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Protoxerula

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Protoxerula
Scientific classification
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Genus:
Protoxerula

R.H.Petersen (2010)
Type species
Protoxerula flavo-olivacea
R.H.Petersen (2010)
Synonyms
  • Xerula flavo-olivacea R.H.Petersen & Halling (2008)[1]
  • Oudemansiella flavo-olivacea Yang et al. (2009)[2]

Protoxerula is a fungal genus in the family Physalacriaceae. Described in 2010 by American mycologist Ron Petersen, the genus is monotypic, containing the sole species Protoxerula flavo-olivacea. This species was originally described as a Xerula in 2008 and transferred to Oudemansiella the following year before the new genus was circumscribed to accommodate it. P. flavo-olivacea is known from northeastern Australia, where it fruits singly to scattered in undisturbed rainforest, usually near plants from the genera Acacia, Agathis, and Corymbia. The variety kimberleyana , named for its type locality in the Kimberley Region of Western Australia, has a greenish-cream cap colour, gills that become white and readily crumble when dry, long pseudorhiza (a cordlike structure resembling a plant root) with a hairy surface, ellipsoid basidiospores, thick-walled "hairs" (setae) on the cap surface, and a unique capitulate ("head-like") pleurocystidia.[3]

References

  1. ^ Petersen RH. (2008). The genus Xerula (Agaricales; Fungi) in Australia and New Zealand. Nova Hedwigia. Vol. 87. E. Schweizerbart'sche Verlagsbuchhandlung. pp. 1–67. doi:10.1127/0029-5035/2008/0087-0001.
  2. ^ Yang ZL, Zhang LF, Mueller GM, Kost GW, Rexer K-H. (2009). "A new systematic arrangement of the genus Oudemansiella s. str. (Physalacriaceae, Agaricales)" (PDF). Mycosystema. 28 (1): 1–13.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Petersen RH, Hughes KW. (2010). The Xerula/Oudemansiella Complex (Agaricales). Nova Hedwigia. Vol. 137. Stuttgart: J. Cramer. pp. 318–25. ISBN 978-3-443-51059-6.