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Dermatocarpon reticulatum

PNW Range:
  West sideCommon
  East sideCommon
  Immediate coastRare
  Alpine or subalpineCommon
Habitat: On rock faces in rather dry habitats and rocky streamside areas where occasionally flooded.
Substrate: On noncalcareous rock.
Synonymy: none
Dermatocarpon reticulatum - Habit
by B. McCune
Dermatocarpon reticulatum - Upper surface
Upper surface
by B. McCune
Dermatocarpon reticulatum - Lower
by B. McCune
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Almost always
Fluffy Foliose or Strappy: Never
Dangling Hair: Never
Erect Hair: Never
Appressed Hair: Never
Stalks With Squamules: Never
Stalks: Never
Squamules: Never
Single Holdfast: Almost always
Dangling Nets: Never
Lobe Width (mm): 10 (± 4)

Upper Surface
Upper Surface Color    (Dry) 
   Pale Gray: Almost always
   Dark Gray: Almost always
Upper Surface Tomentose: Never
Upper Surface Pruinose or Scabrid: Commonly
Upper Surface with Network of Ridges: Never
Upper Surface with Pseudocyphellae: Never
   Upper Surface with Holes into Cavity: Never
Cilia on Margins: Never
Lower Surface (Foliose)
Lower Surface Color    (Dry) 
   Pale Gray: Almost always
   Black: Almost always
   Brown: Almost always
   Tan: Sometimes
Veined Below: Sometimes
Rhizinate Below: Never
Tomentose Below: Never
Cyphellae: Never
Pseudocyphellae Below: Never
Papillae Below: Almost always

Inside (Medulla) Yellow or Orange: Never
Central Cord: Never
Hollow Stalks or Hollow Lobes: Never
Gelatinous: Never

Green Algae Primary Photobiont: Almost always
Cyanobacteria Primary Photobiont: Never
Internal Cephalodia: Never
External Cephalodia: Never

Sexual Reproduction
Perithecia: Almost always
Apothecia: Never
   Mazaedium: Never
Disk Color    (Dry) 

Asexual Reproduction
Isidia: Never
Soredia: Never
Lobules: Never