About 54 (see text) Austrocynoglossum Popov ex R.Mill.

(1989) Hackelia (stickseeds) is a genus of plants in the borage family, Boraginaceae.

It includes 54 species found in North America, western South America, temperate Eurasia, and Australia.

[2] The genus was named after Josef Hackel, a Czech botanist.

The common name, stickseed, refers to the tendency of the barbed nutlets to stick to animal fur.