You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Place SE1/4 of Sec 28 R11W T13N Field just south of Croton Reservoir Shoreline Remove constraint Place: SE1/4 of Sec 28 R11W T13N Field just south of Croton Reservoir Shoreline Place USA Remove constraint Place: USA Topic Asteraceae Remove constraint Topic: Asteraceae Topic Asterales Remove constraint Topic: Asterales