Parmelia saxatilis - Common Macrolichens of the Pacific Northwest

< Parmelia pseudosulcata

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Parmelia saxatilis

Overview
PNW Range:
West side	Occasional
East side	Common
Immediate coast	Occasional
Alpine or subalpine	Common
Habitat:	The rock-dwelling form grows on both sunny and shaded rock outcrops; the bark-dwelling form lives in moist oceanic conifer forests, in partial to fairly deep shade.
Substrate:	Noncalcareous rock and soil or mosses over rock, frequently on bark west Cascades.
Comments:
Synonymy:	none

Parmelia saxatilis - Habit

Habit
by B. McCune

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Parmelia saxatilis - 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:	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):	2.5 (± 1)

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Rarely
Whitish:	Sometimes
Pale Gray:	Almost always
Brown:	Sometimes
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Never
Upper Surface with Network of Ridges:	Sometimes
Upper Surface with Pseudocyphellae:	Almost always
Upper Surface with Holes into Cavity:	Never
Cilia on Margins:	Never

Lower Surface (Foliose)
Lower Surface Color (Dry)
Black:	Almost always
Brown:	Rarely
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

Chemistry
Cortex K+ Yellow:	Almost always
Medulla P+ Orange or Red:	Almost always
Medulla P+ Yellow:	Rarely
Medulla K+ Orange or Red:	Almost always
Medulla K+ Yellow:	Rarely

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

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