Calonarius viridirubescens
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| Calonarius viridirubescens | |
|---|---|
 | |
| San Luis Obispo County, California, 2022 | |
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Cortinariaceae |
| Genus: | Calonarius |
| Species: | C. viridirubescens |
| Binomial name | |
| Calonarius viridirubescens (M.M. Moser & Ammirati) Niskanen & Liimat. (2022) | |
| Synonyms | |
|
Cortinarius viridirubescens | |
| Mycological characteristics | |
 | Gills on hymenium |
|---|---|
 | Cap is convex |
 | Hymenium is emarginate |
 | Stipe has a cortina |
 | Spore print is reddish-brown |
 | Ecology is mycorrhizal |
 | Edibility is unknown |
Calonarius viridirubescens is a species of gilled mushroom. First described to science in 1997,[1] this species was previously classified as Cortinarius viridirubescens,[2] and is thus commonly known as the yellow-green cort.[3]
This California endemic mushroom's coloration is distinctive, with a chartreuse stipe to go with its yellow-green cap (the color can range from grass green to rusty orange).[3] This mushroom has the "enlarged" bulb at the base that is typical of cortinarias, stains red in age, and according to the authors of Mushrooms of the Redwood Coast, has a "prominent cobwebby cortina of whitish yellow to light greenish yellow fibers over much of cap and stipe when young" but this feature is "ephemeral and often absent at maturity."[3]
Typically found in oak woodlands, the fruiting triggers and edibility of the yellow-green calonarius remain undescribed.[3]
