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Gaillardia is a genus of flowering plants in the sunflower family, Asteraceae, native to North and South America. It was named after Maître Gaillard de Charentonneau, an 18th-century French magistrate who was an enthusiastic botanist. The common name may refer to the resemblance of the inflorescence to the brightly patterned blankets made by Native Americans, or to the ability of wild taxa to blanket the ground with colonies. Many cultivars have been bred for ornamental use.
Helenium is a genus of annuals and herbaceous perennials in the sunflower family native to the Americas.
Helenium autumnale is a North American species of flowering plants in the sunflower family. Common names include common sneezeweed and large-flowered sneezeweed.
Helenium bigelovii is a North American perennial plant in the Sunflower Family, commonly known as Bigelow's sneezeweed. It grows in moist areas such as meadows, marshes, or streamsides. It is found at moderate and higher elevations (3000-10,000 ft) in the foothills and mountains of California and Oregon: Cascades, Coast Ranges, Klamath Mountains, Sierra Nevada, etc. Cultivars of the species are used in gardening as ornamentals.
Isocoma pluriflora, commonly called southern jimmyweed or southern goldenbush, is a North American species of flowering perennial herbs in the sunflower family. It grows in northern Mexico and in the southwestern and south-central United States.
Helenium amarum is a species of annual herb in the daisy family known by the common names yellowdicks, yellow sneezeweed, fiveleaf sneezeweed, and bitter sneezeweed. It is native to much of the south-central United States and northern Mexico, and it is present elsewhere in North America, Australia, and the West Indies as an introduced species.
Helenium bolanderi is a North American species of flowering plant in the daisy family known by the common name coastal sneezeweed. It is native to southern Oregon and northern California as far south as Mendocino County, primarily along the seacoast.
Hymenoxys hoopesii is a species of flowering plant in the daisy family known by the common names owl's claws, orange sneezeweed, and yerba del lobo. It is native to the western United States, where it grows in habitats of moderate elevation, such as mountain meadows in the Rocky Mountains, Sierra Nevada, southern Cascades, and other ranges. It has been found from Arizona, New Mexico, and central California north as far as Montana and Oregon.
Helenium arizonicum is a North American perennial plant in the Sunflower Family, commonly known as Arizona sneezeweed. It is native only to Arizona in the southwestern United States, having been found only in four counties in that state: Apache, Navajo, Gila, and Coconino.
Helenium drummondii is a North American perennial plant in the Sunflower Family, commonly known as fringed sneezeweed. It is native to the south- central United States, in eastern Texas, Arkansas, and Louisiana.
Helenium apterum is a North American perennial plant in the sunflower family. It has been found only in the state of Durango in northwestern Mexico. Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae. Phytologia Memoirs 16: 1–100
Helenium elegans is a North American perennial plant in the sunflower family, commonly known as pretty sneezeweed. It is native to the south-central United States and to northeastern Mexico.
Helenium linifolium is a North American perennial plant in the Sunflower Family, commonly known as slimleaf sneezeweed. It is found only in southern Texas.
Helenium microcephalum is a North American perennial plant in the sunflower family, commonly known as smallhead sneezeweed. It is found in the southwestern and south-central United States and northern Mexico.
Helenium pinnatifidum is a North American perennial plant in the Sunflower Family, commonly known as Southeastern sneezeweed. It is found in the southeaster United States.
Helenium quadridentatum is a North American plant in the sunflower family, commonly known as Longdisk sneezeweed. It is found in the southeastern and south-central United States as well as Mexico, Cuba, Guatemala, and Belize.
Helenium thurberi is a North American plant in the sunflower family, commonly known as Thurber's sneezeweed. It is native to Mexico and the southwestern United States (Arizona).
Helenium vernale is a North American species of flowering plant in the aster family known by the common name Savanna sneezeweed or spring sneezeweed. It is native to the southeastern United States, from Louisiana to the Carolinas.
Helenium mexicanum is a Mesoamerican perennial plant in the sunflower family, common name Cabezona. It is native to Mexico and Central America, from Sonora and San Luis Potosí south as far as Costa Rica.
Hymenoxys ambigens is a species of flowering plant in the daisy family known by the common name Pinaleño Mountains rubberweed. It is native to the states of Arizona and New Mexico in the southwestern United States.
References
- 1 2 3 Bierner, Mark William. 1972. Sida 5(1): 45-47, as Helenium chihuahuensis, includes full-page line drawing on page 46
- ↑ Tropicos, Helenium chihuahuense Bierner
- ↑ Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100
