Volvopluteus michiganensis
| Volvopluteus michiganensis | |
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| Washtenaw County in Michigan, where the species was originally found | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Pluteaceae |
| Genus: | Volvopluteus |
| Species: | V. michiganensis |
| Binomial name | |
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Volvopluteus michiganensis (A.H.Sm.) Justo & Minnis (2011) |
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| Synonyms | |
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| Volvopluteus michiganensis | |
|---|---|
| Mycological characteristics | |
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gills on hymenium |
 
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cap is ovate or flat |
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hymenium is free |
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stipe has a volva |
 
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spore print is pink to pinkish-brown |
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ecology is saprotrophic |
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edibility: unknown |
cap is ovate
spore print is pink
Volvopluteus michiganensis is a species of mushroom in the family Pluteaceae. It was originally described under the name Pluteus michiganensis but molecular studies have placed it in the Volvopluteus, a genus described in 2011. The cap of this mushroom is about 7–9 cm (2.8–3.5 in) in diameter, gray, and has a cracked margin that is sticky when fresh. The gills start out as white but they soon turn pink. The stipe is white and has a volva at the base. Microscopical features and DNA sequence data are of great importance for separating this taxon from related species. V. michiganensis is a saprotrophic fungus that was originally described as growing on sawdust. It has only been reported from Michigan (USA) and the Dominican Republic.
V. michiganensis
This species was originally described by American mycologist Alexander H. Smith in 1934 as Pluteus michiganensis, based on collections made in Ann Arbor in October 1932. In the original description there is no mention of a volva at the base of the stipe, one of the morphological characters separating Pluteus from Volvopluteus. Smith did mention that "the large spores are unusual for the genus Pluteus". The species then disappeared from the mycological literature of the 20th century and Smith did not include his own species when he revised the type collections of North American Pluteus. Morphological revision of the type and DNA sequence data (based on Internal transcribed spacer sequences) obtained from the collection confirmed that this taxon belongs in the genus Volvopluteus, and that it is a separate species from all the other members of that genus.
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