Classification
Within iNaturalist.org

All Names

  • English
    • Pacific Poison Oak
    • Western Poison Oak
  • Scientific Names
    • Toxicodendron diversilobum
    • Rhus diversiloba

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Recent observations

Photos / Sounds

Square

What

Western Poison Oak Toxicodendron diversilobum

Observer

dpom

Date

August 29, 2014

Photos / Sounds

Square

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

janetplant

Date

August 27, 2014 10:24 AM PDT

Photos / Sounds

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

mrchasse

Date

July 31, 2014 01:46 PM PDT

Description

Fasciated patch just below Lincoln Blvd. on west side of the road.

Photos / Sounds

Square

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

hhylt

Date

August 26, 2014 10:33 AM PDT

Photos / Sounds

Square

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

sea-kangaroo

Date

August 24, 2014 01:56 PM PDT

Photos / Sounds

Square

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

cristinasandoval

Date

April 1, 2014

Photos / Sounds

Square

What

Western Poison Oak Toxicodendron diversilobum

Observer

anudibranchmom

Date

August 21, 2014 10:39 AM PDT

Photos / Sounds

No photos or sounds

What

Pacific poison oak Toxicodendron diversilobum

Observer

tiwane

Date

August 14, 2014

Photos / Sounds

Square

What

Western Poison Oak Toxicodendron diversilobum

Observer

sea-kangaroo

Date

August 13, 2014 06:16 PM PDT

Photos / Sounds

What

Pacific Poison Oak Toxicodendron diversilobum

Observer

kevinhintsa

Date

August 11, 2014 11:57 AM PDT

Description

At North Peak Trail in the burn zone of the Morgan Fire . This is a form sometimes seen after fires .

Photos / Sounds

No photos or sounds

Observer

penelopegillette

Date

August 10, 2014

Photos / Sounds

No photos or sounds

Observer

penelopegillette

Date

August 10, 2014 09:54 AM PDT
View all observations

Description from Wikipedia

Toxicodendron diversilobum, commonly named Pacific poison oak or western poison oak (syn. Rhus diversiloba), is in the Anacardiaceae family (the sumac family).

No range data available.