Hieracium canadense is a perennial herb 15-100 cm tall, stem solitary, usually hairy, sap milky.
Leaves alternate, 3-12 cm long, 0.7-4 cm wide, elliptic to widest above middle (oblanceolate), usually with cushions of star-shaped hairs above, long-hairy below (use lens), basal rosette deciduous before flowering, stem leaves 8-20, stalkess (sessile), somewhat clasping, elliptic to egg-shaped, few marginal teeth.
Flowers yellow, all rays (dandelion-like), bracteate base of flower head dark, 0.8-1.3 cm high; inflorescence terminal, branching; blooms and fruits July-Sept.
Fruit dry, 1-seeded achenes, 0.2-0.3 cm long with tannish bristles.
Wetland status: UPL.
Frequency in NYC: Infrequent.
Origin: Native.
Habitat: Open, sandy soil, rocky slopes, open woods.
Notes: Leaves eaten by rabbits (Martin et al. 1951).