You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Iowa Remove constraint Place: Iowa Place North America Remove constraint Place: North America Place Plant No. 1. from Sec. 24. Washington, Twns. Westergreen farm No. 2. third station down creek Remove constraint Place: Plant No. 1. from Sec. 24. Washington, Twns. Westergreen farm No. 2. third station down creek Place USA Remove constraint Place: USA Topic Ophioglossaceae Remove constraint Topic: Ophioglossaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Sceptridium Remove constraint Topic: Sceptridium Type still image Remove constraint Type: still image