Pyrrocoma liatriformis is a species of flowering plant in the family Asteraceae.
[1] It is native to the northwestern United States, where it is endemic to the Palouse prairie, growing in grassland dominated by blue bunchgrass.
[2] It is a perennial herb growing from a taproot, producing one to three stems up to 70 centimeters (28 inches) in length.
[3] Originally known only from eastern Washington and adjacent northern Idaho, a joint survey by the United States Forest Service and the Bureau of Land Management in 2011 confirmed the presence of P. liatriformis in extreme northeastern Oregon.
[1] Since much of the native Palouse prairie has been converted for agriculture, habitat loss is a primary factor threatening this species, along with competition from invasive weeds.