Leptorhaphis epidermidis Naetrocymbaceae
Leptorhaphis epidermidis

Growth type crustose
Chemical results negative

Only found on Birch but can be locally abundant

Thallus usually absent but patches of Trentepohia occasionally occur round ascomata. Oval perithecia (0.3-0.5mm), the dark brown involucrellum appearing as a dark basal fringe. Asci 8-spored, spores curved with pointed apices, 1-septate, 25-35 x 2-3.5 Ám. Microscope photograph below.

When on Birch Arthopyrenia analepta can look similar but the spores are different. Leptorhaphis atomaria occurs on Aspen, Populus tremula


Leptorhaphis epidermidis


Leptorhaphis epidermidis

Microscope photograph
Leptorhaphis epidermidis
Leptorhaphis epidermidis
On Birch. Holton Lee, Dorset. October 2012

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