Bay bolete
Imleria badia
In Spanish: Boleto bayo, Larro · In Catalan: Sigró bai, Cigró bai, Covall bai · In Basque: Onddo arre, Onddo uhar · In Galician: Andoa baia, Andoa escura

Photo: Jean-Pol GRANDMONT / Wikimedia Commons · CC BY 3.0

Photo: T.Voekler / Wikimedia Commons · CC BY-SA 3.0

Photo: Achim Lammerts (Syntaxys) / Wikimedia Commons · CC BY-SA 4.0

Photo: Achim Lammerts (Syntaxys) / Wikimedia Commons · CC BY-SA 4.0

Photo: Cactusleroydlapatee / Wikimedia Commons · CC BY-SA 3.0

Photo: Cactusleroydlapatee / Wikimedia Commons · CC BY-SA 3.0
A dark chestnut cap, matt, tacky in damp weather; the tubes are yellowish and — the decisive mark — blue distinctly when pressed. Yellowish-white flesh with a pleasant taste. A good stand-in for the penny bun, and it dries very well.
Quick facts
- Scientific name
- Imleria badia (Fr.) Vizzini (2014)
- Family
- Boletaceae
- Edibility
- Edible
- Season
- Sep–Dec
- Usual altitude
- 119–1,422 m
- Under which trees
- Pine, Beech, Oak, Eucalyptus
- IUCN Red List
- Least concern (LC)
Where it grows
Conifer and mixed woodland, often on acid needle litter and moss, sometimes straight off a mossy stump. Pine, fir, beech; the north of the peninsula and upland Monterey pine plantations.
When it has been found
Finds recorded in Spain, by month: 449 in all, from GBIF. They show when it fruits, and also when people go looking.
Where it has been found
Each square is an area of about 20 km with recorded finds; the darker, the more finds. It does not pinpoint patches: for where it is coming up now, see the forecast map.
Where it comes up
Areas where this species is scoring highest right now.
- Berguedà ComarcasExcellent · peak excellent
- Ripollés ComarcasExcellent · peak excellent
- Lluçanès ComarcasGood · peak excellent
- Pirineo ComarcasGood · peak excellent
- Osona ComarcasGood · peak excellent
- Garrotxa ComarcasModerate · peak excellent
- Comarca de Sangüesa ComarcasModerate · peak excellent
- Larraun-Leitzaldea ComarcasModerate · peak excellent
In guides and news
- Weekend 17–18 October: good-condition area up for all five leading species
State of the forest
Sources
The usual altitude and the trees come from our own fit of the model to those finds and to the Spanish Forest Map (Mapa Forestal de España).
Would you know them from a photograph? →
The description is for reference. Identifying a mushroom from a photograph is unreliable: do not eat anything you are not sure of.





