Artemisia is a large, diverse genus of plants belonging to the daisy family Asteraceae, with almost 500 species. Common names for various species in the genus include mugwort, wormwood, and sagebrush.
Rorippa is a genus of flowering plants in the family Brassicaceae, native to Europe through central Asia, Africa, and North America. Rorippa species are annual to perennial herbs, usually with yellow flowers and a peppery flavour. They are known commonly as yellowcresses.
Spergularia is a genus in the family Caryophyllaceae, containing salt-tolerant plants known as sandspurrys and sea-spurreys. There are about 60 species.
Artemisia douglasiana, known as California mugwort, Douglas's sagewort, or dream plant, is a western North American species of aromatic herb in the sunflower family.
Helictotrichon, or alpine oatgrass, is a genus of perennial flowering plants in the grass family. The genus name comes from the Greek heliktos meaning twisted, and trichos meaning hair, referring to the shape of the awn.
Artemisia campestris is a common and widespread species of plants in the sunflower family, Asteraceae. It is native to a wide region of Eurasia and North America. Common names include field wormwood, beach wormwood, northern wormwood, Breckland wormwood, boreal wormwood, Canadian wormwood, field sagewort and field mugwort.
Artemisia ludoviciana is a North American species of flowering plant in the daisy family Asteraceae, known by several common names, including silver wormwood, western mugwort, Louisiana wormwood, white sagebrush, lobed cud-weed, prairie sage, and gray sagewort.
Artemisia biennis is a species of sagebrush known by the common name biennial wormwood. It is a common and widely distributed weed, so well established in many places that its region of origin is difficult to ascertain. This species is most likely native to northwestern North America and naturalized in Western Europe, and eastern and southern North America.
Artemisia michauxiana is a North American species of wormwood in the sunflower family. It is known by the common names Michaux's wormwood and lemon sagewort. It is native to the western United States and Canada. It grows in mountain talus habitats in subalpine to alpine climates.
Artemisia cana is a species of sagebrush native to western and central North America; it is a member of the sunflower family. It is known by many common names, including silver sagebrush, sticky sagebrush, silver wormwood, hoary sagebrush, and dwarf sagebrush.
Artemisia norvegica is a species of flowering plant in the aster family known by the common names alpine sagewort, boreal sagewort, mountain sagewort, Norwegian mugwort, arctic wormwood, and spruce wormwood. It is found in cold locations in Eurasia and high altitudes and high latitudes in North America.
Artemisia frigida is a widespread species of flowering plant in the aster family, which is known as the sunflower family. It is native to Europe, Asia, and much of North America. In parts of the north-central and northeastern United States it is an introduced species.
Artemisia tilesii is an Asian and North American species of flowering plant in the aster family. Its common names include Tilesius' wormwood, Aleutian mugwort, and stinkweed. It is native to Russia, Japan, and northern North America.
Artemisia stelleriana is an Asian and North American species of plants in the sunflower family. It is native to China, Japan, Korea, Russian Far East, and the Aleutian Islands in the United States. The species is widely cultivated as an ornamental and naturalized in scattered locations in North America, primarily on coastal dunes and other sandy locations, as well as in Scandinavia. Common names include hoary mugwort, Dusty Miller, beach wormwood, and oldwoman.
Artemisia carruthii, common name Carruth's sagewort or Carruth wormwood, is a North American species of shrubs in the daisy family native to much of south-central and southwestern United States. There are reports of a few naturalized populations in Missouri, the Great Lakes Region, and Rhode Island. It is also native to the States of Chihuahua and Sonora in northern Mexico.
Artemisia franserioides, the ragweed sagebrush or bursage mugwort, is a North American species of plants in the sunflower family. It is native to the southwestern United States as well as northern Mexico (Chihuahua).
Artemisia furcata, the forked wormwood, is an Asian and North American species of plants in the sunflower family found in cold regions at high elevations or high latitudes. It is native to Canada, the United States, eastern Russia, Kazakhstan, and Japan.
Artemisia senjavinensis, the arctic wormwood, is a rare Arctic species of plants in the sunflower family. It has been found only on the Seward Peninsula on the Alaskan side of the Bering Strait and on the Chukotka (Chukchi) Peninsula on the Russian side.
Solidago macrophylla, the largeleaf goldenrod or large-leaved goldenrod, is North American species of herbaceous perennial plants of the family Asteraceae. It is native to eastern and central Canada and the north-eastern United States. Some of the populations in Québec and Labrador lie north of the Arctic Circle.
