Toxicodendron rydbergiiSpecies

Toxicodendron rydbergii — (c) Dan Mullen, some rights reserved (CC BY-NC-ND)

Common Name(s)

poison ivy
western poison ivy

Regions

Feb 26 - Nov 11

Feb 19 - Nov 18

Scott County, Minnesota

Nov 19 - Jun 10

Ramsey County, Minnesota

Mar 19 - Nov 18

Anoka County, Minnesota

Mar 19 - Nov 25

Hennepin County, Minnesota

Feb 19 - Dec 02

Dakota County, Minnesota

Feb 26 - Nov 04

Synonyms

Toxicodendron desertorum
Rhus radicans var. rydbergii
Rhus radicans var. vulgaris
Rhus toxicodendron var. vulgaris
Toxicodendron radicans var. rydbergii

External Resources