| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CALA73 | Carpoceros laevis (L.) Dumort. | Phaeoceros laevis | Anthocerotaceae
|
| CAPU45 | Carpoceros punctatus (L.) Dumort. | Anthoceros punctatus | Anthocerotaceae
|
| CAFE10 | Carpolipum fertile Lehm. | Notothylas orbicularis var. orbicularis | Notothyladaceae
|
| CAME32 | Carpolipum melanosporum (Sull.) Nees | Notothylas orbicularis var. orbicularis | Notothyladaceae
|
| CAOR20 | Carpolipum orbiculare (Schwein.) Nees | Notothylas orbicularis var. orbicularis | Notothyladaceae
|
| CAVA12 | Carpolipum valvatum (Sull.) Nees | Notothylas orbicularis var. orbicularis | Notothyladaceae
|
| CABA5 | Carthamus baeticus (Boiss. & Reut.) Lara | Carthamus lanatus ssp. baeticus | Asteraceae
|
| CALA57 | Carthamus laevis Hill | Stokesia laevis | Asteraceae
|
| CALAB2 | Carthamus lanatus L. ssp. baeticus (Boiss. & Reut.) Nyman | woolly distaff thistle | Asteraceae
|
| CALAL10 | Carthamus lanatus L. ssp. lanatus | woolly distaff thistle | Asteraceae
|
| CALA20 | Carthamus lanatus L. | woolly distaff thistle | Asteraceae
|
| CALE52 | Carthamus leucocaulos Sibith. & Sm. | whitestem distaff thistle | Asteraceae
|
| CAOX2 | Carthamus oxyacantha Bieb. | jeweled distaff thistle | Asteraceae
|
| CATI | Carthamus tinctorius L. | safflower | Asteraceae
|
| CARTH | Carthamus L. | distaff thistle | Asteraceae
|
| CACA19 | Carum carvi L. | caraway | Apiaceae
|
| CACO44 | Carum copticum (L.) Benth. & Hook. f. ex C.B. Clarke | Trachyspermum copticum | Apiaceae
|
| CAGA7 | Carum gairdneri (Hook. & Arn.) Gray | Perideridia gairdneri ssp. gairdneri | Apiaceae
|
| CAMO21 | Carum montanum Blank. | Perideridia gairdneri ssp. borealis | Apiaceae
|
| CAPE33 | Carum petroselinum Benth. & Hook. f. | Petroselinum crispum | Apiaceae
|
| CAVE20 | Carum velenovskyi Rohlena | Carum carvi | Apiaceae
|
| CARUM | Carum L. | carum | Apiaceae
|
| CAAL27 | Carya alba (L.) Nutt. ex Ell. | mockernut hickory | Juglandaceae
|
| CAAQA3 | Carya aquatica (Michx. f.) Nutt. var. australis Sarg. | Carya aquatica | Juglandaceae
|
| CAAQ2 | Carya aquatica (Michx. f.) Nutt. | water hickory | Juglandaceae
|
| CABRV | Carya brownii Sarg. var. varians Sarg. | Carya brownii | Juglandaceae
|
| CABR16 | Carya �brownii Sarg. | | Juglandaceae
|
| CABUA2 | Carya buckleyi Dur. var. arkansana (Sarg.) Sarg. | Carya texana | Juglandaceae
|
| CABU9 | Carya buckleyi Dur. | Carya texana | Juglandaceae
|
| CACA38 | Carya carolinae-septentrionalis (Ashe) Engl. & Graebn. | southern shagbark hickory | Juglandaceae
|
| CACO24 | Carya �collina Laughlin | | Juglandaceae
|
| CACOL3 | Carya cordiformis (Wangenh.) K. Koch var. latifolia Sarg. | Carya cordiformis | Juglandaceae
|
| CACO15 | Carya cordiformis (Wangenh.) K. Koch | bitternut hickory | Juglandaceae
|
| CADE10 | Carya �demareei Palmer | | Juglandaceae
|
| CADU3 | Carya �dunbarii Sarg. | | Juglandaceae
|
| CAFL6 | Carya floridana Sarg. | scrub hickory | Juglandaceae
|
| CAGLG2 | Carya glabra (P. Mill.) Sweet var. glabra | pignut hickory | Juglandaceae
|
| CAGLH | Carya glabra (P. Mill.) Sweet var. hirsuta (Ashe) Ashe | pignut hickory | Juglandaceae
|
| CAGLM | Carya glabra (P. Mill.) Sweet var. megacarpa (Sarg.) Sarg. | pignut hickory | Juglandaceae
|
| CAGLO | Carya glabra (P. Mill.) Sweet var. odorata (Marsh.) Little | Carya ovalis | Juglandaceae
|
| CAGLV | Carya glabra (P. Mill.) Sweet var. villosa (Sarg.) B.L. Robins. | Carya texana | Juglandaceae
|
| CAGL8 | Carya glabra (P. Mill.) Sweet | pignut hickory | Juglandaceae
|
| CAIL2 | Carya illinoinensis (Wangenh.) K. Koch | pecan | Juglandaceae
|
| CALA21 | Carya laciniosa (Michx. f.) G. Don | shellbark hickory | Juglandaceae
|
| CALAC2 | Carya �laneyi Sarg. var. chateaugayensis (Sarg.) Boivin | Carya laneyi | Juglandaceae
|
| CALA34 | Carya �laneyi Sarg. | | Juglandaceae
|
| CALE13 | Carya �lecontei Little | | Juglandaceae
|
| CALE32 | Carya leiodermis Sarg. | Carya glabra var. hirsuta | Juglandaceae
|
| CALU8 | Carya �ludoviciana (Ashe) Little | | Juglandaceae
|
| CAMA41 | Carya magnifloridana Murrill | Carya glabra var. megacarpa | Juglandaceae
|
| CAMI33 | Carya microcarpa (Nutt.) Britt. | Carya glabra var. glabra | Juglandaceae
|
| CAMY | Carya myristiciformis (Michx. f.) Nutt. | nutmeg hickory | Juglandaceae
|
| CANU8 | Carya �nussbaumeri Sarg. | | Juglandaceae
|
| CAOL6 | Carya oliviformis (Michx. f.) Nutt. | Carya illinoinensis | Juglandaceae
|
| CAOVH2 | Carya �ovalis (Wangenh.) Sarg. var. hirsuta (Ashe) Boivin | Carya glabra var. hirsuta | Juglandaceae
|
| CAOVH | Carya ovalis (Wangenh.) Sarg. var. hirsuta (Ashe) Sarg. | Carya glabra var. hirsuta | Juglandaceae
|
| CAOVM | Carya ovalis (Wangenh.) Sarg. var. mollis (Ashe) Sudworth | Carya ovalis | Juglandaceae
|
| CAOVO | Carya ovalis (Wangenh.) Sarg. var. obcordata (Muhl. & Willd.) Sarg. | Carya ovalis | Juglandaceae
|
| CAOVO4 | Carya ovalis (Wangenh.) Sarg. var. obovalis Sarg. | Carya ovalis | Juglandaceae
|
| CAOVO3 | Carya �ovalis (Wangenh.) Sarg. var. odorata (Marsh.) Boivin | Carya ovalis | Juglandaceae
|
| CAOVO2 | Carya ovalis (Wangenh.) Sarg. var. odorata (Marsh.) Sarg. | Carya ovalis | Juglandaceae
|
| CAOV3 | Carya ovalis (Wangenh.) Sarg. | red hickory | Juglandaceae
|
| CAOVA | Carya ovata (P. Mill.) K. Koch var. australis (Ashe) Little | Carya carolinae-septentrionalis | Juglandaceae
|
| CAOVC | Carya ovata (P. Mill.) K. Koch var. carolinae-septentrionalis (Ashe) Reveal | Carya carolinae-septentrionalis | Juglandaceae
|
| CAOVF | Carya ovata (P. Mill.) K. Koch var. fraxinifolia Sarg. | Carya ovata | Juglandaceae
|
| CAOVN | Carya ovata (P. Mill.) K. Koch var. nuttallii Sarg. | Carya ovata | Juglandaceae
|
| CAOVP | Carya ovata (P. Mill.) K. Koch var. pubescens Sarg. | Carya ovata | Juglandaceae
|
| CAOV2 | Carya ovata (P. Mill.) K. Koch | shagbark hickory | Juglandaceae
|
| CAPA24 | Carya pallida (Ashe) Engl. & Graebn. | sand hickory | Juglandaceae
|
| CAPE26 | Carya pecan (Marsh.) Engl. & Graebn. | Carya illinoinensis | Juglandaceae
|
| CASC16 | Carya �schneckii Sarg. | | Juglandaceae
|
| CATEA | Carya texana Buckl. var. arkansana (Sarg.) Little | Carya texana | Juglandaceae
|
| CATEV | Carya texana Buckl. var. villosa (Sarg.) Little | Carya texana | Juglandaceae
|
| CATE9 | Carya texana Buckl. | black hickory | Juglandaceae
|
| CATOS | Carya tomentosa (Lam. ex Poir.) Nutt. var. subcoriacea (Sarg.) Palmer & Steyermark | Carya alba | Juglandaceae
|
| CATO6 | Carya tomentosa (Lam. ex Poir.) Nutt. | Carya alba | Juglandaceae
|
| CARYA | Carya Nutt. | hickory | Juglandaceae
|
| CAAM28 | Caryocar amygdaliferum Mutis | achotillo | Caryocaraceae
|
| CABR36 | Caryocar brasiliense Cambess. | pequi | Caryocaraceae
|
| CANU12 | Caryocar nuciferum L. | souari nut | Caryocaraceae
|
| CARYO2 | Caryocar F. Allam. ex L. | caryocar | Caryocaraceae
|
| CASE19 | Caryolophora sempervirens (L.) Fisch. & Trautv. | Pentaglottis sempervirens | Boraginaceae
|
| CAAR26 | Caryophyllus aromaticus L. | Syzygium aromaticum | Myrtaceae
|
| CACL7 | Caryopteris �clandonensis hort. ex Rehd. | | Verbenaceae
|
| CARYO3 | Caryopteris Bunge | caryopteris | Verbenaceae
|
| CAMI36 | Caryota mitis Lour. | Burmese fishtail palm | Arecaceae
|
| CAUR3 | Caryota urens L. | jaggery palm | Arecaceae
|
| CARYO | Caryota L. | fishtail palm | Arecaceae
|
| CACL3 | Casasia clusiifolia (Jacq.) Urban | sevenyear apple | Rubiaceae
|
| CASAS | Casasia A. Rich. | casasia | Rubiaceae
|
| CATH7 | Cascabela thevetia (L.) Lippoid | Thevetia peruviana | Apocynaceae
|
| CAAC3 | Casearia aculeata Jacq. | rabo de ranton | Flacourtiaceae
|
| CAAR8 | Casearia arborea (L.C. Rich.) Urban | gia verde | Flacourtiaceae
|
| CABI15 | Casearia bicolor Urban | Laetia procera | Flacourtiaceae
|
| CADE11 | Casearia decandra Jacq. | wild honeytree | Flacourtiaceae
|
| CAGU2 | Casearia guianensis (Aubl.) Urban | Guyanese wild coffee | Flacourtiaceae
|
| CANI17 | Casearia nitida Jacq. | | Flacourtiaceae
|
| CASY2 | Casearia sylvestris Sw. | crackopen | Flacourtiaceae
|
| CASEA | Casearia Jacq. | casearia | Flacourtiaceae
|
| CAED6 | Casimiroa edulis Llave & Lex. | white sapote | Rutaceae
|
| CATE24 | Casimiroa tetrameria Millsp. | matasano | Rutaceae
|