Dryopteris expansa

• Main Author: Louis H. Jordal
• Format: Still Image
• Language: unknown
• Published: University of Michigan Herbarium Catalog Collection 1949
• Subjects: Plantae; Polypodiopsida; Polypodiales; Dryopteridaceae; Dryopteris; Attu Island; Massacre Bay; Attu; Alaska
• Online Access: http://name.umdl.umich.edu/IC-HERB00IC-X-1625144%5DMICH-V-1625144; https://quod.lib.umich.edu/cgi/i/image/api/thumb/herb00ic/1625144/MICH-V-1625144/!250,250; https://quod.lib.umich.edu/cgi/i/image/api/manifest/herb00ic:1625144:MICH-V-1625144

Pteridophytes