Erigeron canadensis is an annual plant native throughout most of North America and Central America. It is also widely naturalized in Eurasia and Australia. Common names include horseweed, Canadian horseweed, Canadian fleabane, coltstail, marestail, and butterweed. It was the first weed to have developed glyphosate resistance, reported in 2001 from Delaware.
Erigeron sumatrensis is an annual herb probably native to South America, but widely naturalised in tropical and subtropical regions, and regarded as an invasive weed in many places.
Erigeron compositus is an Arctic and alpine species of fleabane in the family Asteraceae. Common names include dwarf mountain fleabane, cutleaf daisy, and trifid mountain fleabane.
Erigeron philadelphicus, the Philadelphia fleabane, is a species of flowering plant in the composite family (Asteraceae). Other common names include common fleabane, daisy fleabane, frost-root, marsh fleabane, poor robin's plantain, skervish, and, in the British Isles, robin's-plantain, but all of these names are shared with other species of fleabanes (Erigeron). It is native to North America and has been introduced to Eurasia.
Erigeron annuus, the annual fleabane, daisy fleabane, or eastern daisy fleabane, is a species of herbaceous, annual or biennial flowering plant in the family Asteraceae.
Erigeron aphanactis is a species of flowering plant in the family Asteraceae known by the common name rayless daisy, or rayless shaggy fleabane. This wildflower is native to the western United States, primarily the Great Basin and Colorado Plateau regions.
Erigeron compactus is a species of flowering plant in the family Asteraceae known by the common names cushion daisy, fernleaf fleabane, and compact daisy.
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
Erigeron lassenianus is a species of flowering plant in the family Asteraceae known by the common name Mount Lassen fleabane.
Erigeron linearis is a species of flowering plant in the family Asteraceae known by the common name desert yellow fleabane or narrow leaved fleabane. It is native to western North America.
Erigeron parishii is a species of flowering plant in the family Asteraceae known by the common names Parish's daisy and Parish's fleabane.
Erigeron vagus is a high-elevation species of flowering plant in the family Asteraceae known by the common names rambling fleabane.
Erigeron miser is a species of flowering plant in the family Asteraceae known by the common names starved daisy or starved fleabane. It is endemic to California, where it is known only from the northern High Sierra Nevada.
Erigeron tener is a North American species of flowering plant in the family Asteraceae known by the common name slender fleabane. It is native to the western United States, largely in the Great Basin, in the states of California, Arizona, Nevada, Utah, Oregon, Wyoming, Idaho, and Montana.
Erigeron maniopotamicus is a rare species of flowering plant in the family Asteraceae known by the common name Mad River fleabane. It is endemic to northwestern California, where it is known from only four locations in Humboldt and Trinity Counties.
Erigeron pumilus, the shaggy fleabane, or vernal daisy, is a hairy North American species of perennial plants in the family Asteraceae. It is widespread across much of western Canada and the western United States, from British Columbia east to Saskatchewan and south as far as Oklahoma and the San Bernardino Mountains of California. There have been reports of the plant growing in Yukon Territory, but these were based on misidentified specimens.
Erigeron melanocephalus is a North American species of flowering plant in the family Asteraceae known by the common name black-headed fleabane. It is found in the Rocky Mountains of the western United States, in the states of Wyoming, Colorado, New Mexico, and Utah.
Erigeron poliospermus is a species of flowering plant in the family Asteraceae known by the common names gray-seeded fleabane, purple cushion fleabane, and hairy-seed fleabane. Native to western North America, it is mainly found to the east of the Cascade Range in Washington, Oregon, and Idaho.
Erigeron tweedyi, or Tweedy's fleabane, is a perennial herb in the family Asteraceae. It is native to the Rocky Mountains in Montana, Idaho and Wyoming.
Erigeron floribundus is an annual/biennial plant native to South America to Mexico and introduced to many parts of the world.
