Hieracium albiflorum, known by the names white hawkweed and white-flowered hawkweed, is a common and widespread species of plant in the family Asteraceae.
Hieracium greenei is a species of hawkweed known by the common name Greene's hawkweed.
Hieracium scouleri, known as Scouler's woollyweed, is a species of flowering plant in the tribe Cichorieae within the family Asteraceae. It is native to western North America, from British Columbia and Alberta in Canada, and south to northern California and Utah in the United States.
Hieracium venosum is a species of hawkweed in the tribe Cichorieae within the family Asteraceae. It is widespread and common in south-central Canada (Ontario) and the eastern United States. Its common name comes from the fact that environments it is found in are typically also a home to rattlesnakes.
Hieracium carneum, common name Huachuca hawkweed, is a North American plant species in the family Asteraceae, native to Arizona, New Mexico, Texas and Chihuahua. It grows on rocky sites at elevations of 2,000–2,300 m (6,600–7,500 ft).
Hedypnois rhagadioloides, the Cretanweed or scaly hawkbit, is a species of plant in the tribe Cichorieae within the family Asteraceae. It is native to the Mediterranean Region and neighboring areas from Canary Islands to Iran, and naturalized in Australia and in parts of the Americas.
Hieracium traillii is a species of hawkweed known by the common name Maryland hawkweed.
Hieracium abscissum is a species of plant in the tribe Cichorieae within the family Asteraceae. It is considered to be native to the south-western United States, Mexico and Central America.
Hieracium alpinum, the alpine hawkweed, is a Eurasian plant species in the tribe Cichorieae within the family Asteraceae. It is native to Europe, and has also been found in Greenland.
Hieracium bolanderi or Bolander's hawkweed is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is found primarily in the mountains of western Oregon and northern California in the United States, although there are reports of the species farther south in the San Bernardino Mountains in southern California and also in Baja California in Mexico.
Hieracium crepidispermum is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is widespread across much of Mexico and found also in the US states of Arizona and New Mexico.
Pilosella flagellaris is a European plant species in the tribe Cichorieae within the family Asteraceae. It is native to Europe but naturalized in scattered locations in the United States and Canada.
Hieracium gronovii, commonly known as queendevil, hairy hawkweed, beaked hawkweed, and Gronovius' hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is common and widespread across much of the continent from Ontario south as far as Florida, the Dominican Republic, and Panamá. The plant can be found in rocky, dry, open woods and in fields.
Hieracium longiberbe, known by the common name longbeard hawkweed, is a rare North American plant species in the tribe Cichorieae within the family Asteraceae It has been found only in the Columbia River Gorge along the border between the states of Washington and Oregon in the northwestern United States.
Hieracium longipilum, the hairy hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is widespread across much of central Canada and the central United States from Ontario south to Texas and Louisiana. There are old reports of the species growing in Québec, but apparently does not grow there now.
Hieracium megacephalum, the coastal plain hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It grows only in the southeastern United States, in Georgia, Florida, and the Carolinas.
Hieracium paniculatum, the Allegheny hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It grows only in the eastern United States and eastern Canada, from Nova Scotia west to Ontario, Michigan, and Indiana south as far as Georgia.
Hieracium parryi is a North American plant species in the tribe Cichorieae within the family Asteraceae. It grows only in the western United States, in southwestern Oregon and northeastern California. It is commonly known as woollyweed.
Hieracium scabrum, the rough hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is native to eastern and central Canada and the eastern and central United States from Nova Scotia west to Ontario, Minnesota, and Kansas south as far as Georgia and Oklahoma.
Hieracium schultzii, the roughstem hawkweed, is a species of plant in the tribe Cichorieae within the family Asteraceae. It is widespread across much of Mexico with a few populations in Guatemala and western Texas.
