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. 12 species are native to California.
Cerastium glomeratum is a species of flowering plant in the family Caryophyllaceae known by the common names sticky mouse-ear chickweed and clammy chickweed. It is native to Europe, Macaronesia to Assam but is known on most continents as an introduced species. It grows in many types of habitat. The blooming period is February, March, April, and May.
Chloropyron maritimum is a rare species of flowering plant in the family Orobanchaceae native to western North America. It is known by the common names saltmarsh bird's beak and Point Reyes bird's beak, depending on the specific subspecies.
Hackelia bella is a species of flowering plant in the borage family known by the common name greater showy stickseed.
Hackelia velutina is a species of flowering plant in the borage family known by the common name velvet stickseed.
Alopecurus saccatus is a species of grass known by the common name Pacific foxtail, or Pacific meadow foxtail.
Arabis aculeolata is a species of flowering plant in the mustard family known by the common name Waldo rockcress.
Arnica spathulata is a rare North American species of flowering plant in the family Asteraceae, known by the common name Klamath arnica. It is native to the Klamath Mountains of northwestern California and southwestern Oregon. It grows in woodland habitat, almost exclusively on serpentine soils.
Chorizanthe diffusa is a species of flowering plant in the buckwheat family known by the common name diffuse spineflower. It is endemic to California, where it grows on the coastline and mountains of the Central Coast, in sandy scrub, woodland, and forest habitat. It is erect to prostrate in form, its stem generally no longer than 15 or 20 centimeters. The leaves are up to 2 centimeters long and mainly arranged about the base of the plant. The inflorescence is a cluster of flowers, each surrounded by six hook-tipped bracts. The margins of the bracts proximal to the long hooked tip may be very thin and nearly invisible to wide and obvious, and they may be green to white to purplish. The flower itself is about 3 millimeters wide and white with a yellow throat. The tips of its tepals may be smooth or jagged or toothed.
Chorizanthe membranacea is a species of flowering plant in the buckwheat family known by the common name pink spineflower. It is native to Oregon and California, where it is widespread and in some areas quite common. It can be found in a wide variety of habitats.
Hackelia amethystina is a species of flowering plant in the borage family known by the common name amethyst stickseed.
Hackelia brevicula is a species of flowering plant in the borage family known by the common name Poison Canyon stickseed.
Hackelia cusickii is a species of flowering plant in the borage family known by the common name Cusick's stickseed.
Lupinus brevicaulis is a species of lupine known by the common names shortstem lupine and sand lupine. It is native to the southwestern United States, including Oregon, California, Nevada, Utah, Colorado, Arizona, and New Mexico, where it grows in many types of sandy habitat.
Lupinus saxosus is a species of lupine known by the common name rock lupine. It is certainly native to eastern Washington, eastern Oregon, and the northeast corner of California,where it grows in sagebrush and other habitat. It may also be native to Idaho and Nevada.
Mitella ovalis is a species of flowering plant in the saxifrage family known by the common names coastal miterwort and oval-leaf miterwort. It is native to western North America from southwestern British Columbia, including Vancouver Island, to northern California as far south as Marin County. It grows in moist, shady habitat, such as coastal forests and streambanks.
Hackelia cronquistii is a species of flowering plant in the borage family known by the common name Cronquist's stickseed.
Pyrrocoma liatriformis is a species of flowering plant in the family Asteraceae. Its common names include Palouse goldenweed and smallhead goldenweed. It is native to the northwestern United States, where it is endemic to the Palouse prairie, growing in grassland dominated by blue bunchgrass. It is a perennial herb growing from a taproot, producing one to three stems up to 70 centimeters in length. The stems are erect and hairy. Leaves near the base of the plant are larger and rounder than the leaves connected to the stem, which are lanceolate and hairy. Basal leaves measure 80–310 millimeters long and 9–30 millimeters wide, whereas cauline leaves measure 30–120 millimeters long and 5–20 millimeters wide. The inflorescence is four to five heads arranged in a raceme. Each head is composed of 17–25 yellow ray florets, each 6–14.5 millimeters in length, as well as 35–60 disc florets, each 7–11 millimeters in length.
Acanthoscyphus is a monotypic genus in the family Polygonaceae that contains the single species Acanthoscyphus parishii, which is sometimes called Parish's oxytheca. This species is native and endemic to southern California.
Hackelia deflexa is a vascular flowering plant in the borage family known by the common names, northern stickseed, nodding stickseed, and American stickseed
