| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ASGI7 | Aspicilia gibbosa (Ach.) Korber | rimmed lichen | Hymeneliaceae
|
| ASHE9 | Aspicilia heteroplaca (Zahlbr.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASHU7 | Aspicilia humboldtii (Lynge) J. W. Thomson | Humboldt's aspicilia | Hymeneliaceae
|
| ASKA4 | Aspicilia karelica (H. Magn.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASLA18 | Aspicilia laevata (Ach.) Arnold | rimmed lichen | Hymeneliaceae
|
| ASLA19 | Aspicilia laxula (H. Magn.) Brodo | rimmed lichen | Hymeneliaceae
|
| ASLE23 | Aspicilia leprosescens (Sandst.) Hav. | rimmed lichen | Hymeneliaceae
|
| ASLE24 | Aspicilia lesleyana Darbish. | Lesley's rimmed lichen | Hymeneliaceae
|
| ASLI12 | Aspicilia limitata (H. Magn.) J. W. Thomson | rimmed lichen | Hymeneliaceae
|
| ASMA18 | Aspicilia mashiginensis (Zahlbr.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASMA19 | Aspicilia mastoidea (Lynge) J. W. Thomson | rimmed lichen | Hymeneliaceae
|
| ASMA27 | Aspicilia mastrucata (Wahlenb.) Th. Fr. | rimmed lichen | Hymeneliaceae
|
| ASMA24 | Aspicilia mazarina (Wahlenb.) R. Sant. | rimmed lichen | Hymeneliaceae
|
| ASMO20 | Aspicilia moenium (Vain.) Thor & Timdal | rimmed lichen | Hymeneliaceae
|
| ASMY2 | Aspicilia myrinii (Fr.) Stein | Myrin's aspicilia | Hymeneliaceae
|
| ASNA6 | Aspicilia narssaquensis (Lynge) J. W. Thomson | rimmed lichen | Hymeneliaceae
|
| ASNA7 | Aspicilia nathoristii (Lynge) J. W. Thomson | Nathorist's aspicilia | Hymeneliaceae
|
| ASNI6 | Aspicilia nikrapensis Darbish. | rimmed lichen | Hymeneliaceae
|
| ASNO6 | Aspicilia nordlandica (H. Magn.) Degel. | northern rimmed lichen | Hymeneliaceae
|
| ASNO7 | Aspicilia novae-semliae (Zahlbr.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASPE14 | Aspicilia pergibbosa (H. Magn.) Rasanen | rimmed lichen | Hymeneliaceae
|
| ASPE15 | Aspicilia perradiata (Nyl.) Hue | rimmed lichen | Hymeneliaceae
|
| ASPE16 | Aspicilia pertusa (Lynge) J. W. Thomson | rimmed lichen | Hymeneliaceae
|
| ASPL60 | Aspicilia plicigera (Zahlbr.) Rasanen | rimmed lichen | Hymeneliaceae
|
| ASPO10 | Aspicilia polychroma (Anzi) Nyl. | manycolor rimmed lichen | Hymeneliaceae
|
| ASQU3 | Aspicilia quartzitica W. A. Weber | quartzite rimmed lichen | Hymeneliaceae
|
| ASRE12 | Aspicilia reptans (Looman) Wetmore | rimmed lichen | Hymeneliaceae
|
| ASRO11 | Aspicilia rolleana Hue | rimmed lichen | Hymeneliaceae
|
| ASRO7 | Aspicilia rosulata Korber | rimmed lichen | Hymeneliaceae
|
| ASRY | Aspicilia ryrkaipiae (H. Magn.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASSO8 | Aspicilia sorediza (Lynge) J. W. Thomson | rimmed lichen | Hymeneliaceae
|
| ASSU19 | Aspicilia sublapponica (Zahlbr.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASSU20 | Aspicilia submersa (Lamy) Hue | submersed rimmed lichen | Hymeneliaceae
|
| ASSU21 | Aspicilia subplicigera (H. Magn.) Oksner | rimmed lichen | Hymeneliaceae
|
| ASSU22 | Aspicilia subradians (Nyl.) Hue | rimmed lichen | Hymeneliaceae
|
| ASSU25 | Aspicilia subsorediza (Lynge) R. Sant. | Bellemerea subsorediza | Porpidiaceae
|
| ASSU23 | Aspicilia supertegens Arnold | rimmed lichen | Hymeneliaceae
|
| ASTE19 | Aspicilia tenuis (H. Magn.) | rimmed lichen | Hymeneliaceae
|
| ASVE12 | Aspicilia verrucigera Hue | rimmed lichen | Hymeneliaceae
|
| ASPIC2 | Aspicilia A. Massal. | rimmed lichen | Hymeneliaceae
|
| ASBI10 | Aspidium biserratum Sw. | Nephrolepis biserrata | Dryopteridaceae
|
| ASCH10 | Aspidium cheilanthoides Kunze | Thelypteris cheilanthoides | Thelypteridaceae
|
| ASFU5 | Aspidium funestum Kunze | Triplophyllum funestum | Dryopteridaceae
|
| ASIN22 | Aspidium invisum Sw. | Thelypteris invisa | Thelypteridaceae
|
| ASMI13 | Aspidium microchlamys Christ | Polystichum microchlamys | Dryopteridaceae
|
| ASFU6 | Aspidothelium fugiens (Mull. Arg.) R. Sant. | Thelenella fugiens | Thelenellaceae
|
| ASCA5 | Aspidotis californica (Hook.) Nutt. ex Copeland | California lacefern | Pteridaceae
|
| ASCA17 | Aspidotis carlotta-halliae (Wagner & Gilbert) Lellinger | tufted lacefern | Pteridaceae
|
| ASDE6 | Aspidotis densa (Brack.) Lellinger | Indian's dream | Pteridaceae
|
| ASPID2 | Aspidotis (Nutt. ex Hook.) Copeland | lacefern | Pteridaceae
|
| ASAL18 | Aspilicia alpina (Sommerf.) Arnold | Bellemerea alpina | Porpidiaceae
|
| ASBE9 | Aspilicia bennettii (Lynge) J. W. Thomson | Aspicilia mashiginensis | Hymeneliaceae
|
| ASCI12 | Aspilicia cinereorufescens (Ach.) A. Massal. | Bellemerea cinereorufescens | Porpidiaceae
|
| ASDI12 | Aspilicia diamarta (Ach.) Boistel | Bellemerea diamarta | Porpidiaceae
|
| ASFL5 | Aspilicia flavida (Hepp) Rehm | Eiglera flavida | Eigleraceae
|
| ASLA20 | Aspilicia lacustris (With.) Th. Fr. | Ionaspis lacustris | Hymeneliaceae
|
| ASME12 | Aspilicia melanaspis (Ach.) Poelt & Leuckert | Lobothallia melanaspis | Hymeneliaceae
|
| ASPE17 | Aspilicia pelobotrya (Wahlenb.) Th. Fr. | Amygdalaria pelobotryon | Porpidiaceae
|
| ASPR18 | Aspilicia praeradiosa (Nyl.) Poelt & Leuckert | Lobothallia praeradiosa | Hymeneliaceae
|
| ASRA11 | Aspilicia radiosa (Hoffm.) Poelt & Leuckert | Lobothallia radiosa | Hymeneliaceae
|
| ASSA19 | Aspilicia sanguinea Krempelh. | Bellemerea sanguinea | Porpidiaceae
|
| ASST14 | Aspilicia stygioplaca (Nyl.) Hue | Aspicilia subradians | Hymeneliaceae
|
| ASSU24 | Aspilicia subradiascens (Nyl.) Hue | Aspicilia subradians | Hymeneliaceae
|
| ASAD9 | Aspiromitus adscendens (Lehm. & Lindenb.) R. M. Schust. | Anthoceros adscendens | Anthocerotaceae
|
| ASAG5 | Aspiromitus agrestis (Paton) Schljakov | Anthoceros agrestis var. agrestis | Anthocerotaceae
|
| ASAL23 | Aspiromitus allionii Steph. | Phaeoceros carolinianus | Anthocerotaceae
|
| ASAP3 | Aspiromitus appalachianus R. M. Schust. | Anthoceros lamellatus | Anthocerotaceae
|
| ASCA46 | Aspiromitus cavernosus (Nees) Schljakov | Anthoceros agrestis var. agrestis | Anthocerotaceae
|
| ASFU7 | Aspiromitus fusiformis (Austin) R. M. Schust. | Anthoceros fusiformis | Anthocerotaceae
|
| ASGR16 | Aspiromitus grossilamellus Steph. | Anthoceros scarious | Anthocerotaceae
|
| ASHU8 | Aspiromitus husnotii (Steph.) Steph. | Anthoceros punctatus | Anthocerotaceae
|
| ASLA23 | Aspiromitus lamellatus (Steph.) R. M. Schust. | Anthoceros lamellatus | Anthocerotaceae
|
| ASMA23 | Aspiromitus macounii (M. Howe) R. M. Schust. | Anthoceros macounii | Anthocerotaceae
|
| ASMI19 | Aspiromitus microsporus Steph. | Phaeoceros mohrii | Anthocerotaceae
|
| ASPUA2 | Aspiromitus punctatus (L.) Schljakov ssp. agrestis (Paton) R. M. Schust. var. agrestis | Anthoceros agrestis var. agrestis | Anthocerotaceae
|
| ASPUD2 | Aspiromitus punctatus (L.) Schljakov ssp. agrestis (Paton) R. M. Schust. var. douinii R. M. Schust. | Anthoceros agrestis var. douinii | Anthocerotaceae
|
| ASPU16 | Aspiromitus punctatus (L.) Schljakov | Anthoceros punctatus | Anthocerotaceae
|
| ASSC17 | Aspiromitus scariosus (Austin) R. M. Schust. | Anthoceros scarious | Anthocerotaceae
|
| ASAB2 | Asplenium abscissum Willd. | cutleaf spleenwort | Aspleniaceae
|
| ASAC4 | Asplenium acuminatum Hook. & Arn. | tapertip spleenwort | Aspleniaceae
|
| ASAD | Asplenium adiantum-nigrum L. | black spleenwort | Aspleniaceae
|
| ASAE2 | Asplenium aethiopicum (N.L. Burm.) Becherer | Egyptian spleenwort | Aspleniaceae
|
| ASAL12 | Asplenium alloeopteron Kunze ex Klotzsch | Asplenium radicans | Aspleniaceae
|
| ASAL10 | Asplenium �alternifolium Wulfen (pro sp.) | | Aspleniaceae
|
| ASAN9 | Asplenium andrewsii A. Nels. | Asplenium adiantum-nigrum | Aspleniaceae
|
| ASAN10 | Asplenium anthriscifolium Jacq. | Asplenium pumilum | Aspleniaceae
|
| ASAU2 | Asplenium auriculatum Sw. | treetrunk spleenwort | Aspleniaceae
|
| ASAUA | Asplenium auritum Sw. var. auritum | eared spleenwort | Aspleniaceae
|
| ASAUB | Asplenium auritum Sw. var. bipinnatifidum Kunze | eared spleenwort | Aspleniaceae
|
| ASAU3 | Asplenium auritum Sw. | eared spleenwort | Aspleniaceae
|
| ASBI3 | Asplenium �biscaynianum (D.C. Eat.) A.A. Eat. (pro sp.) | | Aspleniaceae
|
| ASBO6 | Asplenium �boydstoniae (Walt.) Short | | Aspleniaceae
|
| ASBR2 | Asplenium bradleyi D.C. Eat. | Bradley's spleewort | Aspleniaceae
|
| ASCA41 | Asplenium caudatum G. Forst. | speenwort | Aspleniaceae
|
| ASCI6 | Asplenium cirrhatum L.C. Rich. ex Willd. | chestnut scale spleenwort | Aspleniaceae
|
| ASCL3 | Asplenium �clermontiae Syme | | Aspleniaceae
|
| ASCOC4 | Asplenium contiguum Kaulfuss var. contiguum | forest spleenwort | Aspleniaceae
|
| ASCOH | Asplenium contiguum Kaulfuss var. hirtulum C. Christens. | forest spleenwort | Aspleniaceae
|
| ASCO14 | Asplenium contiguum Kaulfuss | forest spleenwort | Aspleniaceae
|
| ASCO35 | Asplenium corderoanum Proctor | Rio Abajo spleenwort | Aspleniaceae
|
| ASCR6 | Asplenium cristatum Lam. | parsley spleenwort | Aspleniaceae
|