Hackelia cronquistii
Hackelia cronquistii is a species of flowering plant in the borage family known by the common name Cronquist's stickseed.
This species was formerly treated as a variety of Hackelia patens, until elevated to its own species status in 1972.
Distribution
It is endemic to Oregon and Idaho in the Great Basin region and the Northwestern United States. It is native to a small area around the Oregon−Idaho border. It was known from just one population until 1982, when more were found. It was thought to be just from Oregon until 1993, when it was found in Idaho. There are about 52 populations known today. Though endemic to only the one small region and a listed Vulnerable species, it is considered locally stable.It It grows on sandy soils in sagebrush scrub habitat dominated by Artemisia tridentata.
Associated plant species include Achillea millefolium, Achnatherum hymenoides, Arabis sp., Balsamorhiza sagittata, Chrysothamnus viscidiflorus, Crepis acuminata, Ericameria nauseosa, Eriophyllum lanatum, Erysimum capitatum, Festuca idahoensis, Leymus cinereus, Lupinus argenteus, Phlox longifolia, Poa secunda, Pseudoroegneria spicata, and Purshia tridentata.