| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CLPA14 | Cladina pacifica (Ahti) Hale & Culb. | Cladina portentosa ssp. pacifica | Cladoniaceae
|
| CLPOP | Cladina portentosa (Dufour) Follmann ssp. pacifica (Ahti) Ahti | Pacific reindeer lichen | Cladoniaceae
|
| CLPO4 | Cladina portentosa (Dufour) Follmann | reindeer lichen | Cladoniaceae
|
| CLPS3 | Cladina pseudoevansii (Asah.) Hale & Culb. | false Evans' reindeer lichen | Cladoniaceae
|
| CLRAG | Cladina rangiferina (L.) Nyl. ssp. grisea (Ahti) Ahti & Lai | Cladina rangiferina | Cladoniaceae
|
| CLRA60 | Cladina rangiferina (L.) Nyl. | greygreen reindeer lichen | Cladoniaceae
|
| CLSA6 | Cladina sandstedei (Abbayes) Ahti | Sandstede's reindeer lichen | Cladoniaceae
|
| CLSTA | Cladina stellaris (Opiz) Brodo var. aberrans (Abbayes) Ahti | star reindeer lichen | Cladoniaceae
|
| CLST60 | Cladina stellaris (Opiz) Brodo | star reindeer lichen | Cladoniaceae
|
| CLST5 | Cladina stygia (Fr.) Ahti | reindeer lichen | Cladoniaceae
|
| CLSU6 | Cladina submitis (A. Evans) Hale & Culb. | reindeer lichen | Cladoniaceae
|
| CLSU7 | Cladina subtenuis (Abbayes) Hale & Culb. | reindeer lichen | Cladoniaceae
|
| CLTE10 | Cladina tenuis (Florke) Hale & Culb. | Cladina ciliata | Cladoniaceae
|
| CLTE9 | Cladina terrae-novae (Ahti) Hale & Culb. | reindeer lichen | Cladoniaceae
|
| CLADI3 | Cladina (Nyl.) Nyl. | reindeer lichen | Cladoniaceae
|
| CLCA2 | Cladium californicum (S. Wats.) O'Neill | California sawgrass | Cyperaceae
|
| CLCO7 | Cladium colocasia (L.) W. Wight | malanga | Cyperaceae
|
| CLJA | Cladium jamaicense Crantz | Cladium mariscus ssp. jamaicense | Cyperaceae
|
| CLLE | Cladium leptostachyum Nees & Meyen | Cladium mariscus ssp. jamaicense | Cyperaceae
|
| CLMA | Cladium mariscoides (Muhl.) Torr. | smooth sawgrass | Cyperaceae
|
| CLMAJ | Cladium mariscus (L.) Pohl ssp. jamaicense (Crantz) K�kenth. | Jamaica swamp sawgrass | Cyperaceae
|
| CLMAC2 | Cladium mariscus (L.) Pohl var. californicum S. Wats. | Cladium californicum | Cyperaceae
|
| CLMA10 | Cladium mariscus (L.) Pohl | swamp sawgrass | Cyperaceae
|
| CLRE4 | Cladium restioides (Sw.) Benth. | Machaerina restioides | Cyperaceae
|
| CLADI | Cladium P. Br. | sawgrass | Cyperaceae
|
| CLAT | Cladocarpa atollensis (St. John) St. John | Sicyos maximowiczii | Cucurbitaceae
|
| CLCA7 | Cladocarpa caumii (St. John) St. John | Sicyos maximowiczii | Cucurbitaceae
|
| CLLA5 | Cladocarpa lamoureuxii (St. John) St. John | Sicyos maximowiczii | Cucurbitaceae
|
| CLMA8 | Cladocarpa maximowiczii (Cogn.) St. John | Sicyos maximowiczii | Cucurbitaceae
|
| CLNI3 | Cladocarpa niihauensis (St. John) St. John | Sicyos maximowiczii | Cucurbitaceae
|
| CLSE3 | Cladocarpa semitonsa (St. John) St. John | Sicyos semitonsus | Cucurbitaceae
|
| CLAB | Cladonia abbreviatula G. Merr. | cup lichen | Cladoniaceae
|
| CLAB3 | Cladonia aberrans (Abbayes) Stuckenb. | Cladina stellaris var. aberrans | Cladoniaceae
|
| CLACN | Cladonia acuminata (Ach.) Norrlin var. norlinii (Vainio) Lynge | Cladonia acuminata | Cladoniaceae
|
| CLAC60 | Cladonia acuminata (Ach.) Norrlin | acutetip cup lichen | Cladoniaceae
|
| CLAL60 | Cladonia alaskana A. Evans | Alaskan cup lichen | Cladoniaceae
|
| CLAL11 | Cladonia albonigra Brodo & Ahti | cup lichen | Cladoniaceae
|
| CLAL12 | Cladonia alinii Trass | cup lichen | Cladoniaceae
|
| CLAL8 | Cladonia alpestris (L.) Rabenh. | Cladina stellaris | Cladoniaceae
|
| CLAL9 | Cladonia alpicola (Flotow) Vainio | Cladonia macrophylla | Cladoniaceae
|
| CLAM60 | Cladonia amaurocraea (Florke) Schaerer | cup lichen | Cladoniaceae
|
| CLAN5 | Cladonia andereggii S. Hammer | cup lichen | Cladoniaceae
|
| CLAN3 | Cladonia anitae Culb. & C. Culb. | cup lichen | Cladoniaceae
|
| CLAN4 | Cladonia anomaea (Ach.) Ahti & P. James | Cladonia ramulosa | Cladoniaceae
|
| CLAP2 | Cladonia apodocarpa Robbins | cup lichen | Cladoniaceae
|
| CLARM | Cladonia arbuscula (Wallr.) Flotow ssp. mitis (Sandst.) Ruoss | Cladina mitis | Cladoniaceae
|
| CLAR6 | Cladonia arbuscula (Wallr.) Flotow | Cladina arbuscula | Cladoniaceae
|
| CLAR9 | Cladonia artuata S. Hammer | cup lichen | Cladoniaceae
|
| CLAS5 | Cladonia asahinae J. W. Thomson | Asahina's cup lichen | Cladoniaceae
|
| CLAT2 | Cladonia atlantica A. Evans | Atlantic cup lichen | Cladoniaceae
|
| CLBA2 | Cladonia bacillaris Nyl. | Cladonia macilenta var. bacillaris | Cladoniaceae
|
| CLBA3 | Cladonia bacilliformis (Nyl.) Gluck | cup lichen | Cladoniaceae
|
| CLBA5 | Cladonia balfourii Crombie | Cladonia macilenta | Cladoniaceae
|
| CLBA4 | Cladonia balfourii auct. | Cladonia subradiata | Cladoniaceae
|
| CLBE3 | Cladonia beaumontii (Tuck.) Vainio | Beaumont's cup lichen | Cladoniaceae
|
| CLBE4 | Cladonia bellidiflora (Ach.) Schaerer | cup lichen | Cladoniaceae
|
| CLBL | Cladonia blakei Robbins | Cladonia coccifera | Cladoniaceae
|
| CLBO7 | Cladonia borealis S. Stenroos | boreal cup lichen | Cladoniaceae
|
| CLBO60 | Cladonia boryi Tuck. | Bory's cup lichen | Cladoniaceae
|
| CLBO8 | Cladonia botryocarpa G. Merr. | cup lichen | Cladoniaceae
|
| CLBO9 | Cladonia botrytes (K. Hagen) Willd. | cup lichen | Cladoniaceae
|
| CLBR4 | Cladonia brevis (Sandst.) Sandst. | cup lichen | Cladoniaceae
|
| CLBU2 | Cladonia buckii R. C. Harris | cup lichen | Cladoniaceae
|
| CLCA8 | Cladonia caespiticia (Pers.) Florke | cup lichen | Cladoniaceae
|
| CLCA12 | Cladonia calycantha Delise ex Nyl. | Cladonia rappii | Cladoniaceae
|
| CLCA13 | Cladonia capitata (Michaux) Sprengel | Cladonia peziziformis | Cladoniaceae
|
| CLCA9 | Cladonia cariosa (Ach.) Sprengel | cup lichen | Cladoniaceae
|
| CLCA10 | Cladonia carneola (Fr.) Fr. | cup lichen | Cladoniaceae
|
| CLCA11 | Cladonia caroliniana Tuck. | Carolina cup lichen | Cladoniaceae
|
| CLCE2 | Cladonia cenotea (Ach.) Schaerer | cup lichen | Cladoniaceae
|
| CLCEC | Cladonia cervicornis (Ach.) Flotow ssp. cervicornis | cup lichen | Cladoniaceae
|
| CLCEV60 | Cladonia cervicornis (Ach.) Flotow ssp. verticillata (Hoffm.) Ahti | cup lichen | Cladoniaceae
|
| CLCE3 | Cladonia cervicornis (Ach.) Flotow | cup lichen | Cladoniaceae
|
| CLCH3 | Cladonia chlorophaea (Florke ex Sommerf.) Sprengel | cup lichen | Cladoniaceae
|
| CLCL3 | Cladonia clavulifera Vainio | Cladonia sobolescens | Cladoniaceae
|
| CLCO12 | Cladonia coccifera (L.) Willd. | cup lichen | Cladoniaceae
|
| CLCO13 | Cladonia coniocraea auct. | cup lichen | Cladoniaceae
|
| CLCO20 | Cladonia conista A. Evans | cup lichen | Cladoniaceae
|
| CLCO16 | Cladonia conistea (Delise) Asah. | Cladonia humilis | Cladoniaceae
|
| CLCO17 | Cladonia conoidea Ahti | Cladonia humilis | Cladoniaceae
|
| CLCOC3 | Cladonia cornuta (L.) Hoffm. ssp. cornuta | cup lichen | Cladoniaceae
|
| CLCOG2 | Cladonia cornuta (L.) Hoffm. ssp. groenlandica (E. Dahl) Ahti | Greenland cup lichen | Cladoniaceae
|
| CLCO19 | Cladonia cornuta (L.) Hoffm. | cup lichen | Cladoniaceae
|
| CLCO18 | Cladonia cornutoradiata (Navas) Sandst. | Cladonia subulata | Cladoniaceae
|
| CLCRC2 | Cladonia crispata (Ach.) Flotow var. cetrariiformis (Delise) Vainio | cup lichen | Cladoniaceae
|
| CLCRC | Cladonia crispata (Ach.) Flotow var. crispata | cup lichen | Cladoniaceae
|
| CLCR5 | Cladonia crispata (Ach.) Flotow | cup lichen | Cladoniaceae
|
| CLCR2 | Cladonia cristatella Tuck. | cup lichen | Cladoniaceae
|
| CLCR3 | Cladonia cryptochlorophaea Asah. | cup lichen | Cladoniaceae
|
| CLCY3 | Cladonia cyanipes (Sommerf.) Nyl. | cup lichen | Cladoniaceae
|
| CLCY4 | Cladonia cylindrica (A. Evans) A. Evans | cylinder cup lichen | Cladoniaceae
|
| CLDA2 | Cladonia dactylota Tuck. | cup lichen | Cladoniaceae
|
| CLDA3 | Cladonia dahliana Kristinsson | Dahl's cup lichen | Cladoniaceae
|
| CLDE5 | Cladonia decorticata (Florke) Sprengel | cup lichen | Cladoniaceae
|
| CLDE60 | Cladonia deformis (L.) Hoffm. | deformed cup lichen | Cladoniaceae
|
| CLDE7 | Cladonia delessertii Vainio | Cladonia subfurcata | Cladoniaceae
|
| CLDE8 | Cladonia delicata auct. | Cladonia parasitica | Cladoniaceae
|
| CLDE6 | Cladonia denergans (Florke) Sprengel | Cladonia phyllophora | Cladoniaceae
|
| CLDIV | Cladonia didyma (Fee) Vainio var. vulcanica (Zoll. & Moritzi) Vainio | vulcan cup lichen | Cladoniaceae
|
| CLDI9 | Cladonia didyma (Fee) Vainio | cup lichen | Cladoniaceae
|
| CLDI10 | Cladonia digitata (L.) Hoffm. | finger cup lichen | Cladoniaceae
|