| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CAMU12 | Canavalia munroi (O.& I. Deg.) St. John | Canavalia pubescens | Fabaceae
|
| CANA4 | Canavalia napaliensis St. John | Makaha Valley jackbean | Fabaceae
|
| CANI7 | Canavalia nitida (Cav.) Piper | Bahama baybean | Fabaceae
|
| CANU9 | Canavalia nualoloensis St. John | Canavalia napaliensis | Fabaceae
|
| CAPE14 | Canavalia peninsularis St. John | Canavalia molokaiensis | Fabaceae
|
| CAPL16 | Canavalia plagiosperma Piper | obliqueseeded jackbean | Fabaceae
|
| CAPU14 | Canavalia pubescens Hook. & Arn. | lavafield jackbean | Fabaceae
|
| CARO11 | Canavalia rockii St. John | Canavalia hawaiiensis | Fabaceae
|
| CARO26 | Canavalia rosea (Sw.) DC. | baybean | Fabaceae
|
| CARU13 | Canavalia rusiosperma Urban | Canavalia nitida | Fabaceae
|
| CASA12 | Canavalia sanguinea St. John | Canavalia hawaiiensis | Fabaceae
|
| CASE9 | Canavalia sericea Gray | silky jackbean | Fabaceae
|
| CAST18 | Canavalia stenophylla St. John | Canavalia molokaiensis | Fabaceae
|
| CAVI20 | Canavalia virosa (Roxb.) Wight & Arn. | jackbean | Fabaceae
|
| CANAV | Canavalia Adans. | jackbean | Fabaceae
|
| CAAU2 | Canbya aurea S. Wats. | golden pygmypoppy | Papaveraceae
|
| CACA8 | Canbya candida Parry ex Gray | white pygmypoppy | Papaveraceae
|
| CANBY | Canbya Parry ex Gray | pygmypoppy | Papaveraceae
|
| CACOE | Candelaria concolor (Dickson) Stein var. effusa (Tuck.) G. Merr. & Burnham | lemon lichen | Candelariaceae
|
| CACO64 | Candelaria concolor (Dickson) Stein | lemon lichen | Candelariaceae
|
| CAFI11 | Candelaria fibrosa (Fr.) Mull. Arg. | lemon lichen | Candelariaceae
|
| CANDE2 | Candelaria A. Massal. | lemon lichen | Candelariaceae
|
| CAAN24 | Candelariella antennaria Rasanen | pussytoes eggyolk lichen | Candelariaceae
|
| CAAR37 | Candelariella arctica (Korber) R. Sant. | arctic eggyolk lichen | Candelariaceae
|
| CAAT60 | Candelariella athallina (Wedd.) Du Rietz | eggyolk lichen | Candelariaceae
|
| CAAU60 | Candelariella aurella (Hoffm.) Zahlbr. | eggyolk lichen | Candelariaceae
|
| CACA67 | Candelariella canadensis H. Magn. | Canada eggyolk lichen | Candelariaceae
|
| CACE8 | Candelariella cerinella (Florke) Zahlbr. | Candelariella aurella | Candelariaceae
|
| CACI12 | Candelariella citrina de Lesd. | eggyolk lichen | Candelariaceae
|
| CACO77 | Candelariella coralliza (Nyl.) H. Magn. | eggyolk lichen | Candelariaceae
|
| CACR26 | Candelariella crenulata (Wahlenb.) Zahlbr. | Candelariella arctica | Candelariaceae
|
| CADE23 | Candelariella deflexa (Nyl.) Zahlbr. | deflexed eggyolk lichen | Candelariaceae
|
| CADI35 | Candelariella dispersa (Rasanen) Hakul. | dispersed eggyolk lichen | Candelariaceae
|
| CAEF | Candelariella efflorescens R. C. Harris & W. R. Buck | eggyolk lichen | Candelariaceae
|
| CAEP8 | Candelariella epixantha (Ach.) Sandst. | Caloplaca epixantha | Teloschistaceae
|
| CAEP6 | Candelariella epixantha auct. | Candelariella aurella | Candelariaceae
|
| CAHO20 | Candelariella holophaea (Mont.) Zahlbr. | Solenospora holophaea | Bacidiaceae
|
| CAHU5 | Candelariella hudsonica Hakul. | Candelariella canadensis | Candelariaceae
|
| CAKUA | Candelariella kuusamoensis Rasanen var. areolata Hakul. | eggyolk lichen | Candelariaceae
|
| CAKU2 | Candelariella kuusamoensis Rasanen | eggyolk lichen | Candelariaceae
|
| CALU22 | Candelariella lutella (Vainio) Rasanen | eggyolk lichen | Candelariaceae
|
| CALU23 | Candelariella luteoalba (Turner) Lettau | Caloplaca luteoalba | Teloschistaceae
|
| CAME29 | Candelariella medians (Nyl.) Sm. | Candelina submexicana | Candelariaceae
|
| CAPL13 | Candelariella placodizans (Nyl.) H. Magn. | eggyolk lichen | Candelariaceae
|
| CAPL14 | Candelariella plumbea Poelt & Vezda | eggyolk lichen | Candelariaceae
|
| CARE21 | Candelariella reflexa (Nyl.) Lettau | eggyolk lichen | Candelariaceae
|
| CARO30 | Candelariella rosulans (Mull. Arg.) Zahlbr. | eggyolk lichen | Candelariaceae
|
| CASP23 | Candelariella spraguei (Tuck.) Zahlbr. | Sprague's eggyolk lichen | Candelariaceae
|
| CAST44 | Candelariella stenospora de Lesd. | eggyolk lichen | Candelariaceae
|
| CASU40 | Candelariella subdeflexa (Nyl.) Lettau | eggyolk lichen | Candelariaceae
|
| CASU53 | Candelariella submexicana de Lesd. | Candelina submexicana | Candelariaceae
|
| CATE61 | Candelariella terrigena Rasanen | eggyolk lichen | Candelariaceae
|
| CAVI60 | Candelariella vitellina (Hoffm.) Mull. Arg. | eggyolk lichen | Candelariaceae
|
| CAXA60 | Candelariella xanthostigma (Ach.) Lettau | eggyolk lichen | Candelariaceae
|
| CANDE3 | Candelariella Mull. Arg. | eggyolk lichen | Candelariaceae
|
| CAME28 | Candelina mexicana (de Lesd.) Poelt | | Candelariaceae
|
| CASU41 | Candelina submexicana (de Lesd.) Poelt | | Candelariaceae
|
| CANDE4 | Candelina Poelt | candelina | Candelariaceae
|
| CAAL18 | Canella alba Murr. | Canella winteriana | Canellaceae
|
| CAWI | Canella winteriana (L.) Gaertn. | wild cinnamon | Canellaceae
|
| CANEL | Canella P. Br. | wild cinnamon | Canellaceae
|
| CACO23 | Canna coccinea P. Mill. | Canna indica | Cannaceae
|
| CAED2 | Canna edulis Ker-Gawl. | Canna indica | Cannaceae
|
| CAFL11 | Canna flaccida Salisb. | bandanna of the Everglades | Cannaceae
|
| CAGE3 | Canna �generalis Bailey (pro sp.) | canna lily | Cannaceae
|
| CAGL13 | Canna glauca L. | maraca amarilla | Cannaceae
|
| CAIN19 | Canna indica L. | Indian shot | Cannaceae
|
| CANE25 | Canna neglecta Steud. | broadleaf canna | Cannaceae
|
| CAOR9 | Canna �orchiodes Bailey | Canna generalis | Cannaceae
|
| CAPE13 | Canna pertusa Urban | maraca montuna | Cannaceae
|
| CASY5 | Canna sylvestris Roscoe | maraca roja | Cannaceae
|
| CANNA2 | Canna L. | canna | Cannaceae
|
| CAIN43 | Cannabis indica Lam. | Cannabis sativa ssp. indica | Cannabaceae
|
| CASAI | Cannabis sativa L. ssp. indica (Lam.) E. Small & Cronq. | marijuana | Cannabaceae
|
| CASAS9 | Cannabis sativa L. ssp. sativa var. sativa | marijuana | Cannabaceae
|
| CASAS10 | Cannabis sativa L. ssp. sativa var. spontanea Vavilov | marijuana | Cannabaceae
|
| CASAS3 | Cannabis sativa L. ssp. sativa | marijuana | Cannabaceae
|
| CASA3 | Cannabis sativa L. | marijuana | Cannabaceae
|
| CANNA | Cannabis L. | hemp | Cannabaceae
|
| CAAM26 | Canoparmelia amazonica (Nyl.) Elix & Hale | | Parmeliaceae
|
| CACA68 | Canoparmelia caroliniana (Nyl.) Elix & Hale | | Parmeliaceae
|
| CACR23 | Canoparmelia crozalsiana (de Lesd. ex Harm.) Elix & Hale | | Parmeliaceae
|
| CACR24 | Canoparmelia cryptochlorophaea (Hale) Elix & Hale | | Parmeliaceae
|
| CAMA39 | Canoparmelia martinicana (Nyl.) Elix & Hale | | Parmeliaceae
|
| CASA25 | Canoparmelia salacinifera (Hale) Elix & Hale | | Parmeliaceae
|
| CATE22 | Canoparmelia texana (Tuck.) Elix & Hale | | Parmeliaceae
|
| CANOP2 | Canoparmelia Elix & Hale | canoparmelia | Parmeliaceae
|
| CAHO3 | Canotia holacantha Torr. | crucifixion thorn | Celastraceae
|
| CANOT | Canotia Torr. | canotia | Celastraceae
|
| CASC35 | Cantharospermum scarabaeoides (L.) Baillon | Cajanus scarabaeoides | Fabaceae
|
| CAOD2 | Canthium odoratum (G. Forst.) Seem. | alahe'e | Rubiaceae
|
| CANTH | Canthium Lam. | canthium | Rubiaceae
|
| CAAG3 | Cantua aggregata Pursh | Ipomopsis aggregata ssp. aggregata | Polemoniaceae
|
| CABI19 | Cantua bicolor Lem. | | Polemoniaceae
|
| CANTU | Cantua Juss. ex Lam. | cantua | Polemoniaceae
|
| CACA41 | Caperonia castaneifolia (L.) St.-Hil. | chestnutleaf false croton | Euphorbiaceae
|
| CAPA11 | Caperonia palustris (L.) St.-Hil. | sacatrapo | Euphorbiaceae
|
| CAPER | Caperonia St.-Hil. | false croton | Euphorbiaceae
|
| CAAU11 | Capnoides aureum (Willd.) Kuntze | Corydalis aurea | Fumariaceae
|
| CABR25 | Capnoides brachycarpum Rydb. | Corydalis caseana ssp. brachycarpa | Fumariaceae
|
| CACA49 | Capnoides campestre Britt. | Corydalis micrantha ssp. australis | Fumariaceae
|