Wetmore, Lich. Exs. Min. [St. Paul (Minnesota)]
Clifford M. Wetmore [1-225]
IndExs #840155422

Arizona State University Lichen Herbarium
Catalog #: 503306
C.M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Bruce, Pine Tree Point on Bruce Peninsula, flat point into Lake Huron

University of Wisconsin - Madison
Catalog #: WIS-L-0085585
C.M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Bruce, Pine Tree Point on Bruce Peninsula, flat point into Lake Huron

Uppsala University Exsiccati
Catalog #: L-108519
Clifford M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Pine tree Point on Bruce Peninsula. Limestone rock on broad flat point into Lake Huron

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0035675
Clifford M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Pine Tree point on Bruce Peninsula, on broad flat point into Lake Huron

Academy of Natural Sciences of Drexel University
Catalog #: PH00095828
Clifford M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Pine Tree Point on Bruce Peninsula

Academy of Natural Sciences of Drexel University
Catalog #: PH00095832
Clifford M. Wetmore #3971 20 June 1959
Placynthium nigrum (Hudson) Gray
Canada, Ontario, Pine Tree Point on Bruce Peninsula.