You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan Place Plentiful in G.T.R. freight yards above Tunnel Station, near Port Huron. Remove constraint Place: Plentiful in G.T.R. freight yards above Tunnel Station, near Port Huron. Place USA Remove constraint Place: USA Topic Caryophyllales Remove constraint Topic: Caryophyllales Topic Plantae Remove constraint Topic: Plantae Topic Spergularia Remove constraint Topic: Spergularia