| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CAOCO | Calystegia occidentalis (Gray) Brummitt ssp. occidentalis | chaparral false bindweed | Convolvulaceae
|
| CAOC6 | Calystegia occidentalis (Gray) Brummitt | chaparral false bindweed | Convolvulaceae
|
| CAPE18 | Calystegia peirsonii (Abrams) Brummitt | Peirson's false bindweed | Convolvulaceae
|
| CAPE34 | Calystegia pellita (Ledeb.) G. Don | hairy false bindweed | Convolvulaceae
|
| CAPO13 | Calystegia polymorpha (Greene) Munz | Calystegia occidentalis ssp. occidentalis var. occidentalis | Convolvulaceae
|
| CAPU17 | Calystegia pubescens Lindl. | Calystegia pellita | Convolvulaceae
|
| CAPUP2 | Calystegia purpurata (Greene) Brummitt ssp. purpurata | Pacific false bindweed | Convolvulaceae
|
| CAPUS | Calystegia purpurata (Greene) Brummitt ssp. saxicola (Eastw.) Brummitt | Pacific false bindweed | Convolvulaceae
|
| CAPUS2 | Calystegia purpurata (Greene) Brummitt ssp. solanensis (Jepson) Brummitt | Solano false bindweed | Convolvulaceae
|
| CAPU18 | Calystegia purpurata (Greene) Brummitt | Pacific false bindweed | Convolvulaceae
|
| CASEA2 | Calystegia sepium (L.) R. Br. ssp. americana (Sims) Brummitt | hedge false bindweed | Convolvulaceae
|
| CASEA3 | Calystegia sepium (L.) R. Br. ssp. angulata Brummitt | hedge false bindweed | Convolvulaceae
|
| CASEA4 | Calystegia sepium (L.) R. Br. ssp. appalachiana Brummitt | Appalachia false bindweed | Convolvulaceae
|
| CASEB | Calystegia sepium (L.) R. Br. ssp. binghamiae (Greene) Brummitt | Bingham's false bindweed | Convolvulaceae
|
| CASEE | Calystegia sepium (L.) R. Br. ssp. erratica Brummitt | hedge false bindweed | Convolvulaceae
|
| CASEL | Calystegia sepium (L.) R. Br. ssp. limnophila (Greene) Brummitt | hedge false bindweed | Convolvulaceae
|
| CASES | Calystegia sepium (L.) R. Br. ssp. sepium | hedge false bindweed | Convolvulaceae
|
| CASEA5 | Calystegia sepium (L.) R. Br. var. americana (Sims) Matsuda | Calystegia sepium ssp. americana | Convolvulaceae
|
| CASEA7 | Calystegia sepium (L.) R. Br. var. angulata (Brummitt) N. Holmgren | Calystegia sepium ssp. angulata | Convolvulaceae
|
| CASEF | Calystegia sepium (L.) R. Br. var. fraterniflora (Mackenzie & Bush) Shinners | Calystegia silvatica ssp. fraterniflora | Convolvulaceae
|
| CASEP | Calystegia sepium (L.) R. Br. var. pubescens Gray | Calystegia spithamaea ssp. purshiana | Convolvulaceae
|
| CASER | Calystegia sepium (L.) R. Br. var. repens (L.) Gray | Calystegia sepium ssp. angulata | Convolvulaceae
|
| CASE13 | Calystegia sepium (L.) R. Br. | hedge false bindweed | Convolvulaceae
|
| CASE20 | Calystegia sericata (House) Bell | Calystegia catesbiana | Convolvulaceae
|
| CASIF | Calystegia silvatica (Kit.) Griseb. ssp. fraterniflora (Mackenzie & Bush) Brummitt | shortstalk false bindweed | Convolvulaceae
|
| CASIS | Calystegia silvatica (Kit.) Griseb. ssp. silvatica | shortstalk false bindweed | Convolvulaceae
|
| CASI10 | Calystegia silvatica (Kit.) Griseb. | shortstalk false bindweed | Convolvulaceae
|
| CASO2 | Calystegia soldanella (L.) R. Br. ex Roemer & J.A. Schultes | seashore false bindweed | Convolvulaceae
|
| CASPP | Calystegia spithamaea (L.) Pursh ssp. purshiana (Wherry) Brummitt | low false bindweed | Convolvulaceae
|
| CASPS2 | Calystegia spithamaea (L.) Pursh ssp. spithamaea | low false bindweed | Convolvulaceae
|
| CASPS | Calystegia spithamaea (L.) Pursh ssp. stans (Michx.) Brummitt | low false bindweed | Convolvulaceae
|
| CASPP2 | Calystegia spithamaea (L.) Pursh var. pubescens (Gray) C.F. Reed | Calystegia spithamaea ssp. purshiana | Convolvulaceae
|
| CASP14 | Calystegia spithamaea (L.) Pursh | low false bindweed | Convolvulaceae
|
| CAST21 | Calystegia stebbinsii Brummitt | Stebbins' false bindweed | Convolvulaceae
|
| CASUE | Calystegia subacaulis Hook. & Arn. ssp. episcopalis Brummitt | hillside false bindweed | Convolvulaceae
|
| CASUS2 | Calystegia subacaulis Hook. & Arn. ssp. subacaulis | hillside false bindweed | Convolvulaceae
|
| CASU19 | Calystegia subacaulis Hook. & Arn. | hillside false bindweed | Convolvulaceae
|
| CALYS | Calystegia R. Br. | false bindweed | Convolvulaceae
|
| CAAN2 | Camassia angusta (Engelm. & Gray) Blank. | prairie camas | Liliaceae
|
| CACU2 | Camassia cusickii S. Wats. | Cusick's camas | Liliaceae
|
| CAES3 | Camassia esculenta (Raf.) Cory | Camassia scilloides | Liliaceae
|
| CAHO12 | Camassia howellii S. Wats. | Howell's camas | Liliaceae
|
| CALEL6 | Camassia leichtlinii (Baker) S. Wats. ssp. leichtlinii | large camas | Liliaceae
|
| CALES2 | Camassia leichtlinii (Baker) S. Wats. ssp. suksdorfii (Greenm.) Gould | Suksdorf's large camas | Liliaceae
|
| CALES3 | Camassia leichtlinii (Baker) S. Wats. var. suksdorfii (Greenm.) C.L. Hitchc. | Camassia leichtlinii ssp. suksdorfii | Liliaceae
|
| CALE5 | Camassia leichtlinii (Baker) S. Wats. | large camas | Liliaceae
|
| CAQUA | Camassia quamash (Pursh) Greene ssp. azurea (Heller) Gould | small camas | Liliaceae
|
| CAQUB2 | Camassia quamash (Pursh) Greene ssp. breviflora Gould | small camas | Liliaceae
|
| CAQUI | Camassia quamash (Pursh) Greene ssp. intermedia Gould | small camas | Liliaceae
|
| CAQUL2 | Camassia quamash (Pursh) Greene ssp. linearis Gould | small camas | Liliaceae
|
| CAQUM | Camassia quamash (Pursh) Greene ssp. maxima Gould | small camas | Liliaceae
|
| CAQUQ | Camassia quamash (Pursh) Greene ssp. quamash | small camas | Liliaceae
|
| CAQUT | Camassia quamash (Pursh) Greene ssp. teapeae (St. John) St. John | Camassia quamash ssp. quamash | Liliaceae
|
| CAQUU2 | Camassia quamash (Pursh) Greene ssp. utahensis Gould | Utah small camas | Liliaceae
|
| CAQUW | Camassia quamash (Pursh) Greene ssp. walpolei (Piper) Gould | Walpole's small camas | Liliaceae
|
| CAQUA2 | Camassia quamash (Pursh) Greene var. azurea (Heller) C.L. Hitchc. | Camassia quamash ssp. azurea | Liliaceae
|
| CAQUB3 | Camassia quamash (Pursh) Greene var. breviflora (Gould) C.L. Hitchc. | Camassia quamash ssp. breviflora | Liliaceae
|
| CAQUI2 | Camassia quamash (Pursh) Greene var. intermedia (Gould) C.L. Hitchc. | Camassia quamash ssp. intermedia | Liliaceae
|
| CAQUL3 | Camassia quamash (Pursh) Greene var. linearis (Gould) J.T. Howell | Camassia quamash ssp. linearis | Liliaceae
|
| CAQUM2 | Camassia quamash (Pursh) Greene var. maxima (Gould) Boivin | Camassia quamash ssp. maxima | Liliaceae
|
| CAQUU3 | Camassia quamash (Pursh) Greene var. utahensis (Gould) C.L. Hitchc. | Camassia quamash ssp. utahensis | Liliaceae
|
| CAQU2 | Camassia quamash (Pursh) Greene | small camas | Liliaceae
|
| CASC5 | Camassia scilloides (Raf.) Cory | Atlantic camas | Liliaceae
|
| CASU26 | Camassia suksdorfii Greenm. | Camassia leichtlinii ssp. suksdorfii | Liliaceae
|
| CAMAS | Camassia Lindl. | camas | Liliaceae
|
| CAAL21 | Camelina alyssum (P. Mill.) Thellung | Camelina sativa ssp. alyssum | Brassicaceae
|
| CADE19 | Camelina dentata Pers. | Camelina sativa ssp. alyssum | Brassicaceae
|
| CAMI2 | Camelina microcarpa DC. | littlepod false flax | Brassicaceae
|
| CAPA59 | Camelina parodii Ibarra & La Porte | Camelina sativa ssp. sativa | Brassicaceae
|
| CARU15 | Camelina rumelica Velen. | graceful false flax | Brassicaceae
|
| CASAA | Camelina sativa (L.) Crantz ssp. alyssum (P. Mill.) E. Schmid | gold-of-pleasure | Brassicaceae
|
| CASAM3 | Camelina sativa (L.) Crantz ssp. microcarpa (DC.) E. Schmid | Camelina microcarpa | Brassicaceae
|
| CASAS2 | Camelina sativa (L.) Crantz ssp. sativa | gold-of-pleasure | Brassicaceae
|
| CASA2 | Camelina sativa (L.) Crantz | gold-of-pleasure | Brassicaceae
|
| CAMEL | Camelina Crantz | false flax | Brassicaceae
|
| CAJA9 | Camellia japonica L. | camellia | Theaceae
|
| CARE24 | Camellia reticulata Lindl. | to-tsubaki | Theaceae
|
| CASA26 | Camellia sasanqua Thunb. | Sasanqua camellia | Theaceae
|
| CASIA2 | Camellia sinensis (L.) Kuntze var. assamica (J. Masters) Kitam. | Assam tea | Theaceae
|
| CASIS3 | Camellia sinensis (L.) Kuntze var. sinensis | tea | Theaceae
|
| CASI16 | Camellia sinensis (L.) O. Kuntze | tea | Theaceae
|
| CATH9 | Camellia thea Link | Camellia sinensis var. sinensis | Theaceae
|
| CATH10 | Camellia theifera Griffith | Camellia sinensis var. sinensis | Theaceae
|
| CAMEL2 | Camellia L. | camellia | Theaceae
|
| CAAN14 | Camissonia andina (Nutt.) Raven | Blackfoot River evening-primrose | Onagraceae
|
| CAAR20 | Camissonia arenaria (A. Nels.) Raven | Fortuna Range suncup | Onagraceae
|
| CAAT10 | Camissonia atwoodii Cronq. | Atwood's evening-primrose | Onagraceae
|
| CABA25 | Camissonia bairdii Welsh | Baird's evening-primrose | Onagraceae
|
| CABE7 | Camissonia benitensis Raven | San Benito suncup | Onagraceae
|
| CABI12 | Camissonia bistorta (Nutt. ex Torr. & Gray) Raven | southern suncup | Onagraceae
|
| CABOA | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. alyssoides (Hook. & Arn.) Raven | alyssum evening-primrose | Onagraceae
|
| CABOB | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. boothii | Booth's suncup | Onagraceae
|
| CABOC | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. condensata (Munz) Raven | shredding suncup | Onagraceae
|
| CABOD | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. decorticans (Hook. & Arn.) Raven | shredding suncup | Onagraceae
|
| CABOD2 | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. desertorum (Munz) Raven | desert suncup | Onagraceae
|
| CABOI | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. intermedia (Munz) Raven | Booth's evening-primrose | Onagraceae
|
| CABOI2 | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. inyoensis (Munz) Munz | Camissonia boothii ssp. desertorum | Onagraceae
|
| CABOR | Camissonia boothii (Dougl. ex Lehm.) Raven ssp. rutila (A. Davids.) Munz | Camissonia boothii ssp. decorticans | Onagraceae
|
| CABOA2 | Camissonia boothii (Dougl. ex Lehm.) Raven var. alyssoides (Hook. & Arn.) N.& P. Holmgren | Camissonia boothii ssp. alyssoides | Onagraceae
|
| CABOC2 | Camissonia boothii (Dougl. ex Lehm.) Raven var. condensata (Munz) Cronq. | Camissonia boothii ssp. condensata | Onagraceae
|
| CABOD3 | Camissonia boothii (Dougl. ex Lehm.) Raven var. decorticans (Hook. & Arn.) Cronq. | Camissonia boothii ssp. decorticans | Onagraceae
|