Omalotheca

arctic cudweed
Omalotheca supina[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Gnaphalieae
Genus: Omalotheca
Type species
Omalotheca supina
Synonyms[2]

Gnaphalium sect. Omalotheca (Cass.) Nutt.

Omalotheca is a genus of flowering plants in the daisy family.[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[7][8][5]
  1. Omalotheca afghanica (Rech.fil. & Köie) J.Holub - Afghanistan
  2. Omalotheca norvegica (Gunnerus) Sch.Bip. & F.W.Schultz – Norwegian arctic cudweed - Europe, Russia (Asian and European), Central Asia, Xinjiang, Newfoundland, Labrador, Quebec, Greenland
  3. Omalotheca stewartii (Clarke) J.Holub - India, Pakistan, Afghanistan, Turkey, Xinjiang, Yunnan
  4. Omalotheca supina (L) DC. – alpine arctic cudweed - Mongolia, Iran, Central Asia, Russia, Greenland, Labrador, Newfoundland, Quebec, Maine, New Hampshire
  5. Omalotheca sylvatica (L.) Sch.Bip. & F.W.Schultz – woodland arctic cudweed - Europe, northern central and southwestern Asia, northern North America

References

  1. ↑ 1796 painting by Jacob Sturm; published in Johann Georg Sturm - Figure from Deutschlands Flora in Abbildungen, labeled as Gnaphalium supinum
  2. 1 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. 1 2 Flora of North America Omalotheca Cassini in F. Cuvier
  6. ↑ Flann, C (ed) 2009+ Global Compositae Checklist
  7. ↑ The Plant List search for Omalotheca
  8. ↑ Integrated Taxonomic Information System (ITIS) Report: Omalotheca Cass. Wed Dec 26 2012 04:29:09 MST


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