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Polychidium muscicola

Overview
PNW Range:
  West sideOccasional
  East sideCommon
  Immediate coastUncommon
  Alpine or subalpineOccasional
Habitat: Moist rocky sites, usually in outcrop areas or talus slopes; low to high elevations.
Substrate: Moss or soil over rock, rarely on mossy bark of tree bases and roots.
Comments:
Synonymy: none
Polychidium muscicola - Apothecia
Apothecia
by B. McCune
1/4
Polychidium muscicola - habit
habit
by B. McCune
2/4
Polychidium muscicola - Spores
Spores
by B. McCune
3/4
Polychidium muscicola - Cortex
Cortex
by B. McCune
4/4
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: Almost always
Appressed Hair: Rarely
Stalks With Squamules: Never
Stalks: Never
Squamules: Never
Single Holdfast: Never
Dangling Nets: Never

Upper Surface
Upper Surface Color    (Dry) 
   Black: Almost always
   Brown: 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

Interior
Inside (Medulla) Yellow or Orange: Never
Central Cord: Never
Hollow Stalks or Hollow Lobes: Never
Gelatinous: Sometimes

Photobiont
Green Algae Primary Photobiont: Never
Cyanobacteria Primary Photobiont: Almost always
Internal Cephalodia: Never
External Cephalodia: Never

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

Asexual Reproduction
Isidia: Never
Soredia: Never
Lobules: Never