Baccharis salicifolia ssp salicifolia (also known as mulefat or su’) is a superstar of the California sage scrub habitat.

The Xerxes society has honed in a key service it provides for a well-known species under threat: mulefat offers crucial late season nectar for monarchs during fall migration. (1)

(1) https://www.xerces.org/blog/growing-supply-of-hard-to-find-milkweeds#:~:text=mulefat