Common Macrolichens of the PNW Home Species List Identification Key Characteristics Color Chart Project Page About
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Pseudocyphellaria hawaiiensis  >
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Pseudocyphellaria citrina

Overview
PNW Range:
  West sideOccasional
  East sideRare
  Immediate coastOccasional
  Alpine or subalpineNone
Habitat: Oceanic forests and woodlands west of the Cascade crest.
Substrate: Bark, wood, rarely on rock.
Comments:
Synonymy: Pseudocyphellaria crocata (in part)
Pseudocyphellaria citrina - Lower
Lower
by B. McCune
1/5
Pseudocyphellaria citrina - Lower
Lower
by B. McCune
2/5
Pseudocyphellaria citrina - Field habit
Field habit
by B. McCune
3/5
Pseudocyphellaria citrina - Soralia
Soralia
by B. McCune
4/5
Pseudocyphellaria citrina - Habit
Habit
by B. McCune
5/5
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): 13 (± 6)

Upper Surface
Upper Surface Color    (Dry) 
   Pale Gray: Sometimes
   Dark Gray: Sometimes
   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

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

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

Chemistry
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
Copyright © 2019-2024 by Bruce McCune & Sunia Yang     Source for Habitat and Substrate: Macrolichens of the Pacific Northwest    Other Rights: Attribution-NonCommercial 4.0 International