User:CiIrKi

Primary: Lichen

Toxicity

- Very few lichens are poisonous, but those high in vulpinic acid or usnic acid are toxic. Most poisonous lichens are yellow

- Letharia vulpina (Letharia vulpina)

- Affect of poison?

- Strength of toxicity

- chemical affect (?) from the acids

(INCOMPLETE)

Secondary: Blue​ ​stain​ ​fungi​ ​and​ ​mountain​ ​pine​ ​beetles