Slideshow image
Dermatocarpon reticulatum H. Magn.
Family: Verrucariaceae
Dermatocarpon reticulatum image
Stephen Sharnoff  
Thallus: foliose, single lobed attached by a single umbilicus and with 14-60 mm wide lobes upper surface: gray, with epinecral layer consisting of air filled hyphae upper cortex: 130-240 µm thick with the outermost 10-20 µm brown medulla: 180-350 µm thick lower cortex: 90-110 µm thick with the outermost 15-40 µm brown, the lower cortex cells are angular and in distinct vertical columns, uneven lower surface were 2-4 cell rows thick outgrowths cause the farinose lower surface of the species lower surface: brown, farinose and often reticulate, occasionally with rhizinomorphs Perithecia: obpyriform to almost globose, 200-530 x 170-440 µm, primarily with a hyaline exciple that is light brown to brown in the uppermost part, rarely hyaline throughout asci: clavate or cylindrical, 8spored ascospores: simple, hyaline, 12-17 x 5-9 µm Pycnidia: not found in Sonoran material, elsewhere immersed, ostiolum similar to that of the perithecium conidia: bacilliform, 4-6 x 1 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on different rock-types, often on boulders and occasionally in seepages World distribution: western North America Sonoran distribution: throughout Arizona and southern California. Notes: Dermatocarpon reticulatum is unique in the genus in having farinose lower surface which often also is reticulate.
Dermatocarpon reticulatum image
Stephen Sharnoff  
Dermatocarpon reticulatum image
Stephen Sharnoff  
Dermatocarpon reticulatum image
Stephen Sharnoff  
Dermatocarpon reticulatum image
Joselyn Fenstermacher  
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image
Dermatocarpon reticulatum image