You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Honolulu Remove constraint Place: Honolulu Place Keawaula, large colony within 50' of Xintermedium 3624 Remove constraint Place: Keawaula, large colony within 50' of Xintermedium 3624 Place USA Remove constraint Place: USA Topic Psilotum Remove constraint Topic: Psilotum