Common Macrolichens of the PNW
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Leptochidium albociliatum
Leptogium pseudofurfuraceum
>
Click on Characteristic name for explanation. Click on image for larger version.
Leptogidium contortum
Overview
PNW Range:
West side
Rare
East side
None
Immediate coast
Rare
Alpine or subalpine
None
Habitat:
Occasional but easily overlooked in humid low to mid elevation conifer forests, west Cascades.
Substrate:
On bark and wood.
Comments:
Synonymy:
Polychidium contortum
Habit
by B. McCune
1/3
Cortex
by B. McCune
2/3
Habit
by B. McCune
3/3
❮
❯
Scale: Bar=1mm unless noted
Growth Form
Fruticose
:
Almost always
Foliose
:
Never
Crustose
:
Never
Appressed Foliose
:
Never
Fluffy Foliose or Strappy
:
Never
Dangling Hair
:
Never
Erect Hair
:
Never
Appressed Hair
:
Almost always
Stalks With Squamules
:
Never
Stalks
:
Never
Squamules
:
Never
Single Holdfast
:
Never
Dangling Nets
:
Never
Upper Surface
Upper Surface Color
(Dry)
Dark Gray
:
Almost always
Black
:
Almost always
Olive Black
:
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
Interior
Inside (Medulla) Yellow or Orange
:
Never
Central Cord
:
Never
Hollow Stalks or Hollow Lobes
:
Never
Gelatinous
:
Almost always
Photobiont
Green Algae Primary Photobiont
:
Never
Cyanobacteria Primary Photobiont
:
Almost always
Internal Cephalodia
:
Never
External Cephalodia
:
Never
Sexual Reproduction
Perithecia
:
Never
Apothecia
:
Rarely
Mazaedium
:
Never
Disk Color
(Dry)
Disk Brown or Tan
:
Almost always
Asexual Reproduction
Isidia
:
Never
Soredia
:
Never
Lobules
:
Never