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Physconia enteroxantha

Overview
PNW Range:
  West sideCommon
  East sideCommon
  Immediate coastOccasional
  Alpine or subalpineUncommon
Habitat: In a wide variety of habitats at low elevations, but often in somewhat nutrient-enriched sites, especially in broad agricultural valleys; common on both sides of the Cascades.
Substrate: Bark or mosses over rock.
Comments:
Synonymy: none
Physconia enteroxantha - Medulla
Medulla
by B. McCune
1/11
Physconia enteroxantha - Habit
Habit
by B. McCune
2/11
Physconia enteroxantha - Habit
Habit
by B. McCune
3/11
Physconia enteroxantha - Habit
Habit
by B. McCune
4/11
Physconia enteroxantha - Lower
Lower
by B. McCune
5/11
Physconia enteroxantha - KC test
KC test
by B. McCune
6/11
Physconia enteroxantha - Soralia
Soralia
by B. McCune
7/11
Physconia enteroxantha - Soralia
Soralia
by B. McCune
8/11
Physconia enteroxantha - Soralia
Soralia
by B. McCune
9/11
Physconia enteroxantha - Soralia
Soralia
by B. McCune
10/11
Physconia enteroxantha - Habit
Habit
by B. McCune
11/11
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Almost always
Fluffy Foliose or Strappy: Never
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): 1.75 (± 0.6)

Upper Surface
Upper Surface Color    (Dry) 
   Whitish: Almost always
   Pale Gray: Almost always
   Brown: Almost always
   Tan: Almost always
Upper Surface Tomentose: Never
Upper Surface Pruinose or Scabrid: Almost always
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) 
   Black: Almost always
   Brown: Almost always
Veined Below: Never
Rhizinate Below: Almost always
   Rhizines Squarrose: Never
Tomentose Below: Never
Cyphellae: Never
Pseudocyphellae Below: Never
Papillae Below: Never

Interior
Inside (Medulla) Yellow or Orange: Sometimes
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: Never

Chemistry
Medulla K+ Yellow: Almost always
Medulla KC+ Yellow: Almost always
Medulla KC+ Orange, Red, or Pink: Rarely
Sexual Reproduction
Perithecia: Never
Apothecia: Rarely
   Mazaedium: Never
Disk Color    (Dry) 
   Disk Black: Almost always

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