Asteraceae — Daisy Family
Heterotheca camporum (Greene) Shinners
Heterotheca camporum (Greene) Shinners
Lemonyellow false goldenaster (Heterotheca camporum) is a North American perennial flowering plant in the Asteraceae family, native to the central United States.
Heterotheca canescens (DC.) Shinners
Heterotheca canescens (DC.) Shinners
Heterotheca canescens, hoary goldenaster, is a North American flowering plant in Asteraceae found in northern Mexico and central US Great Plains.
Heterotheca grandiflora Nutt.
Heterotheca grandiflora Nutt.
Heterotheca grandiflora is a bristly yellow-flowered Asteraceae species native to southwestern US and northwestern Mexico, often a roadside weed.
Heterotheca oregona (Nutt.) Shinners
Heterotheca oregona (Nutt.) Shinners
Heterotheca oregona is a bristly perennial herb with four varieties, native to western North America’s low elevation mountain habitats.
Heterotheca sessiliflora (Nutt.) Shinners
Heterotheca sessiliflora (Nutt.) Shinners
Heterotheca sessiliflora, sessileflower false goldenaster, is a variable perennial herb native to western North America.
Heterotheca subaxillaris (Lam.) Britton & Rusby
Heterotheca subaxillaris (Lam.) Britton & Rusby
Heterotheca subaxillaris, or camphorweed, is a perennial aromatic herb widespread across the US, Mexico, and Belize, with specific pollinator and herbivore interactions.
Heterotheca villosa (Pursh) Shinners
Heterotheca villosa (Pursh) Shinners
Heterotheca villosa, or hairy golden aster, is a yellow-flowered North American plant with multiple recognized varieties.
Hieracium albiflorum Hook.
Hieracium albiflorum Hook.
Hieracium albiflorum (white hawkweed) is a widespread white-flowered North American Asteraceae species related to dandelions.
Hieracium alpinum L.
Hieracium alpinum L.
Hieracium alpinum, alpine hawkweed, is a small herbaceous Eurasian flowering plant in the Asteraceae family native to Europe and found in Greenland.
Hieracium gronovii L.
Hieracium gronovii L.
Hieracium gronovii is a widespread North American herbaceous plant in the Asteraceae family with small yellow flowers.
Hieracium horridum Fr.
Hieracium horridum Fr.
Hieracium horridum Fr. is a small hairy flowering plant of the daisy family that grows in dry rocky mountain forests in the western US.
Hieracium lachenalii Suter
Hieracium lachenalii Suter
Hieracium lachenalii Suter is a common yellow-flowered weed native to most of Europe, introduced to North America and Australia, often found in disturbed soils.
Hieracium lepidulum Stenstr., 1889
Hieracium lepidulum Stenstr., 1889
Hieracium lepidulum (tussock hawkweed) is a potentially invasive triploid flowering plant in the Asteraceae family.
Hieracium longipilum Torr. ex Hook.
Hieracium longipilum Torr. ex Hook.
Hieracium longipilum (hairy hawkweed) is a tall hairy North American herb in the daisy family with yellow flower heads.
Hieracium maculatum Schrank
Hieracium maculatum Schrank
Hieracium maculatum, spotted hawkweed, is a flowering Hieracium species native to Europe, introduced to North America and a weed in Canada.
Hieracium megacephalum Nash
Hieracium megacephalum Nash
Hieracium megacephalum is a North American hawkweed species native only to the southeastern US, with yellow ray flower heads.
Hieracium murorum L.
Hieracium murorum L.
Hieracium murorum, the wall hawkweed, is an Asteraceae flowering plant native to Europe and naturalized in cold North American regions.
Hieracium paniculatum L.
Hieracium paniculatum L.
Hieracium paniculatum, the Allegheny hawkweed, is a yellow-flowered herb native to eastern North America.
Hieracium sabaudum L.
Hieracium sabaudum L.
Hieracium sabaudum is a European hawkweed species naturalized as a noxious weed in parts of North America.
Hieracium scabrum Michx.
Hieracium scabrum Michx.
Hieracium scabrum Michx. is a rough-haired herb native to eastern and central North America with yellow clustered flowers.
Hieracium scouleri Hook.
Hieracium scouleri Hook.
Hieracium scouleri Hook. is a mountain-dwelling flowering plant with bright yellow flower heads that lack disc florets.
Hieracium triste Willd. ex Spreng.
Hieracium triste Willd. ex Spreng.
Hieracium triste, or slender hawkweed, is an unbranched perennial herb that grows across western North America from Southern Colorado to Wyoming.
Hieracium umbellatum L.
Hieracium umbellatum L.
Hieracium umbellatum L. is a yellow-flowered plant with hooked-toothed pointed leaves, native to most Northern Hemisphere temperate areas.
Hieracium venosum L.
Hieracium venosum L.
Hieracium venosum, a hairy perennial hawkweed native to eastern North America, grows in shady dry sandy areas and has yellow flowers.
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