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Dirinaria confusa D. D. Awasthi
Family: Caliciaceae
Dirinaria confusa image
Stephen Sharnoff  
Thallus: foliose, ±appressed, loosely appressed at the lobe tips, up to 8 cm in diam., pinnately or subpinnately lobate lobes: radiating, confluent, flat or convex, but usually concave towards the lobe tips, rarely convex throughout, 0.2-3 mm wide, confluent, distinctly flabellate towards the lobe tips upper surface: gray, bluish gray, almost white or stramineous, slightly pruinose or without a pruina, without soralia, isidia or polysidiangia pseudocyphellae: distinct, laminal and marginal, usually restricted to the peripheral parts of the lobes, sometimes reticulately confluent medulla: white throughout or the lowest part orange lower surface: black in center, paler towards lobe tips, erhizinate Apothecia: often present, laminal on thallus, 0.5-1.5 mm wide disc: black, slightly grayish pruinose, sometimes without a pruina ascospores: brown, 1-septate, narrowly ellipsoid, 12-19 x 5-7 µm Pycnidia: immersed in warts conidia: bacilliform, 3-4 x 1 µm Spot tests: upper cortex K+ yellow, C-, KC-, P+ yellow; medulla upper and lower part K-, C-, KC-, P- Secondary metabolites: upper cortex with atranorin, medulla with sekikaic acid (major), ramalinolic acid (minor) and few terpenes in low concentration. Substrate and ecology: on bark and wood, near the sea World distribution: tropical and subtropical regions of North, Central and South America with scattered collections from Asia Sonoran distribution: especially in thorn forests and deciduous forests of Baja California Sur and Sinaloa.
Dirinaria confusa image
Troy McMullin  
Dirinaria confusa image
Stephen Sharnoff  
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image
Dirinaria confusa image