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Omalotheca
Omalotheca supina
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Gnaphalieae
Genus:	Omalotheca Cass.
Type species
Omalotheca supina (L.) DC.
Synonyms
Gnaphalium sect. Omalotheca (Cass.) Nutt.

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 included in Gnaphalium.

Species

As of April 2023, Plants of the World Online accepted the following species:

• Omalotheca caucasica (Sommier & Levier) Czerep.
• Omalotheca diminuta (Braun-Blanq.) Bartolucci & Galasso
• Omalotheca hoppeana (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 (Gunnerus) F.W.Schultz & Sch.Bip.
• Omalotheca roeseri (Boiss. & Heldr.) Holub
• Omalotheca supina (L.) DC.
• Omalotheca sylvatica (L.) F.W.Schultz & Sch.Bip.
• Omalotheca × traunsteineri (Murr) Dostál

References

1. 1796 painting by Jacob Sturm; published in Johann Georg Sturm - Figure from Deutschlands Flora in Abbildungen, labeled as Gnaphalium supinum
2. ^ Tropicos, Omalotheca Cass.
3. Cassini, Alexandre Henri Gabriel de. 1828. Dictionnaire des Sciences Naturelles 56: 218–219in French
4. USDA Natural Resources Conservation Service (NRCS) PLANTS Database: Omalotheca Cass. 12/26/2012 05:16 PM CST
5. Flora of North America Omalotheca Cassini in F. Cuvier
6. Flann, C (ed) 2009+ Global Compositae Checklist
7. "Omalotheca Cass". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-04-20.

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• Asteraceae genera
• Gnaphalieae
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