Palo Alto Thistle (Cirsium praeteriens J.F. Macbr.)

↑Range - Expand

Legend	Color
Extirpated
Not Present

This map is based on our research. We have checked its accuracy to Level 3 ecoregions. Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

This species known from two collections in Palo Alto, was originally thought to be an introduction from the Old World, but was later determined to be a locally-native species that is now presumed extinct.