Polygonum cespitosum var. longisetum (Bruijn) Steward
Polygonaceae
MCA filed-as name
Harold W. Pretz
13800
1947-07-12
United States, Pennsylvania, Lehigh, on a spur of the South Mountains along Lehigh River; along L.V. Railroad about 2 1/8 miles ENE of Center Square, Allentown