24170R. D. Thomas, Bio. 451 152901969-07-21
U.S.A., Arkansas, Independence, Beside Polk Bayou, N of road from Cushman to Sandtown.
24171R. D. Thomas, Bot. 313 359611973-07-09
U.S.A., Louisiana, Ouachita, N. of I-20 between exit of U.S. 80 and La. 151 near Curry Creek.
26312R. D. Thomas, et al. 236971971-06-25
U.S.A., Mississippi, Marion, Beside Miss. 35, S of Sandy Hook.
26313R. D. Thomas, et al. 237541971-06-25
U.S.A., Louisiana, Washington, Beside La. 21, N of Angie at Ard's Creek
32172P. F. Zika 236762007-10-24
U.S.A., Washington, Whatcom, Newkirk Road, Ferndale, 48.863333 -122.58, 15m
32173Peter F. Zika 237732007-11-30
U.S.A., Oregon, Polk, c. 5 air km W of Monmouth, 44.845 -123.291667, 150m
32174Peter F. Zika 237042007-11-06
U.S.A., Washington, Mason, Deckerville Road near W Doggone Lane, E of Deckerville, 47.228333 -123.466667, 115m
34839C. Davidson, P. Manos, S. Christoph 119182011-10-15
U.S.A., North Carolina, Durham, Duke Forest, access through Gate 26. New Hope Drainage., 35.978889 -70.016389, 132m
44616P. F. Zika 196522004-05-19
U.S.A., Oregon, Jackson, Lithia Park, along and near Ashland Creek. Ashland., 42.176667 -122.718333, 549m
75792Richard R. Halse 106202020-12-02
U.S.A., Oregon, Benton, Corvallis; along a bike/walking path on the north side of the Marys River, west of where it goes under the 4th St. bridge., 44.555244 -123.266732, 85m