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Dichanthelium lanuginosum

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Kingdom
  
Family
  
Scientific name
  
Dichanthelium lanuginosum

Rank
  
Species

Order
  
Genus
  
Dichanthelium

Higher classification
  
Dichanthelium

Dichanthelium lanuginosum httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Curvularia protuberata, Dichanthelium, Grasses, Agrostis scabra, Eukaryote

Dichanthelium lanuginosum (Panic grass) is a species of grass. It is widespread in North America, and is most common in central and eastern United States. It is found in a variety of habitats, mostly in open, dry areas.

A variety, D. lanuginosum var. thermale, grows in geothermal areas of Yellowstone National Park, United States. It is able to withstand high temperatures and high acidity in its rhizosphere. In 2007 it was found that the heat tolerance is conferred to the grass by a symbiosis between a fungus and a virus. When it is colonised by the fungus Curvularia protuberata and the fungus is in turn colonised by a particular virus, the grass is able to tolerate soil temperatures of up to 65 °C that would otherwise be lethal. Due to the distinctiveness and isolation of this taxon, it is sometimes considered to be a separate species: Dichanthelium thermale.

References

Dichanthelium lanuginosum Wikipedia


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