Cummings, Williams & Seymour, Lich. Bor.-Amer. [Wellesley (Massachusetts)]
Cummings, C.E.; Williams, T.A.; Seymour, A.B. [1-280]
IndExs #238641321

New York Botanical Garden
Catalog #: 4440532
cd466280-64c5-4e73-a614-e13bb6832bc0
s.n.
Mycoporum pycnocarpum Nyl.

Montana State University Herbarium - Lichen
Catalog #: MONT-L-0006535
Clara E. Cummings #148 04 August 1896
Rhizocarpon geographicum (L.) DC.
United States, New Hampshire, Mt. Lafayette, Franconia Mts.

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00101709
Clara Eaton Cummings #148 04 August 1896
Rhizocarpon geographicum (L.) DC.
United States, New Hampshire, Mt. Lafayette, Franconia Mts.

University of Michigan Herbarium
Catalog #: 113474
041e1591-2fd3-47f6-8dda-5d1c1f3132a6
T. A. Williams #s. n. 00 May 1898
Mycoporum pycnocarpum Nyl.
United States, Washington, D.C., no data, Washington, DC, Takoma Park

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016239
T. A. Williams #s.n. 00 May 1898
Mycoporum pycnocarpum Nyl.
United States of America, District of Columbia, Takoma Park, D.C.

University of California Berkeley, University Herbarium
Catalog #: UC1936568
7c25937f-a610-4ec8-a255-346efb7762b7
Thomas A. Williams #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R. C. Harris
United States, Maryland, Takoma Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Lichens
Catalog #: NEB00032126
Thos. A. Williams #=N.A.L. 286 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
USA, District of Columbia, Takoma Park

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0027444
Thos. A. Williams #s.n. 00 May 1898
Mycoporum compositum (A. Massal.) R.C. Harris
United States, District of Columbia, Takoma Park