Species description: Genus name referring to the fancied resemblance of the leafy plants to Thuja (arbor vitae or cedar). Species name derived from the fact that another species, differing from the widespread T. delicatulum (Hedw.) B.S.G., was recognizable.
Distinguishing characteristics: The pale yellowish-green, non-glossy, complicatedly branched, lacy plants are highly distinctive. Green paraphyllia on the stem are usually visible with a hand lens.
Habit: Yellow-green to dark green, loosely interwoven, much branched, somewhat arching plants not firmly attached to substratum.
Similar Species: T. philibertii is impossible to distinguish from T. recognitum with conviction on hand lens characters although the leaves on the main stem tend to have revolute margins (those of T. recognitum are not revolute) and the leaves tend to be compressed against the stem (those of T. recognitum have the tips wide spreading and recurved). From Hylocomium splendens, the shiny plants, red stems, and generally golden to brownish-green colour distinguish it from the yellow-green non-glossy plants of Thuidium. Abietinella abietina plants are oncepinnate; Thuidium always has the lateral branches bearing branch lets.
Habitat / Range
Forest floor and open slopes.
Circumpolar, but interruptedly, in the Northern Hemisphere; in North America from Greenland southward to Arkansas and Georgia in the east and from Alaska and Yukon southward to Oregon in the west.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2020-10-26 3:31:00 AM
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