Ageratina occidentalis
(Hook.) R. M. King & H. Rob.
Western eupatorium, Western joepiweed, Western snakeroot
Ageratina occidentalis is a perennial herb that is native to California, and also found elsewhere in western North America.
Bloom Period
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.
Click on the map to view observations within a specific county.
Redwood Forest, Douglas-Fir Forest, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest
[Wikipedia] Etymology: Ageratina is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.
