Observation 163250: Heterodermia Trevisan

When: 2014-03-15

Collection location: Serra de Montejunto, Portugal [Click for map]

Who: zaca

No specimen available


Proposed Names

87% (1)
Recognized by sight: Upper surface ivory white, or light colored at places; lobes small and palmately branched; lip-shaped soralia on recurved apices of lobes; black rhizines. The observation of the underside (not done) will permite to decide for H. obscurata or H. speciosa.

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= Observer’s choice
= Current consensus


Add Comment
Gorgeous photo
By: Jason Hollinger (jason)
2014-04-23 21:30:03 EDT (-0400)

It is tempting to speculate before you see the underside: I find that H. speciosa always has conspicuous cilia (easily visible from above) in addition to the white or black rhizines (usually hidden from view). Therefore I vote for H. obscurata if there are no other choices.