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Pseudocyphellaria hawaiiensis

PNW Range:
  West sideUncommon
  East sideNone
  Immediate coastUncommon
  Alpine or subalpineNone
Habitat: Oceanic forests and woodlands west of the Cascade crest, mainly within a few km of the coast.
Substrate: Bark and wood.
Synonymy: Pseudocyphellaria perpetua
Pseudocyphellaria hawaiiensis - Habit
by B. McCune
Pseudocyphellaria hawaiiensis - Lower
by B. McCune
Pseudocyphellaria hawaiiensis - Habit
by B. McCune
Pseudocyphellaria hawaiiensis - Lobes
by B. McCune
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Sometimes
Fluffy Foliose or Strappy: Commonly
Dangling Hair: Never
Erect Hair: Never
Appressed Hair: Never
Stalks With Squamules: Never
Stalks: Never
Squamules: Never
Single Holdfast: Never
Dangling Nets: Never
Lobe Width (mm): 6 (± 2)

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

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

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

Medulla P+ Orange or Red: Almost always
Medulla K+ Yellow: Almost always
Medulla C+ Orange, Red, or Pink: Commonly
Medulla KC+ Orange, Red, or Pink: Commonly
Sexual Reproduction
Perithecia: Never
Apothecia: Rarely
   Mazaedium: Never
Disk Color    (Dry) 
   Disk Brown or Tan: Almost always

Asexual Reproduction
Isidia: Never
Soredia: Almost always
Lobules: Never