Incline Thread Moss - Distichium inclinatum
Incline Distichium Moss
Plants: Acrocarpous. Slender, in closely-packed tufts, covered with woolly rhizoids from base to middle of stem. Stems usually under 3 cm (FNA 2007).
Leaves: Distichous (leaves occur in two rows on opposite sides of stem), the base upright, sheathing the stem, narrowly-ovate to oblong, a long narrow subula spreading from the base, the subula rough on the outer surface; margins flat or weakly incurved (upward and inward), developing fine teeth, particularly near the apex of the subula; costa excurrent (extending beyond leaf apex), 1/4 to 1/3 as wide as the leaf base, composing most of the subula (FNA 2007).
Leaf Cells: Basal laminal cells linear to rectangular, sometimes wavy or bent; distal laminal cells rectangular, shortening in the subula and becoming quadrate (FNA 2007).
Capsules ripen summer-fall (FNA 2007).
Distichium inclinatum and D. capillaceum are similar in appearance. However, D. capillaceum has longer stems and its leaves are set further apart. It also has erect, cylindric capsules rather than the inclined ovoid capsules found in D. inclinatum (FNA 2007).
Greenland; Canada: AB, BC, MB, NB, NL, NT, NU, ON, QC, YT; USA: AK, CA, CO, MI, MN, MT, NV, NY, ND, UT, WI, WY; Mexico; Europe; Eurasia; e, c, n Asia; Arctic (FNA 2007). In Montana, known from Flathead, Glacier, Lewis and Clark, Lincoln, Mineral, Park, and Ravalli Counties (Elliott 2016).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Soil and soil over rock (Elliott 2016), calciphilic, sandy soils; low to high elevations (FNA 2007).
Autoicous (FNA 2007). Straight or a little contorted, usually under 3 cm, red or red with brownish tones to ochre. Capsule inclined, exserted, brown, 1-1.5 mm, a little creased when dry (FNA 2007).
- Literature Cited AboveLegend: View Online Publication
- Elliott, J.C. and A.K. Pipp. 2018. A Checklist of Montana Mosses (1880-2018). Updated 3 January, 2020. Montana Natural Heritage Program, Helena, Montana. 73 pp.
- Flora of North America Editorial Committee, eds. 2007. Flora of North America North of Mexico. Volume 27. Bryophytes: Mosses, Part 1. Oxford University Press, Inc., NY. xxi + 713 pp.
- Additional ReferencesLegend: View Online Publication
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- Lawton, E. 1971. Keys for the Identification of the Mosses on the Pacific Northwest. Reprinted from 'Moss Flora of the Pacific Northwest'. Published as Supplement No. 2 of the Journal of the Hattori Botanical Laboratory. Nichinan, Miyazaki, Japan. 66 pp.
- Lawton, E. 1971. Moss Flora of the Pacific Northwest. Hattori Botanical Laboratory. Japan: Yamabuki-cho, Shinjuku-ku, Tokyo. 362 pages plus appendices.