Cummings & Seymour: Dec. N. Amer. Lich.
Clara Eaton Cummings & Arthur Bliss Seymour [1 - 150]

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000157891
Howe, M.A. #133 00 February 1893
Lecanora pacifica Tuck.
United States, California

Duke University Herbarium Lichen Collection
Catalog #: 149109
ba3522b9-fa34-11e2-a92b-005056000560
Howe, Marshall, A. #s.n. 00 February 1893
Lecanora caesiorubella Ach.
United States, California, Alameda Co., Berkeley

Brigham Young University
Catalog #: BRY-L-0020929
Larry L. St. Clair #15525 08 August 2006
UMBILICARIA VIRGINIS Schaer.
United States, Utah, Summit, Wasatch-Cache National Forest: Bald Mountain vicinity, tallus slope area

Montana State University Herbarium
Catalog #: MONT-L-0003530
M.A. Howe #133 00 February 1893
Lecanora albella (Pers.) Ach.
United States, California, Alameda, Berkeley

University of Michigan Herbarium
Catalog #: 62846
M.A. Howe #Feb 1893 00 February 1893
Lecanora caesiorubella subsp. merrillii Imshaug & Brodo
United States, California, Alameda, Berkeley

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.238378
urn:uuid:622241E6-D93B-4451-8AC1-D54B8F57C31E
Marshall A. Howe s.n. 00 February 1893
Lecanora pallida (Schreb.) Rabenh.
United States, California, Alameda, Berkeley; Berkeley

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00030219
Marshall A. Howe #s.n. 00 February 1893
Lecanora caesiorubella subsp. caesiorubella
USA, California, Berkeley;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00030383
Marshall A. Howe #s.n. 00 February 1893
Lecanora pacifica Tuck.
USA, California, Berkeley;

University of Wisconsin - Madison
Catalog #: WIS-L-0087691
Marshall A. Howe #s.n. 00 February 1893
Lecanora caesiorubella subsp. merrillii Imshaug & Brodo
United States, California, Alameda, Berkeley