Common Macrolichens of the PNW
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Peltigera rufescens
Phaeophyscia decolor
>
Click on Characteristic name for explanation. Click on image for larger version.
Peltigera venosa
Overview
PNW Range:
West side
Occasional
East side
Common
Immediate coast
Occasional
Alpine or subalpine
Occasional
Habitat:
On moist soil, often where recently disturbed but somewhat shaded, especially roadcuts, streambanks, and trailsides.
Substrate:
Soil.
Comments:
Synonymy:
none
Habit
Growth Form
Fruticose
:
Never
Foliose
:
Almost always
Crustose
:
Never
Appressed Foliose
:
Commonly
Fluffy Foliose or Strappy
:
Sometimes
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):
12 (± 6)
Upper Surface
Upper Surface Color
(Dry)
Pale Gray Green
:
Almost always
Pale Green
:
Almost always
Dark Green
:
Almost always
Olive Brown
:
Commonly
Olive Green
:
Almost always
Brown
:
Sometimes
Tan
:
Sometimes
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
:
Commonly
Pale Gray
:
Sometimes
Dark Gray
:
Almost always
Black
:
Sometimes
Brown
:
Commonly
Tan
:
Commonly
Veined Below
:
Almost always
Rhizinate Below
:
Almost always
Rhizines Squarrose
:
Never
Tomentose Below
:
Sometimes
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
:
Almost always
Sexual Reproduction
Perithecia
:
Never
Apothecia
:
Commonly
Mazaedium
:
Never
Disk Color
(Dry)
Disk Black
:
Almost always
Disk Brown or Tan
:
Almost always
Asexual Reproduction
Isidia
:
Never
Soredia
:
Never
Lobules
:
Never
