| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CLDI12 | Cladonia dimorphoclada Robbins | cup lichen | Cladoniaceae
|
| CLECE | Cladonia ecmocyna Leighton ssp. ecmocyna | cup lichen | Cladoniaceae
|
| CLECI | Cladonia ecmocyna Leighton ssp. intermedia (Robbins) Ahti | intermediate cup lichen | Cladoniaceae
|
| CLECO | Cladonia ecmocyna Leighton ssp. occidentalis Ahti | cup lichen | Cladoniaceae
|
| CLEC | Cladonia ecmocyna Leighton | cup lichen | Cladoniaceae
|
| CLEL2 | Cladonia elongata (Jacq.) Hoffm. | Cladonia gracilis ssp. elongata | Cladoniaceae
|
| CLEV2 | Cladonia evansii Abbayes | Cladina evansii | Cladoniaceae
|
| CLEX4 | Cladonia extracorticata S. Hammer | cup lichen | Cladoniaceae
|
| CLFA3 | Cladonia farinacea (Vainio) A. Evans | farinose cup lichen | Cladoniaceae
|
| CLFI2 | Cladonia fimbriata (L.) Fr. | cup lichen | Cladoniaceae
|
| CLFI4 | Cladonia firma (Nyl.) Nyl. | cup lichen | Cladoniaceae
|
| CLFL5 | Cladonia floerkeana (Fr.) Florke | Florke's cup lichen | Cladoniaceae
|
| CLFL6 | Cladonia floridana Vainio | Florida cup lichen | Cladoniaceae
|
| CLFUS | Cladonia furcata (Hudson) Schrader ssp. subrangiformis (Scriba ex Sandst.) Pisut | cup lichen | Cladoniaceae
|
| CLFUS2 | Cladonia furcata (Hudson) Schrader ssp. subrangiformis auct | Cladonia furcata | Cladoniaceae
|
| CLFU3 | Cladonia furcata (Hudson) Schrader | cup lichen | Cladoniaceae
|
| CLGL5 | Cladonia glauca Florke | cup lichen | Cladoniaceae
|
| CLGO | Cladonia gonecha (Ach.) Asah. | Cladonia sulphurina | Cladoniaceae
|
| CLGR11 | Cladonia gracilescens auct. | Cladonia stricta | Cladoniaceae
|
| CLGR12 | Cladonia graciliformis Zahlbr. | cup lichen | Cladoniaceae
|
| CLGRE | Cladonia gracilis (L.) Willd. ssp. elongata (Jacq.) Vainio | cup lichen | Cladoniaceae
|
| CLGRG3 | Cladonia gracilis (L.) Willd. ssp. gracilis | cup lichen | Cladoniaceae
|
| CLGRN | Cladonia gracilis (L.) Willd. ssp. nigripes (Nyl.) Ahti | Cladonia gracilis ssp. elongata | Cladoniaceae
|
| CLGRT2 | Cladonia gracilis (L.) Willd. ssp. turbinata (Ach.) Ahti | cup lichen | Cladoniaceae
|
| CLGRV | Cladonia gracilis (L.) Willd. ssp. vulnerata Ahti | cup lichen | Cladoniaceae
|
| CLGR13 | Cladonia gracilis (L.) Willd. | cup lichen | Cladoniaceae
|
| CLGR6 | Cladonia granulans Vainio | cup lichen | Cladoniaceae
|
| CLGR7 | Cladonia grayi G. Merr. ex Sandst. | Gray's cup lichen | Cladoniaceae
|
| CLHE3 | Cladonia herrei Fink ex J. Hedrick | Cladonia furcata | Cladoniaceae
|
| CLHO3 | Cladonia homosekikaica Nuno | cup lichen | Cladoniaceae
|
| CLHO4 | Cladonia hookeri Tuck. | Cladonia bellidiflora | Cladoniaceae
|
| CLHO5 | Cladonia hookeri sensu J. W. Thomson | Cladonia graciliformis | Cladoniaceae
|
| CLHUB | Cladonia humilis (With.) J. R. Laundon var. bourgeanica A. W. Archer | Cladonia conista | Cladoniaceae
|
| CLHU | Cladonia humilis (With.) J. R. Laundon | cup lichen | Cladoniaceae
|
| CLHY | Cladonia hypoxantha Tuck. | cup lichen | Cladoniaceae
|
| CLIM2 | Cladonia imbricaria Kristinsson | cup lichen | Cladoniaceae
|
| CLIM5 | Cladonia impexa Harm. | Cladina portentosa | Cladoniaceae
|
| CLIN3 | Cladonia incrassata Florke | cup lichen | Cladoniaceae
|
| CLIN4 | Cladonia invisa Robbins | Cladonia ochrochlora | Cladoniaceae
|
| CLJA4 | Cladonia japonica Vainio | Cladonia crispata | Cladoniaceae
|
| CLKA3 | Cladonia kanewskii Oksner | Kanewsk's cup lichen | Cladoniaceae
|
| CLLA8 | Cladonia labradorica Ahti & Brodo | Labrador cup lichen | Cladoniaceae
|
| CLLE6 | Cladonia lepidota auct. | Cladonia stricta | Cladoniaceae
|
| CLLE4 | Cladonia leporina Fr. | cup lichen | Cladoniaceae
|
| CLLE7 | Cladonia leptothallina G. Merr. | Cladonia peziziformis | Cladoniaceae
|
| CLLE8 | Cladonia leucophaea Abbayes | Cladina ciliata var. ciliata | Cladoniaceae
|
| CLLI5 | Cladonia linearis A. Evans | Gymnoderma lineare | Cladoniaceae
|
| CLLU3 | Cladonia luteoalba Wheldon & A. Wilson | cup lichen | Cladoniaceae
|
| CLMAB | Cladonia macilenta Hoffm. var. bacillaris (Genth) Schaerer | cup lichen | Cladoniaceae
|
| CLMA11 | Cladonia macilenta Hoffm. | cup lichen | Cladoniaceae
|
| CLMA12 | Cladonia macroceras (Delise) Hav. | cup lichen | Cladoniaceae
|
| CLMA13 | Cladonia macrophylla (Schaerer) Stenh. | largeleaf cup lichen | Cladoniaceae
|
| CLMA14 | Cladonia macrophyllodes Nyl. | cup lichen | Cladoniaceae
|
| CLMA15 | Cladonia macroptera Rasanen | Cladonia scabriuscula | Cladoniaceae
|
| CLMA16 | Cladonia magyarica Vainio | cup lichen | Cladoniaceae
|
| CLMA20 | Cladonia major (K. Hagen) Sandst. | Cladonia fimbriata | Cladoniaceae
|
| CLMA17 | Cladonia mateocyatha Robbins | cup lichen | Cladoniaceae
|
| CLMA18 | Cladonia maxima (Asah.) Ahti | cup lichen | Cladoniaceae
|
| CLMEN2 | Cladonia merochlorophaea Asah. var. novochlorophaea Sipman | Cladonia novochlorophaea | Cladoniaceae
|
| CLME3 | Cladonia merochlorophaea Asah. | cup lichen | Cladoniaceae
|
| CLME60 | Cladonia metacorallifera Asah. | cup lichen | Cladoniaceae
|
| CLMI6 | Cladonia mitis Sandst. | Cladina mitis | Cladoniaceae
|
| CLMI7 | Cladonia mitrula Tuck. | Cladonia peziziformis | Cladoniaceae
|
| CLMU60 | Cladonia multiformis G. Merr. | cup lichen | Cladoniaceae
|
| CLNA4 | Cladonia nana Vainio | cup lichen | Cladoniaceae
|
| CLNE4 | Cladonia nemoxyna (Ach.) Arnold | Cladonia rei | Cladoniaceae
|
| CLNI4 | Cladonia nipponica Asah. | Japanese cup lichen | Cladoniaceae
|
| CLNO | Cladonia norrlinii Vainio | Cladonia acuminata | Cladoniaceae
|
| CLNO2 | Cladonia norvegica Tonsberg & Holien | cup lichen | Cladoniaceae
|
| CLNO3 | Cladonia novochlorophaea (Sipman) Ahti & Brodo | cup lichen | Cladoniaceae
|
| CLOC60 | Cladonia ochrochlora Florke | cup lichen | Cladoniaceae
|
| CLPA9 | Cladonia pachycladodes Vainio | cup lichen | Cladoniaceae
|
| CLPA15 | Cladonia pacifica Ahti | Cladina portentosa ssp. pacifica | Cladoniaceae
|
| CLPA16 | Cladonia papillaria (Ehrh.) Hoffm. | Pycnothelia papillaria | Cladoniaceae
|
| CLPA13 | Cladonia parasitica (Hoffm.) Hoffm. | parasite cup lichen | Cladoniaceae
|
| CLPE5 | Cladonia perforata A. Evans | cup lichen | Cladoniaceae
|
| CLPE6 | Cladonia perlomera Kristinsson | cup lichen | Cladoniaceae
|
| CLPE7 | Cladonia peziziformis (With.) J. R. Laundon | cup lichen | Cladoniaceae
|
| CLPH60 | Cladonia phyllophora Ehrh. ex Hoffm. | cup lichen | Cladoniaceae
|
| CLPI3 | Cladonia piedmontensis G. Merr. | piedmont cup lichen | Cladoniaceae
|
| CLPI4 | Cladonia pityrea (Florke) Fr. | Cladonia ramulosa | Cladoniaceae
|
| CLPL60 | Cladonia pleurota (Florke) Schaerer | cup lichen | Cladoniaceae
|
| CLPO60 | Cladonia pocillum (Ach.) Grognot | cup lichen | Cladoniaceae
|
| CLPO5 | Cladonia polycarpia G. Merr. | cup lichen | Cladoniaceae
|
| CLPO6 | Cladonia polycarpoides Nyl. | cup lichen | Cladoniaceae
|
| CLPO7 | Cladonia polydactyla (Florke) Sprengel | Cladonia umbricola | Cladoniaceae
|
| CLPO9 | Cladonia poroscypha S. Hammer | cup lichen | Cladoniaceae
|
| CLPR2 | Cladonia prolifica Ahti & S. Hammer | cup lichen | Cladoniaceae
|
| CLPR3 | Cladonia prostrata A. Evans | prostrate cup lichen | Cladoniaceae
|
| CLPS6 | Cladonia pseudodigitata Gyelnik | Cladonia coccifera | Cladoniaceae
|
| CLPS7 | Cladonia pseudoevansii Asah. | Cladina pseudoevansii | Cladoniaceae
|
| CLPS61 | Cladonia pseudorangiformis Asah. | Cladonia wainioi | Cladoniaceae
|
| CLPS62 | Cladonia pseudostellata Asah. | Cladonia uncialis | Cladoniaceae
|
| CLPS5 | Cladonia psoromica J. P. Dey | cup lichen | Cladoniaceae
|
| CLPU5 | Cladonia pulvinella S. Hammer | cup lichen | Cladoniaceae
|
| CLPY60 | Cladonia pyxidata (L.) Hoffm. | cup lichen | Cladoniaceae
|
| CLRA2 | Cladonia ramulosa (With.) J. R. Laundon | cup lichen | Cladoniaceae
|
| CLRA4 | Cladonia rangiferina (L.) F. H. Wigg. | Cladina rangiferina | Cladoniaceae
|
| CLRAE | Cladonia rappii A. Evans var. exilior (Abbayes) Ahti | Cladonia rappii | Cladoniaceae
|
| CLRA5 | Cladonia rappii A. Evans | Rapp's cup lichen | Cladoniaceae
|
| CLRA3 | Cladonia ravenelii Tuck. | Ravenel's cup lichen | Cladoniaceae
|