Zinnia is a genus of plants of the tribe Heliantheae within the family Asteraceae. They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico. Members of the genus are notable for their solitary long-stemmed 12 petal flowers that come in a variety of bright colors. The genus name honors German master botanist Johann Gottfried Zinn (1727–59).
Grindelia (gumweed) is a genus of plants native to the Americas belonging to the family Asteraceae. The genus was named for Latvian botanist David Hieronymus Grindel, 1776–1836.
Hymenoxys is a genus of plants in the sunflower family, native to North and South America. It was named by Alexandre Henri Gabriel de Cassini in 1828.
Amsonia is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean. It was named in honor of the American physician John Amson. Members of the genus are commonly known as bluestars.
- Amsonia ciliataWalter – fringed bluestar – SE US, S Great Plains
- Amsonia elliptica(Thunb. ex Murray) Roem. & Schult. – Japanese bluestar – China, Japan, Korea
- Amsonia fugateiS.P.McLaughlin – San Antonio bluestar – New Mexico
- Amsonia grandifloraAlexander – Arizona bluestar – Arizona, Sonora, Durango
- Amsonia hubrichtiiWoodson – Hubricht's bluestar – Arkansas, Oklahoma
- Amsonia illustrisWoodson – Ozark bluestar – Mississippi Valley, also Nevada
- Amsonia jonesiiWoodson – Jones' bluestar – Arizona, New Mexico, Utah, Colorado
- Amsonia kearneyanaWoodson – Kearney's bluestar – Baboquivari in Pima Co. in Arizona
- Amsonia longifloraTorr. – tubular bluestar – Arizona, New Mexico, Texas, Coahuila
- Amsonia ludovicianaVail – Louisiana bluestar – Louisiana, Mississippi, Georgia
- Amsonia orientalisDecne. – European bluestar – Greece, Turkey
- Amsonia palmeriA.Gray – Palmer's bluestar – Arizona, New Mexico, Texas, Sonora, Chihuahua
- Amsonia peeblesiiWoodson – Peebles' bluestar – Arizona
- Amsonia repensShinners – creeping bluestar – E Texas, SW Louisiana
- Amsonia rigidaShuttlw. ex Small – stiff bluestar – from Georgia to Louisiana
- Amsonia tabernaemontanaWalter – eastern bluestar – S + C + E United States
- Amsonia tharpiiWoodson – feltleaf bluestar – W Texas, SE New Mexico
- Amsonia tomentosaTorr. & Frém. – woolly bluestar – SW US; Chihuahua
Heterotheca, are North American plants in the family Asteraceae.
Houstonia (bluet) is a genus of plants in the family Rubiaceae. Many species were formerly classified, along with other genera since segregated elsewhere, in a more inclusive genus Hedyotis.
Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753. Plants of this genus are known generally as marsh elders. The genus is native to North America.
Helianthella, the little sunflower, is a genus of North American plants in the family Asteraceae.
Gutierrezia is a genus of flowering plants in the family Asteraceae, native to western North America and western South America. Plants of this genus are known generally as snakeweeds or matchweeds. Some species have been called greasewood. They are annual or perennial plants or subshrubs with yellow or white flowers.
Berlandiera is a genus of flowering plants in the family Asteraceae.
Chaetopappa is a genus of plants in the family Asteraceae which are known generally as leastdaisies.
Flaveria is a genus of plants in the family Asteraceae. They are sometimes called yellowtops. Some are annual or perennial herbs and some are shrubs. They bear yellow flowers in heads, with zero, one, or two ray florets in each head. These plants are found in the Americas, Asia, Africa, and Australia.
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The double-striped bluet is a species of damselfly in the family Coenagrionidae. This species grows to lengths 21–28 mm. Its common name from the peculiar black shoulder stripe, which is divided in two by a thin blue stripe. This is the key identification characteristic; no other damselfly has a shoulder stripe that looks like this one.
Hilaria is a genus of North American plants in the grass family. Members of the genus are commonly known as curly mesquite. They are found in the Southwestern United States, Mexico, and Guatemala.
Tetraneuris, commonly known as four-nerve daisy or bitterweed, is a genus of North American plants in the sneezeweed tribe within the daisy family.
Diaperia is a genus of flowering plants in the family Asteraceae, formerly considered part of Evax. Common names include "rabbit's tobacco" and "dwarf cudweed." These are annual herbs native to the northern Mexico and the central and southern United States, primarily the Great Plains.
Pyrrhopappus is a genus of North American plants in the tribe Cichorieae within the family Asteraceae. Desert-chicory is a common name.
Tetraneuris scaposa is a North American species of plants in the sunflower family. It grows in the southwestern and south-central United States and northern Mexico.
Hymenopappus scabiosaeus, the Carolina woollywhite, is a North American species of flowering plant in the daisy family. It grows in the central and southeastern United States, primarily on the Great Plains an on the Coastal Plain of the Southeast. There are also isolated populations in Illinois and Indiana as well as in the state of Coahuila in northern Mexico.
