Phaeophyscia decolor - Common Macrolichens of the Pacific Northwest

< Peltigera venosa

Phaeophyscia orbicularis >

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Phaeophyscia decolor

Overview
PNW Range:
West side	Occasional
East side	Occasional
Immediate coast	Uncommon
Alpine or subalpine	Uncommon
Habitat:	In both forests and steppe, but usually in sheltered microsites.
Substrate:	Rock or mosses over rock, rarely on hard bark of tree bases.
Comments:
Synonymy:	none

Phaeophyscia decolor - Apothecia

Apothecia
by B. McCune

1/4

Phaeophyscia decolor - Habit

Habit
by B. McCune

2/4

Phaeophyscia decolor - Lower

Lower
by B. McCune

3/4

Phaeophyscia decolor - Habit

Habit
by B. McCune

4/4

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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:	Never
Dangling Nets:	Never
Lobe Width (mm):	0.4 (± 0.2)

Upper Surface
Upper Surface Color (Dry)
Pale Gray:	Almost always
Dark Gray:	Almost always
Brown:	Sometimes
Tan:	Rarely
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Never
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)
Black:	Almost always
Brown:	Commonly
Veined Below:	Never
Rhizinate Below:	Almost always
Rhizines Squarrose:	Never
Tomentose Below:	Never
Cyphellae:	Never
Pseudocyphellae Below:	Never
Papillae Below:	Never

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

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

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

Asexual Reproduction
Isidia:	Never
Soredia:	Never
Lobules:	Never