Asteraceae (Aster) of the Pacific Northwest
Will need to separate into different parts because there are 1,000+ species. This one will help to get to the subfamily or genera first.
Probably separate into the subfamilies: (check on Tropicos for accepted / current ...more ↓
knapweeds
Centaurea (/ˌsɛntɔːˈriːə/) is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich. Common names for this genus are centaury, centory, ...more ↓
plumeless thistles
Carduus is a genus of flowering plants in the aster family, Asteraceae, and the tribe Cynareae, one of two genera considered to be true thistles, the other being Cirsium. Plants of the genus are known commonly as plumeless thistles. They are native to Eurasia and Africa, and several are known elsewhere as introduced species. This genus is noted for its ...more ↓
cotton thistles
Onopordum, cottonthistle, is a genus of plants in the thistle tribe within the Asteraceae. They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia. They grow on disturbed land, roadsides, arable land and pastures.
thistles
Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera (Carduus, Silybum and Onopordum) in having feathered hairs to their achenes. The other genera have a pappus of simple unbranched hairs.
knapweeds
Centaurea (/ˌsɛntɔːˈriːə/) is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich. Common names for this genus are centaury, centory, ...more ↓
Silybum
Silybum (milk thistle) is a genus of two species of thistles in the (daisy family). The plants are native to the Mediterranean regions of Europe, North Africa, and the Middle East. One species has been introduced elsewhere, including in North America. The name "milk thistle" derives from a feature of the leaves, which are prominently banded with splashes of white. ...more ↓
Rhaponticum
Rhaponticum a.k.a. Maral Root is a genus of plants in the thistle tribe within the sunflower family.
Saussurea
Saussurea is a genus of about 300 species of flowering plants in the thistle tribe within the daisy family, native to cool temperate and arctic regions of Asia, Europe, and North America, with the highest diversity in alpine habitats in the Himalaya and central Asia. Common names include saw-wort and snow lotus, the latter used for a number of high altitude species ...more ↓
Saussurea
Saussurea is a genus of about 300 species of flowering plants in the thistle tribe within the daisy family, native to cool temperate and arctic regions of Asia, Europe, and North America, with the highest diversity in alpine habitats in the Himalaya and central Asia. Common names include saw-wort and snow lotus, the latter used for a number of high altitude species ...more ↓
burdocks
Arctium is a genus of biennial plants commonly known as burdock, family Asteraceae. Native to the Old World, several species have been widely introduced worldwide.
Carthamus
The genus Carthamus, the distaff thistles, includes plants in the thistle family. The group is native to Europe, North Africa, and parts of Asia.
Globe thistles
Echinops /ˈɛkɪnɒps/ is a genus of about 120 species of flowering plants in the family Asteraceae, commonly known as globe thistles. They have spiny foliage and produce blue or white spherical flower heads. They are native to Europe east to central Asia and south to the mountains of tropical Africa.. Globe thistle is the host plant of weevil Larinus vulpes .
