15 Mushrooms That Turn Blue When Cut or Bruised

1. Caloboletus calopus (poisonous)

Also known as the bitter beech bolete or scarlet-stemmed bolete, is an edible mushroom with pale yellow flesh that stains blue when broken or bruised.

2. Rubroboletus satanas (poisonous)

A large bolete whose flesh turns blue when cut or bruised and may emit an unpleasant smell when overripe.

3. Boletus subvelutipes (poisonous)

Also known as the red-mouth bolete, is a poisonous mushroom whose flesh instantly stains blue when cut but slowly fades to white.

4. Caloboletus radicans (inedible)

An inedible mushroom with a bitter taste and pale buff or grayish-white cap, yellow pores, and a stout stem that stains intensely blue when bruised or cut.

5. Rubroboletus rhodoxanthus (inedible)

A well-known bolete with a grayish cap, red pores, and a stem with a red net. The flesh is bright yellow in the stem and discolors blue when sliced.

6. Cyanoboletus pulverulentus (edible)

This mushroom has a yellow cap flesh that turns blue-black when cut and exposed to air.

7. Suillellus luridus (edible)

An edible mushroom that can be identified by its key features including yellow pores that turn orange to red and dark blue/black when bruised, an orange-red network pattern on the stem, flesh that turns immediately blue when cut but has a wine red color at the base of the stem, and often a wine red line between the cap flesh and the pores.

8. Suillellus queletii (edible)

Previously known as Boletus queletii and commonly called the deceiving bolete, is an uncommon edible mushroom with yellow flesh that turns blue when cut.

9. Neoboletus praestigiator (edible)

Also known as the Scarletina Bolete, is a great edible mushroom when well cooked. It has yellow to red pores that darken with age and bruise blue/black when damaged.

10. Neoboletus luridiformis (edible)

Also known as Neoboletus praestigator and previously as Boletus luridiformis and Boletus erythropus, is a chunky-stemmed mushroom that turns blue quickly when damaged.

11. Gyroporus cyanescens (edible)

An edible mushroom that turns an intense blue color within a few moments of bruising or cutting, despite its hard stem.

12. Suillus variegatus (edible)

Commonly called the velvet bolete or variegated bolete, has pale lemon flesh that may turn slightly blue when cut.

13. Psilocybe cyanescens (edible)

A potent psychedelic mushroom that bruises blueish or blue-green when damaged.

14. Xerocomellus cisalpinus (edible)

Commonly known as the Bluefoot Bolete mushroom, has yellow tubes that usually turn slowly blue-green when cut.

15. Suillus lakei (edible)

Also known as the matte Jack, Lake's bolete, or western painted Suillus, is an edible mushroom recognized by its reddish-brown, dry, fibrillose-scaly cap, pores that bruise brown, and a stem base that turns blue when cut.