Butyriboletus regius
| 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 | |
| Synonyms | |
| |
| Butyriboletus regius | |
|---|---|
| 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 species of fungus in the genus Butyriboletus. It has a pink cap, yellow flesh, and a reticulate pattern on the stem.
The mushroom is found in North America, Europe, and China. North America specimens stain blue when exposed to air, but European specimens do not, or only stain weakly. Both are edible and considered choice.