Kebnat
MUSHROOMS

Concentric boulder lichen

Porpidia crustulata

Mushrooms
NativeCrust-like
Concentric boulder lichen, photo 1 of 5
Concentric boulder lichen, photo 2 of 5
Concentric boulder lichen, photo 3 of 5

Assisted identification only. Never eat anything without an expert’s confirmation.

Lichen crust-forming. Grows in forests.

There are 29 observations of Concentric boulder lichen in Québec, mostly in Gaspésie–Îles-de-la-Madeleine, Chaudière-Appalaches and Outaouais, and it has been reported in 11 of the 17 regions. They peak in August and become rare from November to March.

Through the year

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Where to see it

  1. Gaspésie–Îles-de-la-Madeleine6
  2. Chaudière-Appalaches6
  3. Outaouais5
  4. Bas-Saint-Laurent3
  5. Nord-du-Québec2
  6. Montérégie2
  7. Lanaudière1
  8. Laurentides1
  9. Saguenay–Lac-Saint-Jean1
  10. Mauricie1
  11. Abitibi-Témiscamingue1

Habitat

ForestMario Hains

Similar species

Smokey-eyed Boulder LichenPorpidia albocaerulescens
Common Button LichenBuellia erubescens
Tile LichenLecidea tessellata
Golden Moonglow LichenDimelaena oreina
Rehmia reductaRehmia reducta
Speckled Blister LichenViridothelium virens
Orange Boulder LichenPorpidia flavicunda
Big-disk pebble lichenPorpidia macrocarpa
Lecidella lichenLecidella elaeochroma
Rock Disk LichenLecidella stigmatea