Comments: As treated by Kartesz (1994 checklist), this species is Eurasian; the North American plants are placed instead in P. occidentale, sometimes included here.
Revisions
- 2011-12-04 01:43:03 UTC
Comments: As treated by Kartesz (1994 checklist), this species is Eurasian; the North American plants are placed instead in P. occidentale, sometimes included here.
