Toniniopsis mesoidea, Toninia mesoidea Ramalinaceae
Toniniopsis mesoidea (Toninia mesoidea)

Growth type crustose. BLS conservation evaluation: LC NS
Chemical results negative. Epithecium green, hypothecium dark red-brown

Scattered local distribution on +/- base-rich coastal rocks and serpentine but does not occur on limestone

The thallus is rimose-cracked or of scattered areoles (never squamulose), brown, olive-brown or greenish-grey, without pruina or white flecks. Apothecia black, flat becoming slightly convex, margin becoming excluded. Spores are 3-septate, 14.5-17 x 5.5-6 Ám. Micrograph below.

Similar: Toniniopsis aromatica, squamulose thallus with white flecks


Toninia mesoidea

Microscope photograph
Toninia mesoidea
Toniniopsis mesoidea (Toninia mesoidea)
On chert, Portland, Dorset. February 2016

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