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Douglas' Neckera Moss - Neckera douglasii
General Description
Plant: Large. Green to yellow-green. Stems 5-10 cm long. Branches often attenuate and stoloniferous. Paraphyllia absent.
Leaf: Complanate, undulate, ovate-lanceolate, 2.4-3.0 x 0.6-0.8 mm, asymmetrical, and narrowed at its base. Apex long-acuminate to a narrow point. Margins plane, serrate or serrulate from apex to mid-leaf, teeth sharp, and some are recurved at the apex. Costa absent or faint, short, and double.
Leaf Cells: Basal leaf cells shorter and broader than median/upper leaf cells, sometimes yellow, and pitted. Alar cells scarcely differentiated or a few cells are rectangular with weak pits. Median and apical upper leaf cells 45-60 x 5-7 µm, thick-walled, and with no or few pits.
Diagnostic Characteristics
N. douglasii is the single Neckera species to have recurved teeth at its tip (FNA 2007).
The similar Metaneckera menziesii has numerous paraphyllia whereas N. douglasii has none (Vitt 1988).
Range Comments
Canada: BC; USA: AK, CA, ID, OR, WA (FNA 2014). In Montana: Glacier, Lake, and Sanders Counties (Elliott 2016).
Observations in Montana Natural Heritage Program Database
Number of Observations: 11
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Habit: Epiphytic.
Habitat: Humus (Elliott 2016), tree trunks or branches; may also occur on rocks. In areas influenced by a Pacific maritime climate. Occurs from sea level to about 5900 feet.
Reproductive Characteristics
Dioicous. Seta is 4-5 mm tall, usually shorter than capsule. Capsule is emergent to exserted, brown, ovoid to oblong, 1.8-2.0 mm long. Calyptra is smooth.
Stewardship Responsibility
References
- 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. 2014. Flora of North America North of Mexico. Volume 28. Bryophytes: Mosses, Part 2. Oxford University Press, Inc., NY. xxi + 702 pp.- Vitt, D. J. Marsh, and R. Bovey. 1988. Mosses, Lichens & Ferns of Northwest North America. Seattle, WA: University of Washington Press. 296 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?- Elliot, J. C. 1993. Second checklist of Montana mosses. Unpublished report. U.S. Forest Service, Region 1. Missoula, MT. 45 pp.
- 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.
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