Hypogymnia austerodes - Common Macrolichens of the Pacific Northwest

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Hypogymnia austerodes

Overview
PNW Range:
West side	Rare
East side	Occasional
Immediate coast	None
Alpine or subalpine	Rare
Habitat:	Most common in subalpine forests, but found from low elevation cool riparian east Cascades to alpine.
Substrate:	Most often on bark and wood, occasionally on rock.
Comments:
Synonymy:	none

Soredia
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Lobes
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Lobe cavity
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Lobes
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Ascospores
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Soredia
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Soredia
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Lobes
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Habit
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Apothecia
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Spermatia
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Soredia
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Habit
by B. McCune

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Scale: Bar=1mm unless noted

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Rarely
Whitish:	Sometimes
Pale Gray:	Almost always
Brown:	Almost always
Tan:	Sometimes
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

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

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