''Omalotheca'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of 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. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
.
[Tropicos, ''Omalotheca'' Cass.]
/ref> It is commonly known as arctic cudweed.[Flora of North America ''Omalotheca'' Cassini in F. Cuvier]
/ref>
There is some disagreement about which species should be included in ''Omalotheca.'' Some or all of the species are sometimes included in '' Gnaphalium''.Flann, C (ed) 2009+ Global Compositae Checklist
/ref>
Species
, 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 ...
accepted the following species:Omalotheca hoppeana
''Omalotheca'' is a genus of flowering plants in the family Asteraceae. It is commonly known as arctic cudweed.
There is some disagreement about which species should be included in ''Omalotheca.'' Some or all of the species are sometimes include ...
'' (W.D.J.Koch) F.W.Schultz & Sch.Bip.
*'' Omalotheca leucopilina'' (Schott & Kotschy ex Boiss.) Holub
*'' Omalotheca nanchuanensis'' (Y.Ling & Y.Q.Tseng) Holub
*''Omalotheca norvegica
''Omalotheca norvegica'', synonym ''Gnaphalium norvegicum'', is a European species of plants in the family Asteraceae. It is known as the highland cudweed or Norwegian arctic cudweed. It is native to eastern Canada and Greenland, and widespread ...
'' (Gunnerus) F.W.Schultz & Sch.Bip.
*''Omalotheca roeseri
''Omalotheca'' is a genus of flowering plants in the family Asteraceae. It is commonly known as arctic cudweed.
There is some disagreement about which species should be included in ''Omalotheca.'' Some or all of the species are sometimes include ...
'' (Boiss. & Heldr.) Holub
*''Omalotheca supina
''Omalotheca'' is a genus of flowering plants in the family Asteraceae. It is commonly known as arctic cudweed.
There is some disagreement about which species should be included in ''Omalotheca.'' Some or all of the species are sometimes include ...
'' (L.) DC.
*''Omalotheca sylvatica
''Omalotheca sylvatica'', synonyms including ''Gnaphalium sylvaticum'', is a species of plant in the family Asteraceae. It is commonly known as heath cudweed, wood cudweed, golden motherwort, chafeweed, owl's crown, and woodland arctic cudweed. ...
'' (L.) F.W.Schultz & Sch.Bip.
* ''Omalotheca'' × ''traunsteineri'' (Murr) Dostál
References
Asteraceae genera
Gnaphalieae
{{Gnaphalieae-stub