Petractis hypoleuca Incertae sedis
Gyalecta hypoleuca (Petractis hypoleuca)

Growth type crustose
Chemical results negative. Photobiont Trentepohlia

BLS conservation evaluation: VU D2 NR

Spores mostly 5-9 septate without a perispore, 20-38 x 4.5-7 Ám. Microscope photographs below.

Similar: Petractis nodispora, spores 3-septate, multicellular conidia


Petractis hypoleuca

Petractis hypoleuca

Petractis hypoleuca

Petractis hypoleuca, Gyalecta hypoleuca

Microscope photographs
Petractis hypoleuca, Gyalecta hypoleuca

Petractis hypoleuca, Gyalecta hypoleuca
Gyalecta hypoleuca (Petractis hypoleuca)
On limestone, Portland, Dorset. February and March 2016

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