You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place At power line crossing of N-flowing tributaries to Patsiliga Creek, ca 3.5 air mi NW of Butler, Butler West 7.5' Quad. Remove constraint Place: At power line crossing of N-flowing tributaries to Patsiliga Creek, ca 3.5 air mi NW of Butler, Butler West 7.5' Quad.