Sphaerophorus venerabilis - Common Macrolichens of the Pacific Northwest

< Sphaerophorus tuckermanii

Stereocaulon alpinum >

Click on Characteristic name for explanation. Click on image for larger version.

Sphaerophorus venerabilis

Overview
PNW Range:
West side	Common
East side	Rare
Immediate coast	Common
Alpine or subalpine	None
Habitat:	Moist forests at low to mid elevations.
Substrate:	Bark and wood.
Comments:
Synonymy:	Sphaerophorus globosus( in OR and WA)

Sphaerophorus venerabilis - Habit

Habit
by B. McCune

1/3

Sphaerophorus venerabilis - Branches, main

Branches, main
by B. McCune

2/3

Sphaerophorus venerabilis - Field habit

Field habit
by B. McCune

3/3

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Scale: Bar=1mm unless noted

Growth Form
Fruticose:	Almost always
Foliose:	Never
Crustose:	Never
Appressed Foliose:	Never
Fluffy Foliose or Strappy:	Never
Dangling Hair:	Never
Erect Hair:	Never
Appressed Hair:	Never
Stalks With Squamules:	Never
Stalks:	Almost always
Squamules:	Never
Single Holdfast:	Almost always
Dangling Nets:	Never

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Rarely
Whitish:	Almost always
Pale Gray:	Almost always
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Never
Upper Surface with Network of Ridges:	Sometimes
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:	Never
Gelatinous:	Never

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

Chemistry
Cortex K+ Yellow:	Almost always
Medulla P+ Orange or Red:	Sometimes
Medulla P+ Yellow:	Sometimes
Medulla UV+ Blue White:	Sometimes

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

Asexual Reproduction
Isidia:	Never
Soredia:	Never
Lobules:	Never