Global InformationButyriboletus regius information
| Butyriboletus regius | |
|---|---|
| |
| Butyriboletus regius in Austria | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Boletaceae |
| Genus: | Butyriboletus |
| Species: | B. regius
|
| Binomial name | |
| Butyriboletus regius (Krombh.) D.Arora & J.L.Frank (2014)
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| Synonyms | |
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Butyriboletus Regius Mycological characteristics | |
|---|---|
 | Pores on hymenium |
 | Cap is convex |
 | Hymenium is adnexed |
 | Stipe is bare |
 | Spore print is olive-brown |
 | Ecology is mycorrhizal |
 | Edibility is choice |
Butyriboletus regius (formerly Boletus regius), commonly known as the royal bolete or red-capped butter bolete, is a basidiomycete fungus of the genus Butyriboletus found in China and Europe. B. regius has a pink cap, yellow flesh, and a reticulate pattern on the stem.[1] Harry D. Thiers described a similar mushroom from California as B. regius,[2] though it is not the same species. B. regius in Europe does not stain when exposed to air,[1] or stains weakly,[3] but the California species stains blue.[4] Both European and California species are considered choice edibles.[5]
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