Matteuccia struthiopteris var. pensylvanica (Willd.) C.V. Morton
Onocleaceae
Greg K. Gremaud
s.n.
1987-05-06
1987-5-6
United States, Missouri, Harrison, Ca. 3.0 mi NW of Hatfield, Grand River Section of Glaciated Plains Natural Division creek bottom and mesic slope along Lotts Creek