<  Platismatia herrei
Platismatia norvegica  >
Click on Characteristic name for explanation. Click on image for larger version.
Platismatia lacunosa

Overview
PNW Range:
  West sideUncommon
  East sideNone
  Immediate coastOccasional
  Alpine or subalpineNone
Habitat: Uncommon in moist riparian forests in the Coast Range and Cascades, where it often occurs on upper branches of Alnus rubra, often associated with Menegazzia terebrata and Hypotrachyna sinuosa. Also present in moist, cool upland sites.
Substrate: On bark and wood (mainly on hardwoods, especially Alnus), rarely on mossy rocks.
Comments:
Synonymy: none
Platismatia lacunosa - Habit
Habit
by R. Droker
1/6
Platismatia lacunosa - Habit
Habit
by B. McCune
2/6
Platismatia lacunosa - Lobes
Lobes
by B. McCune
3/6
Platismatia lacunosa - Lobes
Lobes
by B. McCune
4/6
Platismatia lacunosa - Lower
Lower
by B. McCune
5/6
Platismatia lacunosa - Apothecia
Apothecia
by B. McCune
6/6
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Sometimes
Fluffy Foliose or Strappy: Commonly
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): 7.5 (± 2.5)

Upper Surface
Upper Surface Color    (Dry) 
   Pale Gray Green: Almost always
   Pale Green: Rarely
   Whitish: Sometimes
   Pale Gray: Almost always
Upper Surface Tomentose: Never
Upper Surface Pruinose or Scabrid: Never
Upper Surface with Network of Ridges: Almost always
Upper Surface with Pseudocyphellae: Sometimes
   Upper Surface with Holes into Cavity: Never
Cilia on Margins: Never
Lower Surface (Foliose)
Lower Surface Color    (Dry) 
   Whitish: Almost always
   Black: Almost always
   Brown: Almost always
   Tan: Almost always
Veined Below: Never
Rhizinate Below: Sometimes
   Rhizines Squarrose: Never
Tomentose Below: Never
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: Never

Chemistry
Cortex K+ Yellow: Almost always
Medulla P+ Orange or Red: Almost always
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