Omalotheca

Omalotheca
Omalotheca supina [1]
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 [2]
Gnaphalium sect. Omalotheca(Cass.) Nutt.

Omalotheca is a genus of flowering plants in the family Asteraceae. ^{[3] [2]} It is commonly known as arctic cudweed. ^{[4] [5]}

There is some disagreement about which species should be included in Omalotheca. Some or all of the species are sometimes included in Gnaphalium . ^[6]

Species

As of April 2023 ^[update] , Plants of the World Online accepted the following species: ^[7]

• 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 [Second edition] 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 ^{[ dead link ]}
7. "Omalotheca Cass". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-04-20.