Matricaria discoidea, commonly known as pineappleweed, wild chamomile, disc mayweed, and rayless mayweed, is an annual plant native to North America and introduced to Eurasia where it grows as a common herb of fields, gardens, and roadsides. It is in the daisy family Asteraceae. The flowers exude a chamomile/pineapple aroma when crushed. They are edible and have been used in salads and to make herbal tea.
Tripleurospermum inodorum, common names scentless false mayweed, scentless mayweed, scentless chamomile, and Baldr's brow, is the type species of Tripleurospermum. This plant is native to Eurasia, and introduced to North America, where it is commonly found in fields, fallow land and gardens.
Thelesperma filifolium, commonly known as stiff greenthread, or plains greenthread, is a species of flowering plant in the aster family, Asteraceae. It is often found growing in shallow soils. It prefers disturbed sites in dry, sandy or gravelly soil with a neutral to basic pH. Stiff greenthread adapts to various soil conditions, including loam, clay, caliche, and roadsides. It generally flowers from March to August, sometimes into October.
Physocarpus, commonly called ninebark, is a genus of flowering plants in the family Rosaceae, native to North America and northeastern Asia.
Machaeranthera is a genus of North American flowering plants in the family Asteraceae which are known by the common name tansyaster.
Erigeron inornatus is a North American species of flowering plant in the family Asteraceae known by the common name California rayless daisy, California rayless fleabane, rayless fleabane, Lava rayless fleabane
Layia is a genus of flowering plants in the family Asteraceae known generally as tidy tips, native to western North America. Several are California endemics.
Thelesperma is a genus of North American and South American plants in the cosmos tribe within the sunflower family. Greenthread is a common name for plants in this genus.
Solidago nemoralis is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widely found in Canada and the United States. Its common names include gray goldenrod, gray-stem goldenrod, old-field goldenrod, field goldenrod, prairie goldenrod, dwarf goldenrod, and dyersweed goldenrod.
Pericome caudata is a North American species of flowering plant in the aster family known by the common name mountain tail-leaf.
Stanleya pinnata is a species of flowering plant in the family Brassicaceae known as desert prince's-plume. It is a perennial herb or shrub native to North America.
Proatriplex is a monotypic plant genus in the subfamily Chenopodioideae of the family Amaranthaceae, with the only species Proatriplex pleiantha. It is known by the common names four-corners orach and Mancos shadscale. It occurs in the Navajo Basin of Arizona, Colorado, New Mexico, and Utah.
Bigelowia nuttallii is a species of North American flowering plants in the family Asteraceae, native to the southern United States.
Bigelowia nudata, the pineland rayless goldenrod, is a species of North American flowering plant in the family Asteraceae. It is native to the coastal plain of the southeastern United States.
Deinandra kelloggii, Kellogg's spikeweed or Kellogg's tarweed, is a North American species of plant in the tribe Madieae within the family Asteraceae. It is native to Baja California, southern and central California, and Arizona.
Ericameria watsonii, or Watson's goldenbush, is a North American species of flowering shrubs from the family Asteraceae. It is native to the states of Nevada, Utah, and Arizona in the southwestern United States.
Erigeron velutipes is a North American species of flowering plant in the family Asteraceae known by the common names delicate fleabane and Chihuahuan fleabane.
Thelesperma subnudum, commonly known as Navajo tea, is a perennial species of flowering plant in the family Asteraceae. It is found from west central Canada to central United States. It grows in openings in pinyon/juniper or yellow pine forests.
Thelesperma nuecense, the Rio Grande greenthread, is an annual species of flowering plant in the aster family. It is native to Texas.
Thelesperma longipes, commonly called the longstalk greenthread, is a perennial herb or subshrub in the Asteraceae family. It is found from Arizona to northeast Mexico.
