Castilleja exserta is a species of plant in the genus Castilleja which includes the Indian paintbrushes. Its common names include purple owl's clover, escobita, and exserted Indian paintbrush.
Castilleja angustifolia is a species of wildflower known by the common names northwestern Indian paintbrush and desert Indian paintbrush. It is an herbaceous perennial native to the desert, scrublands, and woodlands of western North America. It grows in hot sandy soils and rock crevices in dry conditions.
Castilleja ambigua is a species of Indian paintbrush known by the common name Johnny-nip. It is native to western part of North America from British Columbia to California, where its commonly found growing along the salt marshes and scrubs of the coast.
Castilleja campestris is a species of Indian paintbrush known by the common name vernal pool Indian paintbrush. It is native to California and southern Oregon, where it grows in seasonally moist habitat, especially vernal pools.
Castilleja lineariloba is a species of Indian paintbrush known by the common name thin-lobed owl’s clover that is endemic to the grasslands of the Sierra Nevada foothills in California.
Castilleja miniata is a species of Indian paintbrush known by the common name giant red Indian paintbrush. It is native to western North America from Alaska to Ontario to California to New Mexico, where it grows usually in moist places in a wide variety of habitat types.
Castilleja mollis is a species of Indian paintbrush known by the common name softleaf Indian paintbrush. It is endemic to the Channel Islands of California, where it is currently known only from Santa Rosa Island. An occurrence was once noted on San Miguel Island, but the plant has not been found there since 1938. Its habitat is the coastal sage scrub around the windy sand dunes and bluffs.
Castilleja subinclusa is a species of Indian paintbrush known by the common names longleaf Indian paintbrush and Franciscan paint brush.
Castilleja pruinosa is a species of Indian paintbrush known by the common name frosted Indian paintbrush. It is native to California and Oregon, where it grows in several types of forested habitat.
Castilleja levisecta is a rare species of flowering plant in the family Orobanchaceae known by the common name golden paintbrush, or golden Indian paintbrush, listed under the Endangered Species Act in 1997. It is native to British Columbia and Washington, where it is known from eleven remaining populations. It occurred in Oregon but all natural occurrences there have been extirpated. It has been reintroduced to a few areas in Oregon, but it remains to be seen if the plants will survive. The plant is a federally listed endangered species of Canada and was listed as threatened in the United States in 1997. On June 30, 2021, the plant was proposed for delisting due to recovery. Effective August 18, 2023, the U.S. Fish and Wildlife Service issued a rule removing golden paintbrush from the Federal List of Endangered and Threatened Plants
Castilleja septentrionalis is a species of Indian paintbrush known by several common names, including northern paintbrush, sulfur paintbrush, and pale painted cup. There is taxonomic disagreement as to if it is one species widely distributed in mountain and alpine environments of North America or if there is a second species, Castilleja sulphurea, in the Rocky Mountains.
Penstemon canescens, commonly known as the gray beardtongue or Appalachian beardtongue, is a species of penstemon in the family Plantaginaceae. It is native to woodlands, forest edges, and roadsides of the southeastern United States and flowers May through July. It is a perennial herb producing stems reaching 80 cm (31 in) in maximum height.
Castilleja integra, with the common names orange paintbrush, Southwestern paintbrush, and wholeleaf paintbrush, is a partially parasitic herbaceous perennial plant native to the Southwestern United States and Northern Mexico. The species produces a relatively large amount of nectar and is attractive to hummingbirds. It is better suited to cultivation than most other species in the paintbrush genus (Castilleja) and is therefore used in xeriscape gardens and naturalistic meadows, even outside its native range.
Castilleja kerryana is a species of flowering plant in the family Orobanchaceae. It is commonly known as Kerry's Indian paintbrush or Kerry’spaintbrush. It was formally described in 2013 and so far it is known only from a small population in the state of Montana, in the Northwestern United States.
Leavenworthia crassa is a species of flowering plant in the mustard family, Brassicaceae, known commonly as the fleshy-fruit gladecress. It is endemic to Alabama in the United States, where it occurs in only two counties. It is "likely one of the most imperiled plant species in the Southeast," and the United States Fish and Wildlife Service issued a final rule listing it as an endangered species in 2014.
Castilleja rubida, commonly called the purple alpine paintbrush or Wallowa alpine paintbrush, is a species of Indian paintbrush.
Castilleja kraliana, is a species of flowering plant in the family Orobanchaceae known by the common names Cahaba paintbrush or Cahaba Indian paintbrush.
Castilleja rhexiifolia, commonly called rosy paintbrush, subalpine paintbrush, or rhexia-leaved paintbrush, is a species of plant in Orobanchaceae, commonly known as the broomrape family. They are a common flower found in moist habitats near or above timberline in the Rocky Mountains and the Pacific Northwest. Like most members of the Castilleja genus, they are partially parasitic plants.
Castilleja victoriae is a species of flowering plant in the broomrape family known by the common names Victoria's owl-clover and Victoria's paintbrush.
Castilleja lineata, commonly known as marshmeadow paintbrush or linearlobe paintbrush, is an uncommon species that largely grows in the mountains of northern New Mexico, but is also found in small areas of neighboring Colorado and Arizona. It was not scientifically described until 1901 and is little studied.
