Lichens of Belgium, Luxembourg and northern France
|
|
Usnea ceratina Ach. |
Syn.: U. ceratina var. incurviscens (Arnold) H. Olivier
On old trees with a rather acid bark in well-lit situations.
Belgium: Brab.: RR (†<1900), Ard.: AR (especially in the southern parts), Lorr.: R.
Luxembourg: Distr. unknown: RR (†<1850).
France: Boul.: RR, Pic.: RRR.
Lit.: Boul.: 73, La66: 460-461, NL97: 57, Diederich (1986a: 122).