HABIT: Small, perennial, delicate, somewhat
flattened, moderately shiny plant with stems to 2 cm. long, asexual brood bodies
commonly present on the back of leaf tips; sporophytes 0.6-1.0 cm. long,
capsules erect, straight, smooth.
SPECIES: Superficially similar to small
Isopterygium and differing from species in this genus on the basis of microscopic
RANGE: Very rare (or rarely collected),
this species has been reported from Nfld., N.B., N.S., s.e. Ont., s.w. Que.,
B.C., CT, Mass., NY, NJ, MI, WI, and OH; also British Isles, Europe, Japan.
RANGE: A pre-1960 collection has been
reported from Jackson County (Geisey, 1957).
There are post-1960 specimens from Champaign and Hocking counties.
STATUS: 1990-1991: Added, 1992 to
HABITAT: Northern hardwood lowland swamps and other
marshy habitats where it occurs on rotten logs, stumps, and humus, and on the
bases and in wet knotholes of trees.
HAZARDS: Drying of habitat, removal of shade.
GUIDELINES: Collect only minute
COMMENTS: This little-known species may easily be
overlooked. It should be searched for
in hardwood swamp and fen habitats in the northern portion of the state.
and L.E. Anderson. 1981. Mosses of Eastern North America. Two vols. Columbia University Press.
R.R. 1969. A taxonomic revision of the genus Plagiothecium for North
America, north of Mexico. Natl. Mus.
Canad. Publ. Bot. 1: 1-118.
R.R. 1984. The Genus Plagiothecium in North America. Evansia 1: 4-9.
Division of Natural Areas and Preserves
Ohio Department of Natural Resources
Created: 3/1990 Jerry A. Snider