Harvard University Herbaria & Libraries

FH: 00389069 Arthonia caesia (Flotow) Körber USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389224 Candelariella vitellina (Hoffmann) Müller Argoviensis USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389225 Candelariella vitellina (Hoffmann) Müller Argoviensis USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389507 Endocarpon pusillum Hedwig USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389793 Micarea erratica (Körber) Hertel, Rambold & Pietschmann USA: Massachusetts [data not captured] E. Lay 2002
FH: 00405418 Physcia subtilis Degelius USA: Massachusetts [data not captured] E. Lay 2002
FH: 00405454 Polysporina lapponica (Schaerer) Degelius USA: Massachusetts [data not captured] E. Lay 2002
FH: 00405456 Polysporina lapponica (Schaerer) Degelius USA: Massachusetts [data not captured] E. Lay 2002
Acarosporaceae
FH: 00389013 Acarospora smaragdula (Wahlenberg) A. Massalongo USA: Massachusetts [data not captured] E. Lay 2002
Caloplacaceae
FH: 00389149 Caloplaca citrina (Hoffmann) Th. Fries USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389154 Caloplaca citrina (Hoffmann) Th. Fries USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389163 Caloplaca feracissima H. Magnusson USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389177 Caloplaca scopularis (Nylander) Lettau USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389179 Caloplaca scopularis (Nylander) Lettau USA: Massachusetts [data not captured] E. Lay 2002
Lecanoraceae
FH: 00389702 Lecanora xylophila Hue USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389703 Lecanora xylophila Hue USA: Massachusetts [data not captured] E. Lay 2002
FH: 00389704 Lecanora xylophila Hue USA: Massachusetts [data not captured] E. Lay 2002
FH: 00405383 Pyrrhospora varians (Acharius) R. C. Harris USA: Massachusetts [data not captured] E. Lay 2002
Physciaceae
FH: 00405422 Physciella chloantha (Acharius) Esslinger USA: Massachusetts [data not captured] E. Lay 2002
Trapeliaceae
FH: 00405440 Placynthiella icmalea (Acharius) Coppins & P. James USA: Massachusetts [data not captured] E. Lay 2002
Xanthopyreniaceae
FH: 00405361 Collemopsidium halodytes (Nylander) M. Grube & B. D. Ryan USA: Massachusetts [data not captured] E. Lay 2002