conium maculatum
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Convolvulus arvensis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
- Conyza bonariensis
- Picture 1
- Picture 2
- Picture 3
- Cordylanthus rigidus ssp. setigerus
- Picture 1
- Picture 2
- Coreopsis bigelovii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Coreopsis gigantea
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Coreopsis maritima
- Picture 1
- Picture 2
- Picture 3
- Corydalis caseana ssp. caseana
- Picture 1
- Picture 2
- Cotula coronopifolia
- Picture 1
- Picture 2
- Crassula connata
- Croton californicus
- Cryptantha clevelandii
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Cucurbita foetidissima
- Picture 1
- Picture 2 (fruit)
- Picture 3 (flower)
- Cupressus forbesii
- Picture 1
- Picture 2
- Picture 3
- Picture 4 (bark)
- Picture 5 (bark)
- Picture 6 (bark)
- Cupressus macrocarpa
- Cuscuta californica
- Cuscuta sp.
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Cynodon dactylon
- Picture 1
- Picture 2
- Cynoglossum grande
- Cyperus eragrostis
- Picture 1
- Picture 2
- Picture 3
- Cystoseira osmundaceae (Brown algae)
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