Mary Katharine Brandegee

Fouquieria columnaris, the Boojum tree or cirio (Latin American Spanish: [ˈsiɾjo]) is a tree in the ocotillo family, whose other members include the ocotillos. Some taxonomists place it in the separate genus Idria. It is nearly endemic to the Baja California Peninsula (both the northern and southern states), with only a small population in the Sierra Bacha of Sonora, Mexico. The plant's English name, Boojum, was given by Godfrey Sykes of the Desert Laboratory in Tucson, Arizona, and is taken from Lewis Carroll's poem "The Hunting of the Snark".

Allium hyalinum is a Californian species of wild onion known by the common name glassy onion. It is endemic to California, where it is a common species of the Sierra Nevada foothills, from 50–1,500 metres (160–4,920 ft) in elevation, from Kern County to Butte County. There are additional populations in the Coast Ranges of Lake, Alameda, Santa Clara, Merced, and San Benito Counties.

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Mammillaria brandegeei is a species of cactus in the subfamily Cactoideae.

Purshia glandulosa is a species of flowering plant in the rose family known by the common names antelope bitterbrush, desert bitterbrush, Mojave antelope brush, and cliff-rose.

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Acanthomintha lanceolata is a species of flowering plant in the mint family known by the common name Santa Clara thornmint. It is endemic to California, where it is known from several counties surrounding and south of the San Francisco Bay Area. It is an uncommon resident of rocky habitat in coastal and inland mountain ranges.

Lewisia kelloggii is a species of flowering plant in the family Montiaceae known by the common name Kellogg's lewisia. It is endemic to the Sierra Nevada of California, where it is known from several sites high in the mountains. It grows in rocky mountain habitat in granite and slate substrates. This is a perennial herb growing from a thick, short taproot and caudex unit. It produces a basal rosette of many thick, leathery, spoon-shaped leaves up to 9 centimeters (3.5 in) long. The inflorescence bears several flowers, each on a very short stalk. The flower has 5 to 13 shiny white or pinkish

Trichostema ovatum is an uncommon species of flowering plant in the mint family known by the common name San Joaquin bluecurls.

Nemacladus rigidus is a species of flowering plant in the bellflower family known by the common name stoutstem threadplant. It is native to the Great Basin in the United States, where it grows in open areas, often on bare soil. It is a small annual herb producing a thin, spreading purplish stem no more than 9 centimeters long. Oval leaves up to a centimeter long occur at the base of the plant. The inflorescence is a series of zigzagging branches bearing flowers on thin, curving pedicels. There is a single tiny bract at the base of each pedicel. The flower is under 2 millimeters long. It has

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Delphinium uliginosum is a species of larkspur known by the common names swamp larkspur and bog larkspur. It is endemic to California, where it is known from very localized populations in the Inner North Coast Ranges. It grows in chaparral, grassland, and other habitat in the hills, generally on serpentine soils. This is a perennial herb producing a hairless, erect stem up to 70 centimeters tall. It can be identified by its leaves, which are fan-shaped, a characteristic unique among the larkspurs, which generally have palmate leaves with narrow, fingerlike lobes. The inflorescence bears up to

Mirabilis laevis, the desert wishbone-bush, is a recently redefined species of flowering plant in the four o'clock family. Distribution is in the Southwestern United States and northwest Mexico.

Mammillaria pringlei, called the lemon ball, is a species of cactus in the genus Mammillaria, native to Mexico, from Querétaro through to Veracruz and on to México State. It has gained the Royal Horticultural Society's Award of Garden Merit.

Eriogonum gossypinum is an uncommon species of wild buckwheat known by the common name cottony buckwheat. It is endemic to California, where it is known from the southern Central Valley and some of the adjacent foothills. It is often found on clay soils. It is an annual herb producing a gray or reddish branched stem no more than about 20 centimeters tall. The leaves are oblong in shape and woolly in texture. The scattered inflorescences are small clusters of white to pink glandular flowers buried in a layer of cottony fibers.

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Cochemiea dioica, also called the strawberry cactus, California fishhook cactus, strawberry pincushion or fishhook cactus, is a cactus species of the genus Cochemiea. Its common name in Spanish is biznaga llavina.

Cochemiea mainiae is a species of cactus in the subfamily Cactoideae, with the common name counterclockwise nipple cactus.

Echinocereus sciurus is a species of cactus native to Mexico.

Cochemiea armillata is an uncommon species of cactus in the genus Cochemiea commonly known as the Los Cabos nipple cactus. This species is endemic to the Cape region of Baja California Sur in Mexico. It is somewhat similar in appearance to the rare Cochemiea capensis and the more common Cochemiea dioica.

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Cochemiea is a genus of cactus. The group was previously synonymized with Mammillaria, until molecular phylogenetic studies determined that—when broadly circumscribed—Mammillaria is not monophyletic; thus, Cochemiea has been accepted as a distinct genus.

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Leptosiphon harknessii (syn. Linanthus harknessii) is a species of flowering plant in the phlox family known by the common name Harkness' flaxflower.

Erythranthe androsacea is a species of monkeyflower known by the common name rockjasmine monkeyflower. It was formerly known as Mimulus androsaceus.