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 #: 04440554
b67ba55a-a452-4c53-b6ee-5fd66c7a323a
s.n.
Opegrapha filicina Mont.

New York Botanical Garden
Catalog #: 4440555
9f66d73c-115c-4618-8843-e175fc2fd55d
s.n.
Opegrapha filicina Mont.

University of California Berkeley, University Herbarium
Catalog #: UC1936594
99f81c9d-d543-410c-841b-3a791a0ee963
A. B. Langlois #244 00 September 1898
Opegrapha Ach.
United States, Louisiana, St. Martin, Near Saint Martinsville.

University of Michigan Herbarium
Catalog #: 114689
98621f74-0b1f-47e8-80e6-ca212f6f3410
A. B. Langlois #s. n. 00 September 1898
Opegrapha filicina Mont.
United States, Louisiana, no data, Near St. Martinsville

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT019060
A. B. Langlois #s.n. 00 September 1898
Opegrapha filicina Mont.
United States of America, Louisiana, St. Martinville; Near St. Martinville

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00103246
Clara Eaton Cummings #185 18 May 1895
Umbilicaria polyrhiza (L.) Fr.
United States, California, Mariposa, Wawona;

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0028715
Rev. A. B. Langlois #s.n. 00 September 1898
Opegrapha filicina Mont.
United States, Louisiana, Near St. Martinville