Native Thistle Pop-up Window, Non-native Plants of Sequoia and Kings Canyon National Parks

Robust, White-Colored Thistle With Smooth Stems And Spiny Terminal Flower Buds

Western thistle (Cirsium occidentale) does not have spiny wings along its stems; this is typical of native thistles in the parks and differentiates them from bull thistle. Not all of the native thistles are this white. © NPS photo by Athena Demetry.