| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CIPAH | Cistanthe parryi (Gray) Hershkovitz var. hesseae (Thomas) Kartesz & Gandhi | Hesse's pussypaws | Portulacaceae
|
| CIPAN | Cistanthe parryi (Gray) Hershkovitz var. nevadensis (J.T. Howell) Kartesz & Gandhi | Nevada pussypaws | Portulacaceae
|
| CIPAP | Cistanthe parryi (Gray) Hershkovitz var. parryi | Parry's pussypaws | Portulacaceae
|
| CIPA7 | Cistanthe parryi (Gray) Hershkovitz | Parry's pussypaws | Portulacaceae
|
| CIPU5 | Cistanthe pulchella (Eastw.) Hershkovitz | Mariposa pussypaws | Portulacaceae
|
| CIPY | Cistanthe pygmaea (Parish ex Rydb.) Hershkovitz | pygmy pussypaws | Portulacaceae
|
| CIQU4 | Cistanthe quadripetala (S. Wats.) Hershkovitz | fourpetal pussypaws | Portulacaceae
|
| CIRO2 | Cistanthe rosea (S. Wats.) Hershkovitz | rosy pussypaws | Portulacaceae
|
| CITW2 | Cistanthe tweedyi (Gray) Hershkovitz | Tweedy's pussypaws | Portulacaceae
|
| CIUMC | Cistanthe umbellata (Torr.) Hershkovitz var. caudicifera (Gray) Kartesz & Gandhi | Mt. Hood pussypaws | Portulacaceae
|
| CIUMU | Cistanthe umbellata (Torr.) Hershkovitz var. umbellata | Mt. Hood pussypaws | Portulacaceae
|
| CIUM | Cistanthe umbellata (Torr.) Hershkovitz | Mt. Hood pussypaws | Portulacaceae
|
| CISTA | Cistanthe Spach | pussypaws | Portulacaceae
|
| CICR3 | Cistus creticus L. | Cistus incanus ssp. creticus | Cistaceae
|
| CIINC | Cistus incanus L. ssp. corsicus (Loisel.) Heywood | hairy rockrose | Cistaceae
|
| CIINC2 | Cistus incanus L. ssp. creticus (L.) Heywood | Cretan rockrose | Cistaceae
|
| CIINI | Cistus incanus L. ssp. incanus | hairy rockrose | Cistaceae
|
| CIIN80 | Cistus incanus L. | hairy rockrose | Cistaceae
|
| CILA6 | Cistus ladaniferus L. | gum rockrose | Cistaceae
|
| CIMO7 | Cistus monspeliensis L. | Montpelier cistus | Cistaceae
|
| CIPU8 | Cistus pulverulentus Pourr. | | Cistaceae
|
| CIPU7 | Cistus �purpureus Lam. | | Cistaceae
|
| CIPU9 | Cistus purpureus Lam. | | Cistaceae
|
| CISA | Cistus salviifolius L. | salvia cistus | Cistaceae
|
| CIVIC | Cistus villosus L. var. corsicus (Loisel.) Gross. | Cistus incanus ssp. corsicus | Cistaceae
|
| CIVIT | Cistus villosus L. var. tauricus Gross. | Cistus incanus ssp. incanus | Cistaceae
|
| CIVIU | Cistus villosus L. var. undulatus Gross. | Cistus incanus ssp. incanus | Cistaceae
|
| CIVI2 | Cistus villosus auct. non L. | Cistus incanus ssp. incanus | Cistaceae
|
| CISTU | Cistus L. | rockrose | Cistaceae
|
| CIBE | Citharexylum berlandieri B.L. Robins. | Berlandier's fiddlewood | Verbenaceae
|
| CIBR3 | Citharexylum brachyanthum (Gray) Gray | boxthorn fiddlewood | Verbenaceae
|
| CICA8 | Citharexylum caudatum L. | juniper berry | Verbenaceae
|
| CIFRF | Citharexylum fruticosum L. var. fruticosum | Florida fiddlewood | Verbenaceae
|
| CIFRS | Citharexylum fruticosum L. var. smallii Moldenke | Small's fiddlewood | Verbenaceae
|
| CIFRS2 | Citharexylum fruticosum L. var. subvillosum Moldenke | Citharexylum fruticosum var. fruticosum | Verbenaceae
|
| CIFRV | Citharexylum fruticosum L. var. villosum (Jacq.) O.E. Schulz | Florida fiddlewood | Verbenaceae
|
| CIFR | Citharexylum fruticosum L. | Florida fiddlewood | Verbenaceae
|
| CIPE2 | Citharexylum pentandrum Vent. | Citharexylum fruticosum var. fruticosum | Verbenaceae
|
| CIPE3 | Citharexylum �perkinsii Moldenke | | Verbenaceae
|
| CISP | Citharexylum spathulatum Moldenke & Lundell | Citharexylum brachyanthum | Verbenaceae
|
| CISP3 | Citharexylum spinosum L. | spiny fiddlewood | Verbenaceae
|
| CITR7 | Citharexylum tristachyum Turcz. | threespike fiddlewood | Verbenaceae
|
| CITHA | Citharexylum L. | fiddlewood | Verbenaceae
|
| CIMI2 | �Citrofortunella mitis (Blanco) J. Ingram & H. Moore | panama orange | Rutaceae
|
| CITRO | �Citrofortunella J. Ingram & H. Moore | citrofortunella | Rutaceae
|
| CIWE | �Citroncirus webberi J. Ingram & H. Moore | citrange | Rutaceae
|
| CITRO2 | �Citroncirus J. Ingram & H. Moore | citroncirus | Rutaceae
|
| CICI2 | Citrullus citrullus (L.) Karst. | Citrullus lanatus var. lanatus | Cucurbitaceae
|
| CICO7 | Citrullus colocynthis (L.) Schrad. | colocynth | Cucurbitaceae
|
| CILAC | Citrullus lanatus (Thunb.) Matsumura & Nakai var. citroides (Bailey) Mansf. | watermelon | Cucurbitaceae
|
| CILAL | Citrullus lanatus (Thunb.) Matsumura & Nakai var. lanatus | watermelon | Cucurbitaceae
|
| CILA3 | Citrullus lanatus (Thunb.) Matsumura & Nakai | watermelon | Cucurbitaceae
|
| CIVUC2 | Citrullus vulgaris Schrad. var. citroides Bailey | Citrullus lanatus var. citroides | Cucurbitaceae
|
| CIVU3 | Citrullus vulgaris Schrad. | Citrullus lanatus var. lanatus | Cucurbitaceae
|
| CITRU | Citrullus Schrad. | watermelon | Cucurbitaceae
|
| CIAU | Citrus aurantifolia (Christm.) Swingle | lime | Rutaceae
|
| CIAU4 | Citrus aurantiifolia (Christm.) Swingle | lime | Rutaceae
|
| CIAUA | Citrus aurantium L. ssp. aurantium | sour orange | Rutaceae
|
| CIAUB | Citrus aurantium L. ssp. bergamia (Risso & Poit.) Wight & Arn. ex Engler | bergamot orange | Rutaceae
|
| CIAUS | Citrus aurantium L. var. sinensis L. | Citrus sinensis | Rutaceae
|
| CIAU2 | Citrus aurantium L. | sour orange | Rutaceae
|
| CIAU5 | Citrus australasica F. Muell. | Microcitrus australasica | Rutaceae
|
| CIAU6 | Citrus australis Planchon | Microcitrus australis | Rutaceae
|
| CIBE2 | Citrus bergamia Risso & Poit. | Citrus aurantium ssp. bergamia | Rutaceae
|
| CIDE | Citrus decumana (L.) L. | Citrus maxima | Rutaceae
|
| CIGR | Citrus grandis (L.) Osbeck | Citrus maxima | Rutaceae
|
| CIJA | Citrus jambhiri Lush. | rough lemon | Rutaceae
|
| CILI2 | Citrus limetta Risso | bitter orange | Rutaceae
|
| CILI | Citrus limon (L.) Burm. f. | lemon | Rutaceae
|
| CILI3 | Citrus �limonia Osbeck (pro sp.) | Mandarin lime | Rutaceae
|
| CILI4 | Citrus limonum Risso | Citrus limonia | Rutaceae
|
| CIMA5 | Citrus maxima (Burm. f.) Merr. | shaddock | Rutaceae
|
| CIME3 | Citrus medica L. | citron | Rutaceae
|
| CIMI3 | Citrus mitis Blanco | � Citrofortunella mitis | Rutaceae
|
| CINO4 | Citrus nobilis Andrews | Citrus reticulata | Rutaceae
|
| CINO3 | Citrus nobilis Lour. | tangor | Rutaceae
|
| CIPA3 | Citrus �paradisi Macfad. (pro sp.) | grapefruit | Rutaceae
|
| CIREU | Citrus reticulata Blanco ssp. unshiu (Marcow.) D.Rivera N��ez et al. | Unshu orange | Rutaceae
|
| CIRE3 | Citrus reticulata Blanco | tangerine | Rutaceae
|
| CISI | Citrus sinensis (L.) Osbeck | sweet orange | Rutaceae
|
| CITA3 | Citrus tachibana (Makino) T. Tanaka | tachibana orange | Rutaceae
|
| CITA4 | Citrus taitensis Risso | Citrus limonia | Rutaceae
|
| CITA | Citrus �tangelo J. Ingram & H. Moore | tangelo | Rutaceae
|
| CITR5 | Citrus trifoliata L. | Poncirus trifoliata | Rutaceae
|
| CIVU4 | Citrus vulgaris Risso | Citrus aurantium ssp. aurantium | Rutaceae
|
| CITRU2 | Citrus L. | citrus | Rutaceae
|
| CLBO6 | Cladidium bolanderi (Tuck.) B. D. Ryan | | Lecanoraceae
|
| CLTH3 | Cladidium thamnitis (Tuck.) Hafellner | Cladidium bolanderi | Lecanoraceae
|
| CLADI2 | Cladidium Hafellner | cladidium | Lecanoraceae
|
| CLAB2 | Cladina aberrans (Abbayes) Hale & Culb. | Cladina stellaris var. aberrans | Cladoniaceae
|
| CLAL7 | Cladina alpestris (L.) Nyl. | Cladina stellaris | Cladoniaceae
|
| CLARB | Cladina arbuscula (Wallr.) Hale & Culb. ssp. beringiana (Ahti) N. S. Golubk. | Bering reindeer lichen | Cladoniaceae
|
| CLAR60 | Cladina arbuscula (Wallr.) Hale & Culb. | reindeer lichen | Cladoniaceae
|
| CLBE5 | Cladina beringiana (Ahti) Trass | Cladina arbuscula ssp. beringiana | Cladoniaceae
|
| CLCIC | Cladina ciliata (Stirton) Trass var. ciliata | ciliate reindeer lichen | Cladoniaceae
|
| CLCIT | Cladina ciliata (Stirton) Trass var. tenuis (Florke) Ahti & M. J. Lai | Cladina ciliata | Cladoniaceae
|
| CLCI60 | Cladina ciliata (Stirton) Trass | ciliate reindeer lichen | Cladoniaceae
|
| CLCO11 | Cladina conspicua Ahti | conspicuous reindeer lichen | Cladoniaceae
|
| CLEV | Cladina evansii (Abbayes) Hale & Culb. | Evans' reindeer lichen | Cladoniaceae
|
| CLIM4 | Cladina impexa de Lesd. | Cladina portentosa | Cladoniaceae
|
| CLLE5 | Cladina leucophaea (Abbayes) Hale & Culb. | Cladina ciliata var. ciliata | Cladoniaceae
|