Hieracium greenei (not to be confused with Hieracium greenii) is a species of hawkweed known by the common name Greene's hawkweed.

Hieracium greenei is native to the forests of the Klamath Mountains and neighboring ranges in southern Oregon and northern California.

[2][3] Hieracium greenei is a small hawkweed forming a basal rosette of densely hairy gray-green leaves, each 5 to 10 centimeters (2-4 inches) long and some with toothed edges.

It bolts a thin, hairy stem which reaches 20 to 40 centimeters (8-16 inches) tall.

The fruit is a ribbed achene about half a centimeter (0.2 inches) long with a light brown pappus.