Pentachaeta bellidiflora, the white-rayed pentachaeta or whiteray pygmydaisy, is a Californian wildflower in the genus Pentachaeta of the family Asteraceae. It is included in both the state and federal lists of endangered species.
Cirsium fontinale, the fountain thistle, is a flowering perennial herb in the sunflower family. It is endemic to California. The genus Cirsium is commonly known as the "thistle" genus, Cirsium being the Greek word for 'thistle.'
Eurybia is a genus of plants in the family Asteraceae that were previously included in the genus Aster. Most species are native to North America, although one is also present in northern Eurasia. There are 23 species in the genus, including 1 natural hybrid. The name was first applied by Alexandre de Cassini in 1820. The name is derived from Ancient Greek εὐρύς (eurús), meaning "wide", and βαιός (baiós), meaning "few", perhaps in reference to the small number of relatively wide ray florets.
Stellaria graminea is a species of flowering plant in the family Caryophyllaceae known by the common names common starwort, grass-leaved stitchwort, lesser stitchwort and grass-like starwort.
Layia hieracioides is a species of flowering plant in the family Asteraceae known by the common name tall tidytips, or tall layia.
Selenicereus grandiflorus is a cactus species originating from the Antilles, Mexico and Central America. The species is commonly referred to as queen of the night, night-blooming cereus, large-flowered cactus, sweet-scented cactus or vanilla cactus. The true species is extremely rare in cultivation. Most of the plants under this name belong to other species or hybrids. It is often confused with the genus Epiphyllum.
Liatris elegans, known commonly as pinkscale gayfeather, pinkscale blazingstar, and elegant blazingstar, is a species of flowering plant in the family Asteraceae. It is native to the southeastern United States as far west as Texas and Oklahoma.
Madia exigua is a species of flowering plant in the family Asteraceae known by the common names small tarweed and threadstem madia.
Pentachaeta aurea is a species of flowering plant in the aster family known by the common names golden-rayed pentachaeta, golden chaetopappa, and golden leastdaisy. It is native to southern California, where it grows in the San Gabriel and San Bernardino Mountains and the Peninsular Ranges, and northern Baja California. It is an annual herb with a hairy stem reaching a maximum height near 36 centimeters from a slender taproot. The narrow linear leaves are up to 5 centimeters long but only a few millimeters wide and may be very hairy. The inflorescence is a solitary flower head, with up to 22 heads per plant. The flower head bears many yellow, brownish, or whitish ray florets 3 to 12 millimeters long, and has a center of many five-lobed yellow to reddish disc florets. The fruit is an achene tipped with a pappus of bristles.
Pentachaeta exilis is a species of flowering plant in the family Asteraceae known by the common name meager pygmydaisy. It is endemic to California, where it is known from the North Coast Ranges to the southern Central Valley, San Joaquin Valley, and Sierra Nevada foothills. It is a member of grassland and woodland plant communities.
Pleurocoronis pluriseta is a species of flowering plant in the family Asteraceae known by the common name bush arrowleaf. It is native to the southwestern United States and northern Mexico, where it grows in desert scrub and similar habitat. This is a clumpy or bushy subshrub reaching up to about half a meter in maximum height with many slender branches. The distinctive leaves are several centimeters in length and are mostly petiole; there is generally a toothed diamond- or arrowhead-shaped blade no more than one centimeter long at the very tip. The inflorescence is made up of one or two flower heads, sometimes more. Each flower head is somewhat cylindrical or bullet-shaped, measuring up to about a centimeter long. The head is discoid, containing only disc florets and no ray florets. It is lined with a series of many phyllaries coated thinly in glandular hairs and often streaked with purple-red coloration. The tips of the outer phyllaries curve outward. The fruit is a hairy, ribbed achene a few millimeters long with a pappus of bristles and scales on its tip.
Selaginella bigelovii is a species of spikemoss known by the common names bushy spikemoss and Bigelow's spikemoss. It is native to California and Baja California, where it grows in rocky places in many different habitat types, from the coastline to the mountains to the deserts. This lycophyte forms clumps of spreading upright to erect stems up to 20 centimeters long with a few short lateral branches. The linear or lance-shaped green leaves are up to 4 millimeters long, including the tiny rigid bristles at their tips. They are flattened to the stem or stick out just a little. The strobili borne at the leaf bases are yellow-orange in color.
Selaginella cinerascens is a species of spikemoss known by the common names mesa spikemoss, gray spikemoss, and ashy spikemoss. It is native to Baja California as well as some locations just north of the border in San Diego County, California. It grows in dry habitat, often on clay soil, both in open areas and in the shade of larger plants. This lycophyte forms mats of spreading, forking stems up to 18 centimeters long. The plant is often gray or brown in color, forming a dull-colored carpet on the substrate. The linear or lance-shaped leaves are 1 to 3 millimeters long and lack bristles at the tips. The leaves are green when new or moist. They are flattened to the stem or stick out just a little. The strobili borne at the leaf bases are yellow in color and no more than 4 to 5 millimeters long.
Selaginella densa is a species of spikemoss known by the common names lesser spikemoss, prairie spikemoss, and Rocky Mountains spikemoss. It is native to western North America, where it can be found from Alaska to Ontario, the Dakotas, Texas and far northern California.
Selaginella wallacei is a species of spikemoss known by the common name Wallace's spikemoss. It is native to western North America from British Columbia to California to Montana, where it can be found in many types of habitat, including open and shaded areas, and wet to dry environments. This lycophyte is variable in appearance, its form depending on the habitat it grows in. It can be spreading with many narrow branches, or a small, dense mat. The forking stems grow up to about 25 centimeters long, but may remain much shorter in dry conditions. They are lined with linear, lance-shaped, or oblong leaves up to 4 millimeters long including the bristles at the tips. The strobili containing the reproductive structures may be quite long, reaching up to 9 centimeters.
Selaginella watsonii is a species of spikemoss known by the common name Watson's spikemoss. It is native to the western United States, where it grows in many rocky habitat types, including high mountain peaks in alpine climates. This lycophyte forms mats or cushions of short, forking stems. They are lined with linear or lance-shaped leaves no more than 4 millimeters long, often tipped with tiny bristles. The strobili containing the reproductive structures are 1 to 3 centimeters long.
Stellaria longifolia is a species of flowering plant in the family Caryophyllaceae known by the common name longleaf starwort. It is native to much of the northern half of the Northern Hemisphere, occurring throughout northern Europe and North America. It grows in many types of moist habitat, including meadows, marshes, and roadsides. It is a rhizomatous perennial herb forming clumps with sprawling, branching stems which are mostly hairless except for tiny rough hairs along the edges of the squarish stem. The linear to lance-shaped leaves are up to 3.5 centimeters long and are oppositely arranged in pairs. The inflorescence bears several flowers, each on a short pedicel. The flower has five pointed green sepals each a few millimeters long. There are five white petals, each so deeply lobed it appears to be two.
Stephanomeria parryi is a species of flowering plant in the aster family known by the common name Parry's wirelettuce. It is native to the southwestern United States, where it grows in many types of habitat, including many desert areas. It is a perennial herb growing from a thick root and producing one or more slender, upright stems up to about 40 centimeters tall. The green leaves are linear to lance-shaped with lobed edges and are up to 8 centimeters long near the base of the plant. Flower heads occur on the spreading branches. Each has up to 13 or 14 ray florets, each with an elongated tube and a whitish ligule up to 1.5 centimeters long. The fruit is an achene tipped with a spreading cluster of long, tan, plumelike pappus bristles.
Townsendia condensata is a species of flowering plant in the family Asteraceae known by the common names cushion Townsend daisy and cushion townsendia. It is native to North America where it is known from many scattered occurrences in the mountains of the western United States and Alberta in Canada. It is mainly limited to the alpine climates of high mountain peaks, where it grows in meadows, tundra, and barren, rocky talus. It grows alongside other alpine plants such as Eriogonum androsaceum.
Townsendia leptotes is a species of flowering plant in the family Asteraceae known by the common names common Townsend daisy and slender townsendia. It is native to the western United States, where it grows in the alpine climates of high mountain ranges from California to Montana to New Mexico.
