University of Wisconsin-Madison, Wisconsin State Herbarium (WIS)
v0365215WIS
f2d04b7c-ac49-4618-95a7-35f6a42737e5
Apocynum androsaemifolium L.
Apocynaceae
Cox, B.J.; Dunn, David B.
2757
1971-07-06
6/7/71
United States, Washington, Okanogan, 3 mi. S.E. of Mazama; 11 mi. N. of Winthrop.
671 meters
2200'
In shade, open meadows, and roadbanks, completely carpeting the area; gravelly-rocky road banks, rich forest soil and grassy meadow soil on flat ground; in Pseudotsuga menziesii, Pinus ponderosa, Sambucus, Amelanchier with Salix & mountain cottonwood nearer the river.