poison oak is abundant along the entire length of the Marble Falls trail and at this location some of the leaves were reddish along with the usual deep, glossy green
Green phase of poison oak trailing up the road/creek near Bechtel House...boy was it plentiful!
San Diego County, California, US
Toxicodendron diversilobum (syn. Rhus diversiloba; Western Poison-oak or Pacific Poison-oak) is a plant best known for its ability to cause allergic rashes after contact. Western Poison-oak is found only on the Pacific Coast of the United States and of Canada. It is extremely common in that region, where it is the predominant species of the genus; the closely related Atlantic Poison-oak (T. pubescens) occurs on the Atlantic Coast. The hyphenated form "Poison-oak" is used, rather than...