| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LEPA32 | Lecidea panaeola (Ach.) Ach. | Amygdalaria panaeola | Porpidiaceae
|
| LEPA33 | Lecidea pantherina (Ach.) Th. Fr. | Lecidea lapicida | Lecideaceae
|
| LEPA21 | Lecidea parasemella Nyl. | Hafellnera parasemella | Schaereriaceae
|
| LEPA34 | Lecidea parvifolia Pers. | Phyllopsora parvifolia | Bacidiaceae
|
| LEPA22 | Lecidea paupercula Th. Fr. | Lecidea praenubila | Lecideaceae
|
| LEPE13 | Lecidea peliaspis (Tuck.) Zahlbr. | | Lecideaceae
|
| LEPE19 | Lecidea pelobotrya (Wahlenb.) Leighton | Amygdalaria pelobotryon | Porpidiaceae
|
| LEPE20 | Lecidea petri (Tuck.) Zahlbr. | Lecidea lurida | Lecideaceae
|
| LEPH3 | Lecidea phaeopelidna Vainio | | Lecideaceae
|
| LEPH7 | Lecidea phaeophora Stizenb. | Lecanora phaeophora | Lecanoraceae
|
| LEPH4 | Lecidea phaeops Nyl. | | Lecideaceae
|
| LEPH8 | Lecidea phylliscina Nyl. | Porpidia macrocarpa | Porpidiaceae
|
| LEPI7 | Lecidea picea Lynge | | Lecideaceae
|
| LEPI9 | Lecidea pilati (Hepp) Korber | Adelolecia pilati | Bacidiaceae
|
| LEPL10 | Lecidea placidensis H. Magn. | Lecanora placidensis | Lecanoraceae
|
| LEPL2 | Lecidea plana (J. Lahm) Nyl. | | Lecideaceae
|
| LEPL3 | Lecidea planetica Tuck. | | Lecideaceae
|
| LEPL11 | Lecidea platycarpa Ach. | Porpidia macrocarpa | Porpidiaceae
|
| LEPL4 | Lecidea plebeja Nyl. | | Lecideaceae
|
| LEPL5 | Lecidea plumbeoatra Vainio | Miriquidica plumbeoatra | Lecanoraceae
|
| LEPO8 | Lecidea polaris Lynge | | Lecideaceae
|
| LEPO9 | Lecidea polycocca Sommerf. | | Lecideaceae
|
| LEPO10 | Lecidea populina Mull Arg. ex Nyl. | | Lecideaceae
|
| LEPO20 | Lecidea porphyrospoda (Anzi) Th. Fr. | Biatora porphyrospoda | Bacidiaceae
|
| LEPR18 | Lecidea praenubila Nyl. | | Lecideaceae
|
| LEPR13 | Lecidea praeruptorum Du Rietz & H. Magn. | Fuscidea praeruptorum | Fuscideaceae
|
| LEPR19 | Lecidea praetermissa Tonsberg | | Lecideaceae
|
| LEPR14 | Lecidea prasinula (Wedd.) de Lesd. | Lecidella scabra | Lecanoraceae
|
| LEPR15 | Lecidea pringlei Tuck. | Lecanora pringlei | Lecanoraceae
|
| LEPR10 | Lecidea promiscens Nyl. | | Lecideaceae
|
| LEPR11 | Lecidea protabacina Nyl. | | Lecideaceae
|
| LEPR16 | Lecidea pruinosa Ach. | Lecidea lithophila | Lecideaceae
|
| LEPU10 | Lecidea pulla Lowe | | Lecideaceae
|
| LEPU16 | Lecidea pullata (Norman) Th. Fr. | Lecidea amaurospoda | Lecideaceae
|
| LEPU11 | Lecidea pumicicola H. Magn. | | Lecideaceae
|
| LEPU12 | Lecidea punctella (Willey) Zahlbr. | Micarea rhabdogena | Micareaceae
|
| LEPU14 | Lecidea purissima Darbish. | Lecanora marginata | Lecanoraceae
|
| LEPY3 | Lecidea pycnocarpa (Korber) Ohlert | | Lecideaceae
|
| LEQU3 | Lecidea quadricolor (Dickson) Borrer | Trapeliopsis granulosa | Trapeliaceae
|
| LEQU4 | Lecidea quernea (Dickson) Ach. | Pyrrhospora quernea | Lecanoraceae
|
| LERA9 | Lecidea ramulicola H. Magn. | Lecanora cadubriae | Lecanoraceae
|
| LERA60 | Lecidea ramulosa Th. Fr. | | Lecideaceae
|
| LERE14 | Lecidea recensa Stirton | Fuscidea recensa | Fuscideaceae
|
| LERH | Lecidea rhaetica Hepp ex Th. Fr. | Farnoldia micropsis | Porpidiaceae
|
| LERI | Lecidea rivulorum H. Magn. | | Lecideaceae
|
| LERI5 | Lecidea rivulosa Ach. | Fuscidea cyathoides | Fuscideaceae
|
| LERO3 | Lecidea roseotincta Coppins & Tonsberg | | Lecideaceae
|
| LERU12 | Lecidea rubiformis (Ach.) Wahlenb. | Psora rubiformis | Psoraceae
|
| LERU7 | Lecidea rufofusca (Anzi) Nyl. | | Lecideaceae
|
| LERU13 | Lecidea rufonigra (Tuck.) Nyl. | Psorula rufonigra | Psoraceae
|
| LERU8 | Lecidea rugosa Lowe | | Lecideaceae
|
| LERU14 | Lecidea russellii Tuck. | Psora russellii | Psoraceae
|
| LERU9 | Lecidea russula Ach. | Pyrrhospora russula | Lecanoraceae
|
| LESA12 | Lecidea sanguineoatra Nyl. | Mycobilimbia hypnorum | Porpidiaceae
|
| LESA10 | Lecidea santae-monicae H. Magn. | | Lecideaceae
|
| LESC4 | Lecidea scabra Taylor | Lecidella scabra | Lecanoraceae
|
| LESC10 | Lecidea scalaris (Ach. ex Lilj.) Ach. | Hypocenomyce scalaris | Lecideaceae
|
| LESC11 | Lecidea scholanderi Lynge | Toninia tristis ssp. scholanderi | Catillariaceae
|
| LESC12 | Lecidea scotopholis (Tuck.) Herre | Lecanora scotopholis | Lecanoraceae
|
| LESC6 | Lecidea scrobiculata Th. Fr. | | Lecideaceae
|
| LESC7 | Lecidea scrupulosa (Eckf.) H. Magn. | | Lecideaceae
|
| LESI6 | Lecidea silacea Ach. | | Lecideaceae
|
| LESO4 | Lecidea somphoterella Vainio | | Lecideaceae
|
| LESO5 | Lecidea soredifera Lowe | | Lecideaceae
|
| LESO8 | Lecidea sorediza Nyl. | Porpidia tuberculosa | Porpidiaceae
|
| LESO9 | Lecidea soredizodes (Lamy ex Nyl.) Vainio | Porpidia soredizodes | Porpidiaceae
|
| LESP6 | Lecidea speirea (Ach.) Ach. | Porpidia speirea | Porpidiaceae
|
| LESP7 | Lecidea sphacelata Th. Fr. | Rimularia sphacelata | Rimulariaceae
|
| LESP5 | Lecidea sphaerella Hedl. | | Lecideaceae
|
| LEST13 | Lecidea steineri Hertel | | Lecideaceae
|
| LEST22 | Lecidea stenotera (Nyl.) Nyl. | Lecidea alpestris | Lecideaceae
|
| LEST17 | Lecidea steriza (Ach.) Vainio | Porpidia macrocarpa | Porpidiaceae
|
| LEST18 | Lecidea stigmatea Ach. | Lecidella stigmatea | Lecanoraceae
|
| LESU11 | Lecidea subaglaea de Lesd. | | Lecideaceae
|
| LESU48 | Lecidea suballinita Nyl. | Micarea ternaria | Micareaceae
|
| LESU31 | Lecidea subauriculata Lynge | Adelolecia pilati | Bacidiaceae
|
| LESU30 | Lecidea subauriculata de Lesd. | Lecidella subauriculata | Lecanoraceae
|
| LESU12 | Lecidea subcandida H. Magn. | | Lecideaceae
|
| LESU44 | Lecidea subcinnabarina Tonsberg | Pyrrhospora subcinnabarina | Lecanoraceae
|
| LESU32 | Lecidea subcontinuior de Lesd. | Lecidella carpathica | Lecanoraceae
|
| LESU41 | Lecidea subduplex (Nyl.) Nyl. | Biatora subduplex | Bacidiaceae
|
| LESU33 | Lecidea suberratica Lowe | Micarea erratica | Micareaceae
|
| LESU13 | Lecidea sublimosa Nyl. | | Lecideaceae
|
| LESU14 | Lecidea subplebeja Vainio | | Lecideaceae
|
| LESU34 | Lecidea subplumbea Anzi | Miriquidica griseoatra | Lecanoraceae
|
| LESU15 | Lecidea subramosa Lowe | | Lecideaceae
|
| LESU16 | Lecidea subrhagadiella Lynge | | Lecideaceae
|
| LESU35 | Lecidea subsimplex H. Magn. | Porpidia subsimplex | Porpidiaceae
|
| LESU36 | Lecidea subsorediza Lynge | Bellemerea subsorediza | Porpidiaceae
|
| LESU17 | Lecidea subtilis Degel. | | Lecideaceae
|
| LESU18 | Lecidea sulphurea (Hoffm.) Wahlenb. | Lecanora sulphurea | Lecanoraceae
|
| LESW | Lecidea swartzioides Nyl. | | Lecideaceae
|
| LESY4 | Lecidea sylvana (Korber) Th. Fr. | Lecidea sphaerella | Lecideaceae
|
| LESY5 | Lecidea sylvicola Flotow | Micarea sylvicola | Micareaceae
|
| LESY6 | Lecidea symmicta (Ach.) Ach. | Lecanora symmicta | Lecanoraceae
|
| LETE17 | Lecidea templetonii Taylor | Mycobilimbia hypnorum | Porpidiaceae
|
| LETE10 | Lecidea tenayucae de Lesd. | | Lecideaceae
|
| LETE18 | Lecidea tenebrosa Flotow | Schaereria fuscocinerea | Schaereriaceae
|
| LETE19 | Lecidea tennessensis Nyl. | Lecanora oreinoides | Lecanoraceae
|
| LETE11 | Lecidea tenuissima Lynge | | Lecideaceae
|
| LETE20 | Lecidea tesselina Tuck. | Lecanora oreinoides | Lecanoraceae
|