| Scientific Name | Global Rank | State Rank |
|---|---|---|
| Acroscyphus sphaerophoroides Leveille | GNR | S1 |
| Anaptychia bryorum Poelt | G2G4 | S2S3 |
| Aspicilia caesiopruinosa (H. Magn.) J.W. Thomson | GNR | S1 |
| Bryoria friabilis Brodo & D. Hawksw. | G3G4 | S2S3 |
| Bryoria pikei Brodo & D. Hawksw. | G3G4 | S2 |
| Bryoria subcana (Nyl. ex Stizenb.) Brodo & D. Hawksw. | G3G5 | S1 |
| Bunodophoron melanocarpum (Sw.) Wedin | GNR | S2S3 |
| Cavernularia lophyrea (Ach.) Degel. | G2G3 | S2S3 |
| Cladonia alaskana A. Evans | G3G4 | S3 |
| Cladonia luteoalba A. Wilson & Wheldon | G2 | S1 |
| Epigloea medioincrassata (Grumm.) Dobbeler | G2G4 | S1 |
| Erioderma pedicellatum (Hue) P. Jorg. | G1G2 | S2 |
| Erioderma sorediatum D. J. Galloway & P.M. Jørg. | G4 | S2 |
| Evernia prunastri (L.) Ach. | G5 | S3? |
| Fuscopannaria ahlneri (P. M. Jorg.) P. M. Jorg. | G4G5 | S2S3 |
| Fuscopannaria alaskana P. M. Jorg. & Tonsberg | G1 | S2 |
| Fuscopannaria globigera Fryday & P. M. Jorg. | G1G2 | S1 |
| Glypholecia scabra (Pers.) Mull. | G3 | S1S2 |
| Heterodermia sitchensis Goward & Noble | G2G3 | S2S4 |
| Hypogymnia inactiva (Krog) Ohlsson | G3 | S2S4 |
| Hypogymnia oceanica Goward | G2G3 | S3S5 |
| Hypogymnia pulverata Nyl. ex Crombie) Elix | G5 | S2 |
| Leioderma sorediatum D.J. Galloway & P.M. Jørg. | G4 | S1 |
| Leptogium parculum Nyl. | G1 | S1 |
| Lobaria amplissima (Scop.) Forss. | GNR | S1S3 |
| Lobaria retigera (Bory) Trevis. | GNR | S2S3 |
| Nephroma occultum Wetmore | G4 | S1 |
| Niebla cephalota (Tuck.) Rundel & Bowler | G3G4 | S1 |
| Pannaria rubiginella P. M. Jørg. & Sipman | GNR | S1S2 |
| Parmeliella parvula P. M. Jørg. | GNR | S2S3 |
| Parmotrema arnoldii (Du Rietz) Hale | G3G5 | S2S3 |
| Parmotrema crinitum (Ach.) M.Choisy | G3G5 | S2 |
| Peltigera cinnamomea Goward | GNR | S2 |
| Peltigera gowardii Lendemer & H. O'Brien | G4 | S1 |
| Phaeophyscia kairamoi (Vain.) Moberg | G3G4 | S3S5 |
| Physciella chloantha (Ach.) Essl. | G5? | S2 |
| Pilophorus cereolus (Ach.) Th. Fr. | G3G4 | S2 |
| Pilophorus clavatus Th. Fr. | G2G4 | S2S3 |
| Placynthium stenophyllum (Tuck.) Fink | G2G4 | SU |
| Pseudocyphellaria mallota (Tuckerman) H. Magnusson | G4 | S1S3 |
| Pseudocyphellaria perpetua McCune & Miadlikowska | G4 | S2S3 |
| Pseudocyphellaria rainierensis Imshaug | G3G4 | S2S3 |
| Pycnothelia papillaria Dufour | G3G5 | S2 |
| Pyrrhospora quernea (Dickson) Körber | G4 | S1S3 |
| Ramalina obtusata (Arnold) Bitter | G5? | S1 |
| Ramalina subleptocarpha Rundel & Bowler | G3G5 | S2S3 |
| Rhizocarpon cumulatum J. W. Thomson | G1 | S1 |
| Stereocaulon nanodes Tuck. | G3 | S1S2 |
| Stereocaulon octomerum Müll. Arg. | GNR | S1S2 |
| Stereocaulon pileatum Ach. | G2G4 | S1S2 |
| Stereocaulon saviczii Du Rietz | G3 | S3S5 |
| Stereocaulon spathuliferum Vainio | G4G5 | S2 |
| Sticta oroborealis Goward & Tonsberg | GNR | S2 |
| Sticta wrightii Tuck. | GNR | S1S2 |
| Umbilicaria angulata Tuck. | G2 | S3 |
| Umbilicaria aprina Nyl. | GNR | S1 |
| Umbilicaria decussata (Vill.) Zahlbr. | G3? | S2 |
| Umbilicaria havaasii Llano | G3 | S2S3 |
| Umbilicaria hirsuta (Sw. ex Westr.) Hoffm. | G2G4 | S2 |
| Umbilicaria krascheninnikovii (Savicz) Zahlbr. | G4? | S2 |
| Umbilicaria lyngei Schol. | G3 | S3 |
| Umbilicaria rigida (Du Rietz) Frey | G2 | S3 |
| Umbilicaria scholanderi (Llano) Krog | G1 | S3 |
| Vestergrenopsis elaeina (Wahlenb.) Gyelnik | GNR | S2S3 |
Alaska Center for Conservation Science
Fostering research, education, and collaboration on biological conservation and natural resource management in Alaska and the Arctic