Frutidella caesioatra #

Taxon #

Frutidella caesioatra

Organization #

Select Crustose Lichens, Ramalinaceae

Identification #

A conspicuous lichen with blueish black convex apothecia contrasting a cream, yellow, or light gray colored thallus. It might be mistaken for species such a Stereocaulon condensatum.

Substrate #

Terricolous, humus or mosses over rocks

Chemical Tests #

thallus: K- or K+ yellow, C-, KC+ orange, Pd- or Pd+ yellow, UV+ “bluish white”; medulla: KC+ orange (ITALIC)

Nimis P.L., 2025. ITALIC - The Information System on Italian Lichens. Version 8.0. University of Trieste, Dept. of Biology, (https://dryades.units.it/italic), accessed on 2025, 05, 04. for all. All data are released under a CC BY-SA 4.0 licence.