Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
as of December 2022:
; formerly included
Many species once included in ''Haplopappus'' are now regarded as belonging to other genera: ''
Acamptopappus
''Acamptopappus'' is a genus of flowering plants in the family Asteraceae described as a genus in 1873.
''Acamptopappus'' is native to the deserts in southwestern North America. The name is derived from ''a-'' (not), ''campto-'' (bent), and ''p ...
Aztecaster
''Aztecaster'' is a genus of Mexican flowering plants in the family Asteraceae.
; Species
* '' Aztecaster matudae'' (Rzed.) G.L.Nesom - Nuevo León, Coahuila, Zacatecas, San Luis Potosí
* '' Aztecaster pyramidatus'' (B.L.Rob. & Greenm.) G.L.Ne ...
Benitoa
''Benitoa'' is a genus of flowering plants in the family Asteraceae.
''Benitoa'' is monotypic, containing the single species ''Benitoa occidentalis''. It is sometimes included in genus ''Lessingia'' as the synonym ''Lessingia occidentalis''. Nes ...
Croptilon
''Croptilon'' is a small North American genus of flowering plants in the tribe Astereae within the family Asteraceae.
; Species
''Croptilon'' is native to the southeastern and south-central United States as well as northeastern Mexico.
* '' Crop ...
Grindelia
''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.
They are herbaceous plants or subshrubs with annual, biennial ...
Haploesthes
''Haploesthes'' is a North American genus of flowering plants in the family Asteraceae. It grows in Mexico and in the southwestern United States. They are perennial herbs or subshrubs with yellow flower heads.
The name is sometimes spelled ''Hap ...
Inulopsis
''Inulopsis'' is a genus of South American flowering plants in the family Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales ...
Isocoma
''Isocoma'', commonly called jimmyweed or goldenweed, is a genus of North American semi-woody shrubs in the family Asteraceae. It is found in the semi-arid areas of Southwestern United States and Mexico.
The name of this genus is derived from th ...
Llerasia
''Llerasia'' is a genus of South American flowering plants in the family Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales ...
Lorandersonia
''Lorandersonia'', commonly called rabbitbush, is a genus of North American flowering plants in the family Asteraceae.
The genus is named for American botanist Loran Crittenden Anderson of Florida State University.
; Species
Machaeranthera
''Machaeranthera'' is a genus of North American flowering plants in the family Asteraceae which are known by the common name tansyaster.
Tansyasters are variable in appearance. Some are small, singular wildflowers, while others are sprawling shr ...
Nestotus
''Nestotus'' is a genus of flowering plants in the family Asteraceae.
The name ''Nestotus'' was chosen because it is an anagram of the name of the related genus '' Stenotus''. ''Tonestus'' is similarly another anagram of the same name.
Noticastrum
''Noticastrum'' is a genus of South American flowering plants in the family Asteraceae.
; Species
References
Asteraceae genera
Astereae
Flora of South America
{{Astereae-stub ...
Oonopsis
''Oonopsis'', or false goldenweed, is a genus of flowering plants in the family Asteraceae.
; Species
Oreochrysum
''Oreochrysum'' is a genus of flowering plants in the family Asteraceae.
;Species
There is only one known species, ''Oreochrysum parryi'', native to western North America (Chihuahua, New Mexico, Arizona, Nevada, Utah, Colorado, Wyoming, South Da ...
Oreostemma
''Oreostemma'' is a genus of flowering plants in the family Asteraceae. Species are found in western North America, with two endemic to California.
; Species
* '' Oreostemma alpigenum'' (Tundra aster) — California, Nevada, Oregon, Washington, ...
Osbertia
''Osbertia'' is a genus of Mesoamerican flowering plants in the family Asteraceae.Pyrrocoma
''Pyrrocoma'' is a genus of North American plants in the family Asteraceae. These wildflowers are sometimes known as goldenweeds.
The species of ''Pyrrocoma'' were previously considered members of genus '' Haplopappus'' but were separated out in ...
Rayjacksonia
''Rayjacksonia'' is a genus of North American flowering plants in the family Asteraceae. It is one of several genera with the common name tansyaster.
The genus is named in honor of American botanist Raymond Carl Jackson
Raymond "Ray" Carl Ja ...
Toiyabea
''Toiyabea'' is a genus of North American plants in the aster tribe within the daisy family. The genus is named for the Toiyabe Mountains in the US state of Nevada. The only known species is ''Toiyabea alpina'', the alpine serpentweed, native t ...
Tonestus
''Tonestus'', common name serpentweed, is a genus of North American flowering plants in the family Asteraceae.Xanthisma''