Cladonia umbricola - Common Macrolichens of the Pacific Northwest

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Cladonia umbricola

Overview
PNW Range:
West side	Occasional
East side	Occasional
Immediate coast	Occasional
Alpine or subalpine	Rare
Habitat:	Uncommon in low- to mid-elevation moist forests in canyons, streambottoms, and valleys
Substrate:	Bark or decaying wood.
Comments:
Synonymy:	none

Cladonia umbricola - Habit

Habit
by B. McCune

1/4

Cladonia umbricola - Apothecia

Apothecia
by B. McCune

2/4

Cladonia umbricola - Habit

Habit
by R. Droker

3/4

Cladonia umbricola - Habit

Habit
by B. McCune

4/4

❮ ❯

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:	Almost always
Stalks:	Almost always
Squamules:	Almost always
Single Holdfast:	Never
Dangling Nets:	Never

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Almost always
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)
Whitish:	Almost always
Pale Gray:	Sometimes
Veined Below:	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

Chemistry
Usnic Acid:	Sometimes
Cortex KC+ Yellow:	Sometimes
Medulla UV+ Blue White:	Almost always

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

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

Cladonia Specific
Cup forming:	Never
Richly Branched:	Never
Stalks With Melanotic Base:	Never
Branch Axils Or Cups Open:	Never