Canada's Plant Hardiness Site
Synonymy
Apiaceae parsley family
Oxypolis rigidior (L.) Raf.
En: stiff cowbane, stiff hog-fennel, water-dropwort;
Fr: oxypolis rigide
Oxypolis rigidior (L.) Raf.
En: stiff cowbane, stiff hog-fennel, water-dropwort;
Fr: oxypolis rigide
- [=Oenanthe ambigua Nutt.]
- [=Oxypolis longifolia (Pursh) Small]
- [=Oxypolis rigidior (L.) Raf. var. ambigua (Nutt.) B.L.Rob.]
- [=Oxypolis rigidior (L.) Raf. var. longifolia (Pursh) Britton]
- [=Oxypolis turgida Small]
- [=Peucedanum rigidum (L.) Alph.Wood]
- [=Peucedanum rigidum (L.) Alph.Wood var. ambiguum (Nutt.) Alph.Wood]
- [=Sium longifolium Pursh]
- [=Sium rigidus L. - basionym]
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