Collectors of lichens of North Dakota (USA) Version 31 December 2017

 

1. Disrud, Dennis T.: - Samples from a investigation of lichens on birch are filed in the herbaria of the author, partly also in US.

2. Wetmore, Clifford: -

3. Trana, Thomas D.: - Samples from a investigation of lichens on birch are filed in the herbaria of the author, partly also in US.