As of 1988, The Nature Conservancy was attempting to acquire the species, without success. Seeds grown in cultivation will be used to establish thirteen populations on federal land in Uinta National Forest, where they can be protected. Both natural populations occur on private land, where they are difficult to protect. Д¬onservation activities include the propagation of plants and collection of seeds. Introduced species of plants, such as horehound and houndstongue, may compete with the phacelia. Highway 6 runs directly through another occurrence, and road maintenance may disturb the plants as well as the habitat that supports their potential pollinators. One occurrence is next to railroad tracks, and the construction and maintenance of the rails has disturbed the habitat. Sheep graze in the immediate vicinity of the plants, in addition the plants may be eaten by native animals such as mule deer and rock squirrels. Its small numbers put it at risk for extinction. The habitat is pinyon-juniper woodland dominated by Pinus edulis (Colorado pinyon) and Juniperus osteosperma (Utah juniper) and other plants in the vicinity include Mentzelia laevicaulis (giant blazingstar), Mahonia repens (creeping barberry), Oenothera caespitosa (evening primrose), Marrubium vulgare (horehound), Cynoglossum officinale ( houndstongue), Amelanchier alnifolia (serviceberry), Rhus trilobata (skunkbush), Atriplex canescens (fourwing saltbush), Artemisia tridentata (sagebrush), Chrysothamnus nauseosus (rabbitbrush), Cercocarpus montanus (mountain mahogany), and Rosa woodsii (Woods' rose). The plant grows on steep slopes made of clay and broken shale originating from the Green River Formation. Twenty to thirty new plants had germinated the following year. In 1987 some sheep were bedded at the main locality for three days, and only a single plant survived. In 1980 a second population was found, putting the total global population around 200. Within two years this tiny population had dwindled to four plants. It has been on the US Endangered Species List since 1978, at which time there were only nine individuals known. This plant is known only from Spanish Fork Canyon in central Utah. This species is closely related to, and has been mistaken for, Phacelia glandulosa. Blooming usually occurs in July, but early blooming can take place in May and June and some flowers can persist into October. This plant is generally considered to be a winter annual it germinates and produces a basal rosette, then develops slowly through the winter beneath the snow.

The fruit of the plant is a capsule about a quarter of a centimeter in length. Each flower has a bell-shaped purple-blue corolla about 0.5 centimetres (0.20В in) long and wide, with the long stamens and style protruding from the mouth of the corolla. The inflorescence is a cyme with several branches that are scorpioid in shape, curving into a curl like the tail of a scorpion this inflorescence is hairy and glandular.

The leaf blades are oblong with deep lobes along the edges, and measure up to 5 centimeters in length. It has a rosette of leaves around the base of the stem. This plant is an annual herb growing up to 36 to 40 centimeters in height. It is 'one of Utah's most endangered species' it is 'one of the nation's rarest plants' and is federally listed as an endangered species of the United States. It is endemic to Utah in the United States, where it is known only from one canyon in Utah County. Phacelia argillacea is a rare species of flowering plant in the borage family known by the common names clay phacelia and Atwood's phacelia.

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