Xanthoparmelia mougeotii - Common Macrolichens of the Pacific Northwest

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Xanthoparmelia mougeotii

Overview
PNW Range:
West side	Uncommon
East side	Rare
Immediate coast	Uncommon
Alpine or subalpine	None
Habitat:	Suboceanic to oceanic open to partially shaded rocky habitats; also on asphalt pavement.
Substrate:	On rock
Comments:
Synonymy:	none

Xanthoparmelia mougeotii - Habit

Habit
by B. McCune

1/3

Xanthoparmelia mougeotii - Habit

Habit
by B. McCune

2/3

Xanthoparmelia mougeotii - Habit

Habit
by B. McCune

3/3

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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):	0.25 (± 0.12)

Upper Surface
Upper Surface Color (Dry)
Pale Yellow 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
Brown:	Almost always
Tan:	Almost always
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
Usnic Acid:	Almost always
Cortex KC+ 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:	Never
Soredia:	Almost always
Lobules:	Never