Gray's Feverfew

annual in calcareous soil of road right-of-way crossing gently sloping overgrazed grassland of the Playas bolson.

on coarse limestone sands and gravels at roadside crossing gently sloping out-wash plain

on coarse limestone sands and gravels at roadside crossing gently sloping out-wash plain

on silty calcareous soils of grassy roadside crossing long fallow agricultural fields on bolson plain.

on silty calcareous soils of grassy roadside crossing long fallow agricultural fields on bolson plain.