Merrill, Lich. Exs. Ser. I [Rockland (Maine)]
George K. Merrill [1-275]
IndExs #309684157

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.237258
urn:uuid:8534143A-24E7-4F22-9AE8-3A894896D9C2
C. C. Plitt s.n.
Lecidea albocaerulescens (Wulfen) Ach.
United States, Maryland, Near Baltimore

University of Michigan Herbarium
Catalog #: 105759
0d7c89a5-466e-4081-af06-241aec8f24db
C. C. Plitt #s. n.
Huilia albocaerulescens (Wulfen) Hertel
United States, Maryland, no data, Near Baltimore

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016075
C. C. Plitt #s.n.
Lecidea albocaerulescens (Wulfen) Ach.
United States of America, Maryland, Baltimore, Near Baltimore

West Virginia University Herbarium - Lichens
Catalog #: WVA-L-0001650
C. C. Plitt #s.n.
Porpidia albocaerulescens (Wulfen) Hertel & Knoph
United States, Maryland, Near Baltimore

University of Florida Herbarium - Lichens
Catalog #: FLAS L8797
C.C. Plitt s.n.
Lecidea albocaerulescens (Wulfen) Ach.
United States, Maryland, Baltimore, near Baltimore

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0036152
C.C. Plitt #L 46677
Porpidia albocaerulescens (Wulfen) Hertel & Knoph
United States, Maryland, near Baltimore

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0036153
C.C. Plitt #L 73617
Porpidia albocaerulescens (Wulfen) Hertel & Knoph
United States, Maryland, near Baltimore

Duke University Herbarium Lichen Collection
Catalog #: 307879
c10dd09c-fa34-11e2-a92b-005056000560
Plitt, Charles, C. #s.n.
Porpidia albocaerulescens (Wulfen) Hertel & Knoph
United States, Maryland, Baltimore Co., Near Baltimore