Flora of Yukon

Claytonia scammaniana is a biogeographically significant species of Claytonia, which is indigenous to the mountain chains of Alaska and Yukon. The species has been subject of differing taxonomic opinions and confusion with Claytonia arctica and C. sarmentosa. A taxonomic revision including a review of previous studies of Claytonia scammaniana was published in 2006.

Draba kluanei, also known as Kluane draba, is a species of plant in the Draba genus. It is endemic to the Kluane National Park in the Yukon, Canada. It is listed as possibly extinct by NatureServe.

Draba yukonensis, also known as the Yukon draba or the Yukon whitlow-grass, is a species of plant of the Draba genus. It is endemic to the Yukon, Canada. It is listed as imperiled by NatureServe.

Claytonia ogilviensis, common name Ogilvie Mountains spring beauty, is a plant endemic to the Ogilvie Mountains and the Dawson Range in the Yukon Territory of Canada. These mountains extend into Alaska, and one of the known populations is less than 1 km from the border, so it would not be surprising if the plant were to be found in Alaska as well. Claytonia ogilviensis is a perennial herb with round or turnip-shaped tubers up to 25 mm in diameter, spreading by means of underground rhizomes. Stems are up to 8 cm tall. Leaves are generally round, up to 2.5 cm in diameter. Flowers are borne in

Nestotus macleanii, also known as the Yukon goldenweed, is a species of plant in the genus Nestotus. It is endemic to the Yukon, Canada. According to NatureServe, it is vulnerable but not currently at risk.

Draba caswellii, also known as Caswell's draba, is a species of plant of the Draba genus. It is endemic to the Kluane National Park in the alpine tundra on the Yukon, Canada. It is listed as critically imperiled by NatureServe. Most closely resembles D. porsildii, it differs by having soft, crisped trichomes throughout.

Lupinus kuschei, the Yukon lupine, is a species of flowering plant from the order Fabales which can be found in Alaska and Western Canada.

Boykinia richardsonii is a species of flowering plant in the family Saxifragaceae, endemic to Alaska and the adjacent Canadian territory of Yukon. It is commonly known as Richardson's brookfoam, but has also been called Alaska boykin, bearflower, Richardson's boykin and Richardson's saxifrage. "Bearflower" reflects its popularity with grizzly bears as forage in the summer months when it flowers. The species is named for Scottish naturalist John Richardson, who first identified it on his mid-1820s exploration of the western Canadian Arctic coast with John Franklin. William Jackson Hooker first

Artemisia globularia, the purple wormwood, is a rare Asian and North American species of plants in the family Asteraceae. It is native to Alaska, Yukon Territory, and the Chukotka Autonomous Okrug of Russia.

Erigeron purpuratus is a North American species of flowering plant in the family Asteraceae known by the common name purple fleabane. The species grows in Alaska (part of the United States) and Yukon (part of Canada). Erigeron purpuratus is a perennial herb up to 14 centimeters (5.6 inches) tall, producing a large branching caudex that serves to spread the plant into clonal clumps. The plant generally produces only 1 flower head per stem, the bracts forming the sides of the head appearing purple. Each head has 40–90 purple, pink or white ray florets surrounding numerous yellow disc florets.

Androsace americana, synonym Douglasia arctica, known as the Mackenzie River dwarf primrose, is a species of flowering plant in the primrose family, Primulaceae. It is native to subarctic North America (Alaska, the Northwest Territories and Yukon).

Veronica alaskensis, known as Alaska speedwell or northern kittentails, is a flowering plant in the genus Veronica of the family Plantaginaceae. It was first formally named in 1933 by Francis W. Pennell and was transferred to the genus Veronica in 2004. Veronica alaskensis is native to Alaska and Yukon.

Taraxacum carneocoloratum, also known as the pink dandelion or fleshy dandelion, is a perennial species of dandelion. The species is endemic to Yukon and Alaska, occurring only in unglaciated areas of western Yukon, specifically North Fork Pass in the Ogilvie Mountains and Ivvavik National Park. The species is characterized by the absence of horns or tubercles on the tips of the involucral bracts, a typically small height of less than 9 cm, pink to flesh-colored petals, and a yellowish pappus. It blooms between June and August. The species was first described in 1945.

Koenigia alaskana (synonym Aconogonon alaskanum, Persicaria alpina) is an Asian and North American species of flowering plant in the buckwheat family known by the common names Alaska wild-rhubarb and alpine knotweed.

Elymus alaskanus, more commonly known as Alaskan wheatgrass, is an autogamous perennial that is native to North America and part of the family Poaceae. This complex is widespread and has diverged into different taxa based on morphological and cytological studies.

Symphyotrichum yukonense (formerly Aster yukonensis) is a species of flowering plant in the family Asteraceae endemic to disjunct areas in Alaska and the Canadian territories of Yukon and Northwest Territories. It has the common name of Yukon aster, and it is a perennial, herbaceous plant 5 to 30 centimeters (2 to 12 inches) in height. Its flowers have purple to blue ray florets and yellow to brown disk florets. S. yukonense grows at elevations of 300–1,500 meters (1,000–4,900 feet) in mud flats and on sandy or silty lake shores. It is a NatureServe Vulnerable (G3) species and is classified

Rumex beringensis is a flowering plant species in the family Polygonaceae.

Montia bostockii, known by the common name Bostock's minerslettuce, is a species in the genus Montia found in Alaska and northwestern Canada.

Erigeron hyperboreus is a rare Arctic species of flowering plant in the family Asteraceae known by the common name tundra fleabane. It has been found only in arctic tundra in Alaska, Yukon, and Northwest Territories.

Erigeron porsildii is an Arctic species of flowering plant in the family Asteraceae known by the common name Porsild's Arctic fleabane. It has been found in Alaska, Yukon, and the Northwest Territories. Erigeron porsildii is a perennial herb up to 25 centimeters (10 inches) tall, spreading by means of underground rhizomes. Leaves and stems are covered with many hairs The plant generally produces only one flower head per stem. Each head has 65–110 blue, lavender, or white ray florets surrounding numerous yellow disc florets. The species grows on cliffs, talus, gravel, and dry tundra.

Erigeron muirii, or Muir's fleabane, is a rare Arctic species of flowering plant in the family Asteraceae. It has been found only in northern Alaska and the northern Yukon Territory, including Herschel Island in the Arctic Ocean. It grows in tundra, dry slopes, and rock outcrops. Erigeron muirii is a small perennial herb rarely more than 12 cm (5 inches) high, covered with thick wool that gives it a gray-green appearance, spreading by means of underground rhizomes. The plant generally produces only one flower head per stem, the head containing sometimes as many as 100 ray florets surrounding

Erigeron yukonensis is a rare Arctic species of flowering plant in the family Asteraceae known by the common name Yukon fleabane. It is native to the northwestern corner of North America: Alaska, Yukon, Northwest Territories. Erigeron yukonensis grows in rocky slopes and meadows, usually above the tree line. It is a branching perennial herb up to 40 centimeters (16 inches) tall, producing a taproot and a woody underground caudex. It generally produces 1-4 flower heads per stem. Each head contains 42–82 pink, purple, or white ray florets surrounding numerous yellow disc florets.

Erigeron denalii is a North American species of flowering plants in the family Asteraceae known by the common name Denali fleabane. It is found in Alaska, Yukon, British Columbia, and Northwest Territories. Erigeron denalii is a very short perennial herb rarely more than 5 cm (2 inches) tall. Each stem generally has only one flower head, with 30–55 white or lavender ray florets surrounding numerous yellow disc florets. The species is named for Denali, the tallest mountain in North America.

Lupinus nootkatensis, the Nootka lupine, is a perennial plant of the genus Lupinus in the legume family, Fabaceae. It is native to North America and was introduced to Europe in the late 18th century. It grows up to 60 cm tall, and has bright bluish-purple flowers. The Nootka lupine is common on the west coast of North America, and is one of the species from which the garden hybrids are derived, being valued in Britain and other North-European countries for its tolerance of cool, wet summers. In North America, it grows along roadsides, gravel bars, and forest clearings from the Aleutian

Lupinus arcticus is a species of flowering plant in the subfamily Faboideae of the family Fabaceae, known by the common names Arctic lupine or subalpine lupine. It is native to northwestern North America, where it occurs from Oregon north to Alaska and east to Nunavut. It is a common wildflower in British Columbia. This is a perennial herb growing from a taproot and producing erect stems up to 50 centimeters tall. The dark green, hairy leaves are borne upon rough, hairy petioles up to 17 centimeters long. The leaves are palmately compound, made up of 3 to 9 leaflets each measuring up to 6

Cardamine digitata, commonly known as Richardson's bittercress, is an ornamental species of plant in the family Brassicaceae. It is native to Alaska and Canada.

Claytonia sarmentosa is a species of flowering plant in the genus Claytonia, which is indigenous to the mountains of the Lake Baikal region and eastern Siberia and northwestern North America including Alaska, Yukon and northern British Columbia. A widespread species of the mountain chains of Asia and North America, Claytonia sarmentosa has been subject of differing taxonomic opinions with problematic confusion with Claytonia arctica and C. scammaniana. A taxonomic revision including an analysis of the Udokan Mountains population and comparison with Alaskan material was published in 2006.

Arnica lessingii is a Russian and North American species of arnica in the sunflower family. The common name is nodding arnica. It is found on both sides of the Bering Strait, being native to Alaska, Yukon, British Columbia, Northwest Territories, and the Kamchatka Peninsula of the Pacific Coast of Russia.

Cirsium foliosum , also called leafy thistle, foliose thistle, elk thistle, or Evert's thistle, is a North American plant species in the tribe Cardueae within the family Asteraceae. The species is native to Alaska, Yukon, Northwest Territories, Alberta, British Columbia, and Wyoming. Cirsium foliosum is a biennial or perennial herb up to 70 cm (28 inches) tall, blooming only once before dying. Leaves have thin spines along the edges. There are several flowering heads per plant, with white or pale pink disc florets but no ray florets. The roots and stems are edible raw or cooked. The stem,

Antennaria densifolia, the denseleaf pussytoes, is a North American species of plants in the family Asteraceae. It is native to western Canada (Northwest Territories, Yukon, British Columbia, Alberta) and the US states of Alaska and Montana. It grows in subalpine-alpine limestone talus.