Roadless Areas
Home/Species/ a liverwort

Douinia ovata

(Dicks.) Buch

a liverwort

G5Secure Found in 1 roadless area NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.125750
Element CodeNBHEP16010
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryNonvascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumHepatophyta
ClassJungermanniopsida
OrderJungermanniales
FamilyScapaniaceae
GenusDouinia
Concept Reference
Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.
Conservation Status
Rank MethodExpertise without calculation
Review Date2017-07-11
Change Date2017-07-11
Edition Date2001-09-10
Edition AuthorsKaranosky, M., John Christy (2001)
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences81 to >300
Rank Reasons
Reported for U.S., Canada, and/or Greenland by Stotler and Crandall-Stotler (ABLS checklist, Bryologist 80: 405-428, 1977). Global range broad, with more than 100 occurrences known. Estimated more than 10,000 individuals, more than 50,000 acres globally. Distribution is widespread. Many protected occcurrences. Not very threatened. Known from western Europe, from northern Portugal and northern Spain, north to Norway, southern Sweden and southern Finland, Faroes, Japan, and western North America.
Range Extent Comments
Europe, Japan, North America. Widespread in Pacific Northwest, but less common in southern Oregon and California.
Occurrences Comments
More than 100 occurrences known globally. Known occurrences in northern spotted owl region: 46 [FSEIS vol. 2: 99]; 55 [FSEIS 2000 vol. 2: 218].
Threat Impact Comments
Not very threatened worldwide. Possible threats are logging, road construction, quarries, and air pollution.
Ecology & Habitat

Habitat

Tree trunks, large branches, and exposed rocks on fog-drenched ridges. The abundance of this species in the canopy of old-growth forest trees seems to increase with a stand age greater than 300 years.
Other Nations (2)
United StatesNNR
ProvinceRankNative
OregonS3Yes
CanadaN5
ProvinceRankNative
British ColumbiaS5Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (1)
Alaska (1)
AreaForestAcres
North KruzofTongass National Forest33,146
References (4)
  1. Christy, J.A. and D.H. Wagner. 1996. Guide for the identification of rare, threatened or sensitive bryophytes in the range of the northern spotted owl, western Washington, western Oregon, and northwestern California. USDI Bureau of Land Management. 200 pp.
  2. Smith, A.R. 1990. New Thelypteris (Thelypteridaceae) from central America. Ann. Missouri Bot. Gard. 77:118-124.
  3. Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.
  4. Stotler, R.E. and B. Crandall-Stotler. 2017. A synopsis of the liverwort flora of North America north of Mexico. Ann. Missouri Bot. Gard. 102: 574-709.