Caltha palustris, known as marsh-marigold and kingcup, is a small to medium size perennial herbaceous plant of the buttercup family, native to marshes, fens, ditches and wet woodland in temperate regions of the Northern Hemisphere. It flowers between April and August, dependent on altitude and latitude, but occasional flowers may occur at other times.
Astrophytum myriostigma is a species of cactus native to the highlands of northeastern and central Mexico.
Phacelia crenulata is a species of flowering plant in the borage family, Boraginaceae. Its common names include notch-leaf scorpion-weed, notch-leaved phacelia, cleftleaf wildheliotrope, and heliotrope phacelia. It is native to the southwestern United States as far east as Colorado and New Mexico, and Baja California and Sonora in Mexico.
Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket.
Juncus bufonius, known commonly as toad rush, is a widespread flowering plant species complex in the rush family Juncaceae.
Caulanthus is a genus of plants in the mustard family. Plants of this genus may be known as jewelflowers. They are also often referred to as wild cabbage, although this common name usually refers to wild variants of Brassica oleraceae, the cabbage plant. Jewelflowers are native to the southwestern United States and northern Mexico, where they are often found in warm, arid regions. Many species have an enlarged, erect stem rising from a basal rosette of leaves. Flowers arise directly from the surface of the stem; many species have colorful, bell-shaped flowers. The best-known of the fourteen species is probably the desert candle.
Lupinus excubitus is a species of lupine known as the grape soda lupine. Its common name refers to its sweet scent, which is said to be very reminiscent of grape soda. This species and its variants are found in Southwestern United States, especially in California and Nevada, e.g., Death Valley and Joshua Tree National Parks, and northwestern Mexico.
Erigeron eatonii is a North American species of flowering plants in the daisy family known by the common name Eaton's fleabane.
Chorizanthe parryi is a species of flowering plant in the buckwheat family known by the common name Parry's spineflower and San Bernardino spineflower.
Agoseris glauca is a North American species of flowering plants in the daisy family known by the common names pale agoseris, prairie agoseris, and short-beaked agoseris.
Caulanthus major is a species of flowering plant in the mustard family known by the common name slender wild cabbage. It is native to the Great Basin and surrounding regions of the United States, where it grows on dry mountain slopes and similar habitat.
Cirsium scariosum is a species of thistle known by the common names meadow thistle, elk thistle and dwarf thistle. It is native to much of western North America from Alberta and British Columbia south to Baja California. There are also isolated populations on the Canadian Atlantic Coast, on the Mingan Archipelago in Québec.
Mimulus ringens is a species of monkeyflower known by the common names Allegheny monkeyflower and square-stemmed monkeyflower.
Ribes inerme is a species of currant known by the common names whitestem gooseberry and white stemmed gooseberry. It is native to western North America from British Columbia to California and westward to the Rocky Mountains. It grows in mountain forests, woodlands, and meadows.
Sagina maxima is a species of flowering plant in the pink family known by the common names stickystem pearlwort and thick-stemmed pearlwort. It is native to the west coast of North America from Alaska to California, where it can be found in many types of sandy and rocky coastal habitat. It is a small, fleshy perennial herb growing in a clump of linear leaves and thick stems. The fleshy, pointed leaves are 1 or 2 centimeters long. The inflorescence is a solitary flower with five sepals and five small white petals. There are two subspecies which differ mainly in the arrangement of hairs on the stem.
Sanicula crassicaulis is a species of flowering plant in the parsley family known by the common names Pacific blacksnakeroot and Pacific sanicle. It is native to the west coast of North America from British Columbia to Baja California, where it can be found in many types of habitat, including mountain slopes, grassland, and woodlands. It is a perennial herb producing a thick stem up to 1.2 meters tall from a taproot. The leaves have blades up to 12 centimeters long which are divided into a few deep lobes and edged with small teeth. The inflorescence is made up of one or more heads of bisexual and male-only flowers with tiny, curving, yellow petals. Each head has approximately five leaflike, lance-shaped bracts at its base. The rounded fruits are a few millimeters long, covered in curving prickles, and borne in small clusters.
Streptanthus cordatus is a species of flowering plant in the mustard family known by the common name heartleaf twistflower. It is native to the western United States, where it can be found in many types of sagebrush, woodland, and forest habitat. It is a perennial herb producing a branched or unbranched stem up to about a meter tall. It is often waxy in texture. The basal leaves are oval or spoon-shaped with bristle-toothed blades borne on rough-haired petioles. Leaves higher on the stem are oval to lance-shaped, up to 9 centimeters long with their bases usually clasping the stem. Flowers occur at intervals along the upper stem. Each has a calyx of sepals roughly a centimeter long which begin greenish yellow and mature purple. Four purple petals emerge from the tip of each calyx. The fruit is a thin, narrow silique which may reach 14 centimeters in length or longer.
Boechera perstellata is a rare species of flowering plant in the mustard family known by the common names Braun's rockcress and Nevada rockcress. It is native to Kentucky and Tennessee, where it is known from perhaps 25 total populations. Most of the occurrences have few individuals, and all are deteriorating in quality. The plant grows in shady forest habitat on limestone substrates, usually near streams or rivers. This is a federally listed endangered species of the United States.
Fritillaria crassicaulis is an Asian species of herbaceous plant in the lily family, native to Sichuan and Yunnan Provinces in China.
Pterostylis crassicaulis, commonly known as the alpine swan greenhood, is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. It has a rosette of leaves and up to 18 bluish-green and white flowers with dark green stripes. The flowers have a labellum with a dark green, beak-like appendage. It is similar to P. cycnocephala but is more robust and grows at higher altitudes.
