Lobaria scrobiculata - Common Macrolichens of the Pacific Northwest

< Lobaria pulmonaria

Melanelia hepatizon >

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Lobaria scrobiculata

Overview
PNW Range:
West side	Occasional
East side	Rare
Immediate coast	Occasional
Alpine or subalpine	None
Habitat:	Most frequent in low-elevation hardwood forests, swamps, and savannas west Cascades; also in low- to mid-elevation old-growth conifer forests; east Cascades restricted to sheltered mossy outcrop areas, often near lakes or streams.
Substrate:	Tree, shrubs, and mossy rocks, rarely on the ground.
Comments:
Synonymy:	none

Lobaria scrobiculata - Habit

Habit
by R. Droker

1/4

Lobaria scrobiculata - Upper surface

Upper surface
by B. McCune

2/4

Lobaria scrobiculata - Lower

Lower
by B. McCune

3/4

Lobaria scrobiculata - Upper surface

Upper surface
by B. McCune

4/4

❮ ❯

Scale: Bar=1mm unless noted

Growth Form
Fruticose:	Never
Foliose:	Almost always
Crustose:	Never
Appressed Foliose:	Almost always
Fluffy Foliose or Strappy:	Rarely
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):	30 (± 10)

Upper Surface
Upper Surface Color (Dry)
Pale Gray:	Almost always
Dark Gray:	Almost always
Tan:	Rarely
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Almost always
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
Tan:	Almost always
Veined Below:	Never
Rhizinate Below:	Sometimes
Rhizines Squarrose:	Never
Tomentose Below:	Almost always
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:	Never
Cyanobacteria Primary Photobiont:	Almost always
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:	Sometimes
Medulla K+ Yellow:	Almost always

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