Irish lichens

Physcia tenella
Order: Lecanorales       Family: Physciaceae

Species: Physcia tenella

Growth type foliose.
Photos: On ornamental Sorbus trunk. Macroom, Cork, SW Ireland.

Small thallus with +/- erect, long, whitish-grey lobes covered with small pseudocyphellae, margins with long, whitish cilia. Lobe ends split revealing lip-shaped, cream coloured soralia. Dark apothecia. The lichenicolous fungi Syzygospora physciacearum and Laetisaria lichenicola can be found on Physcia species.

A pioneer species usually occuring on nutrient-rich branches and twigs, occasional on rock. Thallus: K+ yellow. Medulla: K-

Similar: Physcia adscendens and Physcia leptalea


Physcia tenella

Physcia tenella

Physcia tenella

Physcia tenella
Physcia tenella.

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