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Teloschistes flavicans  >
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Sticta rhizinata

PNW Range:
  West sideUncommon
  East sideNone
  Immediate coastRare
  Alpine or subalpineNone
Habitat: Cool, moist, old-growth conifer forests at middle elevations; uncommon; rarer and more old-growth associated than our other Sticta species.
Substrate: On bark, wood, and moss mats on trees and shrubs, frequently on conifers; rarely on mossy rock.
Comments: Previously included in S. weigelii and S. beauvoisii, which occur elsewhere than the PNW.
Synonymy: Sticta weigelii
Sticta rhizinata - Isidia
by B. McCune
Sticta rhizinata - Upper
by B. McCune
Sticta rhizinata - Lower
by B. McCune
Sticta rhizinata - Isidia
by B. McCune
Sticta rhizinata - Cyphellae
by B. McCune
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Sometimes
Fluffy Foliose or Strappy: Sometimes
Dangling Hair: Never
Erect Hair: Never
Appressed Hair: Never
Stalks With Squamules: Never
Stalks: Never
Squamules: Never
Single Holdfast: Sometimes
Dangling Nets: Never
Lobe Width (mm): 8 (± 4)

Upper Surface
Upper Surface Color    (Dry) 
   Pale Gray: Commonly
   Dark Gray: Commonly
   Olive Brown: Rarely
   Olive Green: Rarely
   Brown: Almost always
   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: Rarely
   Brown: Almost always
   Tan: Almost always
Veined Below: Never
Rhizinate Below: Never
Tomentose Below: Almost always
Cyphellae: Almost always
Pseudocyphellae Below: Never
Papillae Below: Never

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

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

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

Asexual Reproduction
Isidia: Almost always
Soredia: Never
Lobules: Rarely