Valsaria exasperans (W. R. Gerard) Sacc.

Valsaria exasperans is a species of .

EOL has data for one attribute:

has host
- URI: http://purl.obolibrary.org/obo/RO_0002454
- Attribution: From OBO Relation Ontology
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Populus tremuloides Michx. (quaking aspen)