
Arthonia antillarum
(Fée) Nyl.

Study description
Thallus not reacting with KOH.
Hymenium with an amyloid reaction at its base, but not in the asci.
Asci bitunicate, clavate and apparently 4-spored.
Ascospores ellipsoidal to slightly fusiform, with one end somewhat more pointed, with 3 to 5 transverse septa and slight constriction at them.
Geographic references
Map generated from global occurrence data from GBIF. GBIF.
Study measurements
Values in Microns (µm)Macroscopic gallery

1 / 8Arthonia antillarum - 1 - IMG_2092
Microscopic gallery

1 / 18Arthonia antillarum - 11 - Himenio Melzer x 400
