Brassicaceae or Cruciferae is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The leaves are simple, lack stipules, and appear alternately on stems or in rosettes. The inflorescences are terminal and lack bracts. The flowers have four free sepals, four free alternating petals, two shorter free stamens and four longer free stamens. The fruit has seeds in rows, divided by a thin wall.
Noccaea caerulescens, the alpine penny-cress or alpine pennygrass, is a flowering plant in the family Brassicaceae. It is found in Scandinavia and Europe.
Cardamine hirsuta, commonly called hairy bittercress, is an annual or biennial species of plant in the family Brassicaceae, and is edible as a salad green. It is common in moist areas around the world.
Thlaspi arvense, known by the common name field pennycress, is a flowering plant in the cabbage family Brassicaceae. It is native to Eurasia, and is a common weed throughout much of North America and its home.
Campanula patula or spreading bellflower is a plant species of the genus Campanula. It can grow to more than half a meter high. This delicate bellflower bears lateral branches of pale blue or white flowers that are upright and funnel shaped. The leaves are narrow and pointed. Branches are often supported by the surrounding vegetation, so the plants can appear prostrate. The main difference between this and other bellflowers is that the petals in the bell are spread out and more pointed and this gives this species its common name.
Idahoa is a monotypic genus of plants in the family Brassicaceae containing the single species Idahoa scapigera, which is known by the common names scalepod and oldstem idahoa. It is native to western North America from British Columbia to California to Montana where it grows generally in mountains and foothills. This is a petite annual herb growing a basal rosette of petioled leaves each one to three centimeters long and smooth or lobed along the edges. The thin, leafless erect stems rise to a maximum height near ten centimeters. Each bears a single tiny flower with white petals above red-purple sepals. The fruit is a flat, round capsule, shaped like a disc or somewhat oval, and 6 to 12 millimeters wide. The green fruit dries to a papery gray or white.
Lepidium flavum is a species of flowering plant in the mustard family known by the common name yellow pepperweed. It is native to California, Nevada, and Baja California, where it grows in the Sonoran and Mojave Deserts. The species epithet flavum is Latin for yellow and indicates its flower colour.
Lepidium montanum is a species of flowering plant in the mustard family known by the common names mountain pepperweed, mountain peppergrass, mountain pepperwort, and mountain pepperplant. It is native to western North America from Oregon to Montana to northern Mexico, where it can be found in a number of habitats, often on salty or gravelly soils. There are several varieties, many of which are difficult to distinguish.
Lepidium oxycarpum is a species of flowering plant in the mustard family known by the common names forked pepperweed and sharp-fruited pepperweed.
Arabis aculeolata is a species of flowering plant in the mustard family known by the common name Waldo rockcress.
Lepidium dictyotum is a species of flowering plant in the mustard family known by the common names alkali pepperweed and alkali pepperwort.
Lepidium oblongum is a widespread North American species of flowering plant in the mustard family known by the common name veiny pepperweed. It is native to Mexico, Guatemala, El Salvador, and the western and south-central United States. It is present as an introduced species in Hawaii. It can grow in many types of habitats.
Lepidium pinnatifidum is a species of flowering plant in the mustard family known in English by the common name featherleaf pepperweed.
Streptanthus callistus is a rare species of flowering plant in the mustard family known by the common name Mount Hamilton jewelflower. It is endemic to Santa Clara County, California, where it is known from only about five occurrences around Mount Hamilton. It grows in chaparral and woodlands and on dry scree. It is an annual herb producing a small stem up to 8 or 9 centimeters tall with a bristly base. The toothed oval leaves are under 2 centimeters long. The inflorescence is a cluster-like raceme of flowers, the top ones sterile. The fertile flowers on the lower raceme have calyces of bristly purple-green sepals under a centimeter long with flaring purple petals at the tip. The sterile flowers at the top of the raceme have narrow, elongated, hairless purple sepals. The fruit is a cylindrical, bristle-studded silique measuring up to 2 or 2.5 centimeters long.
Lepidium papilliferum is a rare species of flowering plant in the mustard family known by the common names Idaho pepperweed and slickspot peppergrass. It is endemic to Idaho in the United States, where it is mostly limited to a specific habitat type in the southwestern part of the state. It was federally listed as a threatened species in 2009.
Delphinium scopulorum, commonly known as Rocky Mountain larkspur, is a species of wildflower in the genus Delphinium, which belongs to the buttercup family, Ranunculaceae. It is native to the Southwestern United States and found predominantly in upper-elevation moist meadows.
Allophylus decipiens (E.Mey.) Radlk., commonly known as the bastard taaibos, is a multi- or single-stemmed, small, evergreen tree about 3–4 m in height occurring in coastal forest, fringe forest and thickets, and wooded ravines and streams. Found up to 800 m in the southern coastal regions of the Cape Province, KwaZulu-Natal, Eswatini, along the escarpment forest of Mpumalanga, including Soutpansberg and in Mozambique. There are some 219 species in the genus of Allophylus.
Lepidium coronopus,, is a species of flowering plant in the mustard family which is native to parts of Africa, western Asia and Europe, growing in shingle banks, wasteland or cultivated fields.
Ranunculus arcticus, the birdfoot buttercup, is a species of buttercup in the family Ranunculaceae. It has a circumpolar distribution in Northern Europe, Northern Asia and North America.
Noccaea fendleri more commonly known as wild candytuft and alpine pennycress is a wildflower in the mustard family from western North America. It grows in mountains from northern Mexico to the northern United States. It blooms early in the spring and provides nectar to butterflies.
