Underwood & Cook, Hepat. Amer.
Underwood, L.M.; Cook, O.F. [1 - 200]

Michigan State University
Catalog #: MSC-B-0013075
L. M. Underwood #s.n. 00 July 1887
Porella pinnata L.
United States, Connecticut, Litchfield, Litchfield

Academy of Natural Sciences of Drexel University
Catalog #: PH00144707
L. M. Underwood #s.n. 00 July 1887
Porella pinnata L.
USA, Connecticut, Litchfield, Litchfield;

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000255179
L. M. Underwood #s.n. 00 July 1887
Porella pinnata L.
United States, Connecticut, Litchfield, [No Loc]

Farlow Herbarium
Catalog #: barcode-00506083
L. M. Underwood & O. F. Cook #s.n.
Madotheca porella Nees
United States of America, Connecticut, Litchfield County, [no additional data]

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.212841
urn:uuid:036f90de-d195-4e02-a0f6-12d2c2a8836e
Lucien Marcus Underwood s.n. 00 July 1887
Porella pinnata L.
United States of America, Connecticut, Litchfield

Shirley C. Tucker Herbarium at Louisiana State University
Catalog #: LSU00186330
Unknown #s.n. 00 July 1887
Porella pinnata L.
United States, Connecticut, Litchfield

Field Museum of Natural History
Catalog #: C0079592F
1fca6c95-4653-42a3-9ce5-e6e3bde5dae0
[collector unknown] #9 00 July 1889
Porella pinnata L.
United States, Connecticut, Litchfield, [precise locality unknown]

Farlow Herbarium
Catalog #: barcode-00508912
[no data available] #s.n.
Porella pinnata Linnaeus
United States of America, Connecticut, Litchfield County, [no additional data]

Michigan State University
Catalog #: MSC-B-0012577
[Unspecified] #s.n. 00 July 1887
Madotheca porella Nees
United States, Connecticut, Litchfield, [No loc]