Checklist of lichens of Rhode Island (USA)
31 December 2018
- Acrocordia gemmata (Ach.) A. Massal. - Bennet (1888: as Pyrenula gemmata)
- Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Flenniken (2002: 13)
- Calicium salicinum Pers. - Bennet (1888: as Calicium trachelinum)
- Candelaria concolor (Dicks.) Arnold - Flenniken (2002: 13)
- Cetraria arenaria Kärnefelt - Bennet (1888: as Cetraria islandica), Flenniken (2002: 13)
- Cladonia arbuscula (Wallr.) Flot. - Flenniken (2002: 13 as Cladina mitis)
- Cladonia atlantica A. Evans - Flenniken (2002: 13)
- Cladonia boryi Tuck. - Flenniken (2002: 13)
- Cladonia caespiticia (Pers.) Flörke - Flenniken (2002: 13)
- Cladonia caroliniana Tuck. - Flenniken (2002: 13)
- Cladonia coniocraea (Flörke) Spreng. - Flenniken (2002: 13)
- Cladonia conista (Ach.) Robbins - Flenniken (2002: 14)
- Cladonia cristatella Tuck. - Flenniken (2002: 14)
- Cladonia didyma (Fée) Vain. - Flenniken (2002: 14)
- Cladonia fimbriata (L.) Fr. - Flenniken (2002: 14)
- Cladonia floridana Vain. - Flenniken (2002: 14)
- Cladonia furcata (Huds.) Schrader - Flenniken (2002: 14)
- Cladonia gracilis Flörke - Flenniken (2002: 14)
- Cladonia grayi G. Merr. ex Sandst. - Flenniken (2002: 14)
- Cladonia macilenta Hoffm. - Flenniken (2002: 14)
- Cladonia mitis Sandst. - Flenniken (2002: 13 as Cladina mitis)
- Cladonia multiformis G. Merr. - Flenniken (2002: 14)
- Cladonia parasitica (Hoffm.) Hoffm. - Flenniken (2002: 14)
- Cladonia pleurota (Flörke) Schaer. - Flenniken (2002: 14)
- Cladonia pyxidata (L.) Hoffm. - Flenniken (2002: 14)
- Cladonia ramulosa (With.) J. R. Laundon - Flenniken (2002: 14)
- Cladonia rei Schaer. - Flenniken (2002: 14)
- Cladonia sobolescens Nyl. ex Vain. - Flenniken (2002: 14)
- Cladonia squamosa Hoffm. - Flenniken (2002: 14)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Flenniken (2002: 13 as Cladina stellaris)
- Cladonia strepsilis (Ach.) Grognot - Flenniken (2002: 14)
- Cladonia subcariosa Nyl. - Flenniken (2002: 14 as Cladonia polycarpoides)
- Cladonia submitis A. Evans - Flenniken (2002: 13 as Cladina submitis)
- Cladonia subtenuis (Abbayes) Mattick - Flenniken (2002: 13 as Cladina subtenuis)
- Cladonia turgida Hoffm. - Flenniken (2002: 14)
- Cladonia uncialis (L.) Weber ex F. H. Wigg. - Flenniken (2002: 14)
- Cyphelium tigillare (Ach.) Ach. - Bennet (1888: as Acolium tigillare)
- Dermatocarpon luridum (With.) J. R. Laundon - Bennet (1888: as Endocarpon miniatum var. aquaticum)
- Dermatocarpon miniatum (L.) W. Mann - Bennet (1888: as Endocarpon miniatum), Bennet (1888: as Endocarpon miniatum var. complicatum unclear)
- Dibaeis baeomyces (L. f.) Rambold & Hertel - Flenniken (2002: 14)
- Dimelaena oreina (Ach.) Norman - Flenniken (2002: 14)
- Evernia mesomorpha Nyl. - Flenniken (2002: 14)
- Flavoparmelia baltimorensis (Gyeln. & Foriss.) Hale - Flenniken (2002: 14)
- Flavoparmelia caperata (L.) Hale - Flenniken (2002: 14)
- Flavopunctelia soredica (Nyl.) Hale - Flenniken (2002: 14)
- Graphis scripta (L.) Ach. - Bennet (1888: xx as Graphis scripta var. serpentina)
- Hypogymnia physodes
(L.) Nyl. - Flenniken (2002: 14)
- Hypotrachyna livida (Taylor) Hale - Flenniken (2002: 14)
- Imshaugia aleurites (Ach.) S. F. Meyer - Bennet (1888: as Cetraria aleurites), Flenniken (2002: 14)
- Imshaugia placorodia (Ach.) S. F. Meyer - Bennet (1888: as Cetraria placorodia), Flenniken (2002: 14)
- Lasallia papulosa (Ach.) Llano - Flenniken (2002: 14)
- Lasallia pensylvanica (Hoffm.) Llano - Flenniken (2002: 14)
- Leptogium milligranum Sierk - Raithel & Flenniken (2008: 72)
- Lobaria pulmonaria (L.) Hoffm. - Raithel & Flenniken (2008: 72)
- Lobaria quercizans Michx. - Raithel & Flenniken (2008: 72)
- Melanelixia fuliginosa (Fr. ex Duby) O. Blanco et al. - Flenniken (2002: 14 as Melanelia fuliginosa)
- Melanelixia subaurifera (Nyl.) O. Blanco et al. - Flenniken (2002: 15 as Melanelia subaurifera)
- Myelochroa aurulenta (Tuck.) Elix & Hale - Flenniken (2002: 15)
- Myelochroa galbina (Ach.) Elix & Hale - Flenniken (2002: 15)
- Parmelia saxatilis (L.) Ach. - Flenniken (2002: 15)
- Parmelia squarrosa Hale - Flenniken (2002: 15)
- Parmelia sulcata Taylor - Flenniken (2002: 15)
- Parmotrema hypotropum (Nyl.) Hale - Flenniken (2002: 15)
- Parmotrema perforatum (Jacq.) A. Massal. - Bennet (1888: as Parmelia perforata), Flenniken (2002: 15)
- Parmotrema perlatum (Hudson) M. Choisy - Bennet (1888: as Parmelia perlata)
- Parmotrema reticulatum (Taylor) M. Choisy - Flenniken (2002: 15 as Rimelia reticulata)
- Peltigera canina (L.) Willd. - Flenniken (2002: 15)
- Peltigera didactyla (With.) J. R. Laundon - Flenniken (2002: 15)
- Peltigera elizabethae Gyeln. - Flenniken (2002: 15)
- Peltigera praetextata (Flörke ex Sommerf.) Zopf - Flenniken (2002: 15)
- Phaeophyscia adiastola (Essl.) Essl. - Flenniken (2002: 15)
- Phaeophyscia rubropulchra (Degel.) Essl. - Flenniken (2002: 15)
- Physcia adscendens (Fr.) H. Olivier - Flenniken (2002: 15)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Flenniken (2002: 15)
- Physcia millegrana Degel. - Flenniken (2002: 15)
- Physcia stellaris (L.) Nyl. - Flenniken (2002: 15)
- Physcia subtilis Degel. - Flenniken (2002: 15)
- Physciella chloantha (Ach.) Essl. - Flenniken (2002: 15)
- Physconia detersa (Nyl.) Poelt - Flenniken (2002: 15)
- Physconia leucoleiptes (Tuck.) Essl. - Flenniken (2002: 15)
- Placidium arboreum (Schwein. ex E. Michener) Lendemer - Raithel & Flenniken (2008: 72)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Flenniken (2002: 16 as Xanthoria polycarpa)
- Punctelia missouriensis Wilhelm & Ladd - Flenniken (2002: 15)
- Punctelia rudecta (Ach.) Krog - Flenniken (2002: 15)
- Pycnothelia papillaria (Ehrh.) L.M. Dufour - Flenniken (2002: 15)
- Ramalina americana H. Magn. ex Hale - Bennet (1888: as Ramalina calicaris), Bennet (1888: as Ramalina fraxinea), Bennet (1888: as Ramalina fastigiata), Flenniken (2003: xxx)
- Ramalina farinacea (L.) Ach. - Flenniken (2003)
- Ramalina pollinaria (Westr.) Ach. - Flenniken (2003)
- Ramalina willeyi R. Howe - Bennet (1888: as Ramalina rigida), Flenniken (2003), Raithel & Flenniken (2008: 72)
- Sphinctrina turbinata (Pers.: Fr.) De Not. - Bennet (1888: xx as Calicium turbinatum)
- Stereocaulon pileatum Ach. - Raithel & Flenniken (2008: 72)
- Teloschistes chrysophthalmus (L.) Th. Fr. - Bennet (1888: as Theloschistes chrysophthalmus)
- Teloschistes flavicans (Sw.) Norman - Bennet (1888: as Theloschistes flavicans)
- Tuckermanella fendleri (Nyl.) Hale - Bennet (1888: as Cetraria fendleri), Flenniken (2002: 15 as Tuckermannopsis fendleri)
- Tuckermannopsis americana (Sprengel) Hale - Bennet (1888: xx as Cetraria ciliaris), Flenniken (2002: 15)
- Tuckermannopsis ciliaris (Ach.) Gyeln. - Flenniken (2002: 15)
- Usnocetraria oakesiana (Tuck.) M. J. Lai & C. J. Wei - Flenniken (2002: 13 as Allocetraria oakesiana)
- Umbilicaria americana Poelt & T. Nash - Flenniken (2002: 15)
- Umbilicaria mammulata (Ach.) Tuck. - Flenniken (2002: 15)
- Umbilicaria muehlenbergii (Ach.) Tuck. - Flenniken (2002: 15)
- Usnea hirta (L.) F. H. Wigg. - Flenniken (2002: 15)
- Usnea strigosa (Ach.) Eaton - Flenniken (2002: 15)
- Usnea subfloridana Stirt. - Flenniken (2002: 16)
- Usnea subfusca Stirt. - Flenniken (2002: 16)
- Verrucaria nigrescens Pers. - Bennet (1888)
- Verrucaria muralis Ach. - Bennet (1888)
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Flenniken (2002: 16)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Flenniken (2003)
- Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer - Flenniken (2002: 16 erroneously as Xanthoparmelia tasmanica)
- Xanthoparmelia plittii (Gyeln.) Hale - Flenniken (2003)
- Xanthoparmelia stenophylla (Ach.) Ahti & D. Hawksw. - Flenniken (2002: 16 as Xanthoparmelia somloensis)
- Xanthoria parietina (L.) Th. Fr. - Flenniken (2002: 16)