Lecanora alboflavida forme terricole maritime.

     This rare and very localized form is characterized by its occurrence on the ground in heathland at the top of sea cliffs highly exposed to seawater splashes. The thallus is very thick, yellowish-white, more or less covered with sea urchin-like soredia. C+ orange, KC+ bright orange, K+ yellow, P-, UV+ orange, K/UV+ yellow turning pale blue when drying (difficult to highlight and photograph with an ordinary camera and a weak UV lamp.

_ Not to be confused and should be separated by its C+ orange and KC+ bright orange reactions from two similar-looking species that may share its habitat:

_ Trapeliopsis granulosa, whose thallus is greenish-gray rather than yellowish-white, and even more so Trapeliopsis pseudogranulosa, whose thallus is mottled orange.

_ Lepra amara forme détriticole bitter in flavor whose soredia are whitish and KC+ fleeting purple.