| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CADA4 | Calochortus davidsonianus Abrams | Calochortus splendens | Liliaceae
|
| CADO3 | Calochortus douglasianus J.H. Schultes | Calochortus macrocarpus var. macrocarpus | Liliaceae
|
| CADU | Calochortus dunnii Purdy | Dunn's mariposa lily | Liliaceae
|
| CAELE | Calochortus elegans Pursh var. elegans | elegant mariposa lily | Liliaceae
|
| CAELL | Calochortus elegans Pursh var. lobbii Baker | Calochortus tolmiei | Liliaceae
|
| CAELN | Calochortus elegans Pursh var. nanus Wood | elegant mariposa lily | Liliaceae
|
| CAELO | Calochortus elegans Pursh var. oreophilus Ownbey | elegant mariposa lily | Liliaceae
|
| CAELS | Calochortus elegans Pursh var. selwayensis (St. John) Ownbey | Selway mariposa lily | Liliaceae
|
| CAEL | Calochortus elegans Pursh | elegant mariposa lily | Liliaceae
|
| CAEU | Calochortus eurycarpus S. Wats. | white mariposa lily | Liliaceae
|
| CAEX2 | Calochortus excavatus Greene | Inyo County star-tulip | Liliaceae
|
| CAFL | Calochortus flexuosus S. Wats. | winding mariposa lily | Liliaceae
|
| CAGR | Calochortus greenei S. Wats. | Greene's mariposa lily | Liliaceae
|
| CAGUG | Calochortus gunnisonii S. Wats. var. gunnisonii | Gunnison's mariposa lily | Liliaceae
|
| CAGUP | Calochortus gunnisonii S. Wats. var. perpulcher Cockerell | Gunnison's mariposa lily | Liliaceae
|
| CAGU | Calochortus gunnisonii S. Wats. | Gunnison's mariposa lily | Liliaceae
|
| CAHO11 | Calochortus howellii S. Wats. | Howell's mariposa lily | Liliaceae
|
| CAIN18 | Calochortus indecorus Ownbey & M.E. Peck | Sexton Mountain mariposa lily | Liliaceae
|
| CAIN3 | Calochortus invenustus Greene | plain mariposa lily | Liliaceae
|
| CAKEK2 | Calochortus kennedyi Porter var. kennedyi | desert mariposa lily | Liliaceae
|
| CAKEM | Calochortus kennedyi Porter var. munzii Jepson | desert mariposa lily | Liliaceae
|
| CAKE | Calochortus kennedyi Porter | desert mariposa lily | Liliaceae
|
| CALE3 | Calochortus leichtlinii Hook. f. | smokey mariposa | Liliaceae
|
| CALO10 | Calochortus lobbii sensu Purdy | Calochortus subalpinus | Liliaceae
|
| CALOL | Calochortus longebarbatus S. Wats. var. longebarbatus | longbeard mariposa lily | Liliaceae
|
| CALOP4 | Calochortus longebarbatus S. Wats. var. peckii Ownbey | longbeard mariposa lily | Liliaceae
|
| CALO3 | Calochortus longebarbatus S. Wats. | longbeard mariposa lily | Liliaceae
|
| CALUC2 | Calochortus luteus Dougl. ex Lindl. var. citrinus S. Wats. | Calochortus superbus | Liliaceae
|
| CALUC | Calochortus luteus Dougl. ex Lindl. var. concolor Baker | Calochortus concolor | Liliaceae
|
| CALUO | Calochortus luteus Dougl. ex Lindl. var. oculatus S. Wats. | Calochortus vestae | Liliaceae
|
| CALU9 | Calochortus luteus Dougl. ex Lindl. | yellow mariposa lily | Liliaceae
|
| CALY | Calochortus lyallii Baker | Lyall's mariposa lily | Liliaceae
|
| CAMAM9 | Calochortus macrocarpus Dougl. var. macrocarpus | sagebrush mariposa lily | Liliaceae
|
| CAMAM | Calochortus macrocarpus Dougl. var. maculosus (A. Nels. & J.F. Macbr.) A. Nels. & J.F. Macbr. | Nez Perce mariposa lily | Liliaceae
|
| CAMA5 | Calochortus macrocarpus Dougl. | sagebrush mariposa lily | Liliaceae
|
| CAMA43 | Calochortus maculosus A. Nels. & J.F. Macbr. | Calochortus macrocarpus var. maculosus | Liliaceae
|
| CAMA44 | Calochortus maweanus Leichtl. | Calochortus tolmiei | Liliaceae
|
| CAMI | Calochortus minimus Ownbey | Sierra mariposa lily | Liliaceae
|
| CAMO2 | Calochortus monanthus Ownbey | Shasta River mariposa lily | Liliaceae
|
| CAMO3 | Calochortus monophyllus (Lindl.) Lem. | yellow star-tulip | Liliaceae
|
| CANA8 | Calochortus nanus (Wood) Piper | Calochortus elegans var. nanus | Liliaceae
|
| CANI | Calochortus nitidus Dougl. | broadfruit mariposa lily | Liliaceae
|
| CANUS | Calochortus nudus S. Wats. var. shastensis (Purdy) Jepson | Calochortus nudus | Liliaceae
|
| CANU2 | Calochortus nudus S. Wats. | naked mariposa lily | Liliaceae
|
| CANUA | Calochortus nuttallii Torr. & Gray var. aureus (S. Wats.) Ownbey | Calochortus aureus | Liliaceae
|
| CANUB | Calochortus nuttallii Torr. & Gray var. bruneaunis (A. Nels. & J.F. Macbr.) Ownbey | Calochortus bruneaunis | Liliaceae
|
| CANUP | Calochortus nuttallii Torr. & Gray var. panamintensis Ownbey | Calochortus panamintensis | Liliaceae
|
| CANU3 | Calochortus nuttallii Torr. & Gray | sego lily | Liliaceae
|
| CAOB | Calochortus obispoensis J.G. Lemmon | San Luis mariposa lily | Liliaceae
|
| CAPAM | Calochortus palmeri S. Wats. var. munzii Ownbey | Munz's mariposa lily | Liliaceae
|
| CAPAP4 | Calochortus palmeri S. Wats. var. palmeri | Palmer's mariposa lily | Liliaceae
|
| CAPA3 | Calochortus palmeri S. Wats. | Palmer's mariposa lily | Liliaceae
|
| CAPA56 | Calochortus paludicola A. Davids. | Calochortus palmeri var. palmeri | Liliaceae
|
| CAPA45 | Calochortus panamintensis (Ownbey) Reveal | Panamint Mountain mariposa lily | Liliaceae
|
| CAPE | Calochortus persistens Ownbey | Siskiyou mariposa lily | Liliaceae
|
| CAPL2 | Calochortus plummerae Greene | Plummer's mariposa lily | Liliaceae
|
| CAPU2 | Calochortus pulchellus Dougl. ex Benth. | Mount Diablo fairy-lantern | Liliaceae
|
| CAPU27 | Calochortus purdyi Eastw. | Calochortus tolmiei | Liliaceae
|
| CARA16 | Calochortus raichei Farwig & Girard | Cedars mariposa lily | Liliaceae
|
| CARH7 | Calochortus rhodothecus Clokey | Calochortus pulchellus | Liliaceae
|
| CASE18 | Calochortus selwayensis St. John | Calochortus elegans var. selwayensis | Liliaceae
|
| CASH5 | Calochortus shastensis Purdy | Calochortus nudus | Liliaceae
|
| CASI7 | Calochortus simulans (Hoover) Munz | San Luis Obispo mariposa lily | Liliaceae
|
| CASP | Calochortus splendens Dougl. ex Benth. | splendid mariposa lily | Liliaceae
|
| CAST2 | Calochortus striatus Parish | alkali mariposa lily | Liliaceae
|
| CASU2 | Calochortus subalpinus Piper | subalpine mariposa lily | Liliaceae
|
| CASU3 | Calochortus superbus Purdy ex J.T. Howell | yellow mariposa | Liliaceae
|
| CATI3 | Calochortus tiburonensis A.J. Hill | Tiburon mariposa lily | Liliaceae
|
| CATO | Calochortus tolmiei Hook. & Arn. | Tolmie star-tulip | Liliaceae
|
| CAUM | Calochortus umbellatus Wood | Oakland mariposa lily | Liliaceae
|
| CAUM5 | Calochortus umpquaensis N.A. Fredricks | Umpqua mariposa lily | Liliaceae
|
| CAUN | Calochortus uniflorus Hook. & Arn. | Monterey mariposa lily | Liliaceae
|
| CAVEC | Calochortus venustus Dougl. ex Benth. var. carolii Cockerell | Calochortus venustus | Liliaceae
|
| CAVEP | Calochortus venustus Dougl. ex Benth. var. purpurascens S. Wats. | Calochortus venustus | Liliaceae
|
| CAVES | Calochortus venustus Dougl. ex Benth. var. sanguineus Horton | Calochortus venustus | Liliaceae
|
| CAVES2 | Calochortus venustus Dougl. ex Benth. var. sulphureus Purdy | Calochortus venustus | Liliaceae
|
| CAVE3 | Calochortus venustus Dougl. ex Benth. | butterfly mariposa lily | Liliaceae
|
| CAVE4 | Calochortus vestae Purdy | coast range mariposa lily | Liliaceae
|
| CAWAA | Calochortus watsonii M.E. Jones var. ambiguus M.E. Jones | Calochortus ambiguus | Liliaceae
|
| CAWEI | Calochortus weedii Wood var. intermedius Ownbey | Weed's mariposa lily | Liliaceae
|
| CAWEV | Calochortus weedii Wood var. vestus Purdy | Weed's mariposa lily | Liliaceae
|
| CAWEW | Calochortus weedii Wood var. weedii | Weed's mariposa lily | Liliaceae
|
| CAWE | Calochortus weedii Wood | Weed's mariposa lily | Liliaceae
|
| CAWE2 | Calochortus westonii Eastw. | Shirley Meadows mariposa lily | Liliaceae
|
| CALOC | Calochortus Pursh | mariposa lily | Liliaceae
|
| CAEC2 | Caloncoba echinata (Oliver) Gilg | caloncoba | Flacourtiaceae
|
| CALON | Caloncoba Gilg | caloncoba | Flacourtiaceae
|
| CAAC8 | Calonyction aculeatum (L.) House | Ipomoea alba | Convolvulaceae
|
| CAMU25 | Calonyction muricatum G.Don | Ipomoea turbinata | Convolvulaceae
|
| CATU8 | Calonyction tuba (Schlecht.) Colla | Ipomoea violacea | Convolvulaceae
|
| CAFU5 | Calopadia fusca (Mull. Arg.) Vezda | | Ectolechiaceae
|
| CAPU34 | Calopadia puiggarii (Mull. Arg.) Vezda | | Ectolechiaceae
|
| CALOP5 | Calopadia Vezda | calopadia | Ectolechiaceae
|
| CAAN21 | Calophanes angusta Gray | Dyschoriste angusta | Acanthaceae
|
| CADE18 | Calophanes decumbens Gray | Dyschoriste decumbens | Acanthaceae
|
| CAHU4 | Calophanes humistrata (Michx.) Shuttlw. ex Nees | Dyschoriste humistrata | Acanthaceae
|
| CALI15 | Calophanes linearis (Torr. & Gray) Gray | Dyschoriste linearis | Acanthaceae
|
| CAAN22 | Calophyllum antillanum Britt. | Antilles calophyllum | Clusiaceae
|
| CABRA3 | Calophyllum brasiliense Camb. var. antillanum (Britt.) Standl. | Calophyllum antillanum | Clusiaceae
|
| CABR27 | Calophyllum brasiliense auct. non Camb. | Calophyllum antillanum | Clusiaceae
|
| CACA31 | Calophyllum calaba Jacq., non L. | Calophyllum antillanum | Clusiaceae
|