Platismatia glauca - Common Macrolichens of the Pacific Northwest

< Pilophorus nigricaulis

Platismatia herrei >

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Platismatia glauca

Overview
PNW Range:
West side	Abundant
East side	Abundant
Immediate coast	Common
Alpine or subalpine	Common
Habitat:	Moist forests, low elevations to subalpine, rarely alpine, with broad tolerances to shade and moisture.
Substrate:	Bark and wood (especially conifers), less often on rock or alpine sod.
Comments:
Synonymy:	none

Platismatia glauca - Habit

Habit
by B. McCune

1/2

Platismatia glauca - Habit

Habit
by B. McCune

2/2

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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):	15 (± 6)

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Rarely
Whitish:	Sometimes
Pale Gray:	Almost always
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Never
Upper Surface with Network of Ridges:	Rarely
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
Black:	Almost always
Brown:	Almost always
Tan:	Almost always
Veined Below:	Never
Rhizinate Below:	Sometimes
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

Chemistry
Cortex K+ Yellow:	Almost always

Sexual Reproduction
Perithecia:	Never
Apothecia:	Rarely
Mazaedium:	Never
Disk Color (Dry)
Disk Brown or Tan:	Almost always

Asexual Reproduction
Isidia:	Commonly
Soredia:	Commonly
Lobules:	Commonly