FH: 00470437 Peltigera rufescens (Weiss) Humboldt USA: Colorado [data not captured] I. Laidig 1928-7-9
FH: 00470733 Peltigera venosa (Linnaeus) Hoffmann USA: Colorado [data not captured] I. Laidig 1928-8-16
FH: 00472513 Phaeophyscia hirsuta (Mereschkowski) Esslinger USA: Colorado [data not captured] I. Laidig 1928-6-21
FH: 00472357 Physcia biziana (A. Massalongo) Zahlbruckner USA: Colorado [data not captured] I. Laidig 1928-6-22
FH: 00472513 Physcia hirsuta Mereschkowski USA: Colorado [data not captured] I. Laidig 1928-6-21
FH: 00472045 Physcia sp. USA: Colorado [data not captured] I. Laidig 1928-8-23
FH: 00467536 Xanthoparmelia conspersa (Ehrhart ex Acharius) Hale USA: Colorado [data not captured] I. Laidig 1928-7-9
FH: 00467538 Xanthoparmelia conspersa (Ehrhart ex Acharius) Hale USA: Colorado [data not captured] I. Laidig 1928-8-17
FH: 00468584 Xanthoparmelia stenophylla (Acharius) Ahti & D. Hawksworth USA: Colorado [data not captured] I. Laidig 1928-8-9
FH: 00407610 Xanthoria parietina (Linnaeus) Th. Fries USA: Colorado [data not captured] I. Laidig 1928-6-21
FH: 00407611 Xanthoria parietina (Linnaeus) Th. Fries USA: Colorado [data not captured] I. Laidig 1928-6-21
Cladoniaceae FH: 00428483 Cladonia grayi G. Merrill ex Sandstede USA: Colorado [data not captured] I. Laidig 3 1928-7-9
FH: 00440824 Cladonia pyxidata (Linnaeus) Hoffmann USA: Colorado [data not captured] I. Laidig 41 1928
FH: 00426164 Cladonia ramulosa (Withering) J. R. Laundon USA: Colorado [data not captured] I. Laidig 24 1928
Parmeliaceae FH: 00437012 Flavoparmelia caperata (Linnaeus) Hale USA: Colorado [data not captured] I. Laidig 1928-6-18
FH: 00437013 Flavoparmelia caperata (Linnaeus) Hale USA: Colorado [data not captured] I. Laidig 1928-6-22
FH: 00437014 Flavoparmelia caperata (Linnaeus) Hale USA: Colorado [data not captured] I. Laidig 1928-7-9
FH: 00453837 Melanohalea exasperatula (Nylander) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Colorado [data not captured] I. Laidig 1928-6-28
FH: 00454073 Melanohalea subolivacea (Nylander ex Hasse) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Colorado [data not captured] I. Laidig 1928-6-17
FH: 00454075 Melanohalea subolivacea (Nylander ex Hasse) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Colorado [data not captured] I. Laidig 1928-6-17
FH: 00468444 Parmelia saxatilis (Linnaeus) Acharius USA: Colorado [data not captured] I. Laidig 1928-7-9
FH: 00474731 Pseudevernia intensa (Nylander) Hale & W. L. Culberson USA: Colorado [data not captured] I. Laidig 1928-7-9
FH: 00493701 Usnea hirta (Linnaeus) Weber ex F. H. Wiggers USA: Colorado [data not captured] I. Laidig 1928-7-9
