Strigula jamesii Strigulaceae
Swinscowia jamesii (Strigula jamesii)

Growth type crustose. BLS conservation evaluation: LC NS
Chemical results negative

Local distribution on bark (especially Ulmus trunks) and on exposed roots in sheltered woods. Rare over mosses on mortar

The very thin whitish or grey thallus is mainly immersed with half sunken perithecia, the upper part rounded or flattened. Involucrellum present. Asci are 8-spored, the spores 3-septate, 13-16(-17.5) x 4-5.5 Ám, cells slightly constricted and unequal in size, second cell widest. Micrographs below.

Similar: Strigula taylorii, brownish thallus, spores 1-septate


Strigula jamesii

Strigula jamesii

Microscope photographs
Strigula jamesii

Strigula jamesii
Swinscowia jamesii (Strigula jamesii)
On Oak root. Badbury Rings and Kingston Lacy, Dorset. January 2017, February 2023

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