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Montana Field Guides

An Amblyodon Moss - Amblyodon dealbatus

Potential Species of Concern

Global Rank: G3G5
State Rank: SH
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:

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State Rank Reason (see State Rank above)
Known from 1 collection from Flathead County in 1895.
 
General Description
Plants: Acrocarpous, the tufts not crowded, 10(-25) mm (FNA 2014), light green, the stems erect and frequently branched (Lawton 1971).

Leaves: Crowded near top of stem, upright-spreading when wet, somewhat erect to slightly contorted when dry, 2-4 mm, ovate-lanceolate; apex abruptly acute to acuminate; margins plane, smooth or nearly so (FNA 2014) with upper leaves sometimes toothed towards apex (Lawton 1971); costa broad, not approaching apex closely (FNA 2014).

Leaf Cells: Laminal cells translucent, lax, oblong and rhombic to 6-sided, with thin walls and a smooth surface; distal cells similar in size to basal cells (FNA 2014).

Diagnostic Characteristics
Amblyodon dealbatus differs from Meesia species by its thin-walled and lax (swollen when wet, crumpling while drying out) laminal cells (FNA 2014).

Species Range
Unknown/Undetermined
 


Range Comments
Canada: AB, BC, MB, NL, NT, NU, ON, QC, YT; USA: AK, CO, MI, MN, MT, WI, WY; Europe; Asia (FNA 2014). In Montana: Flathead County (Elliott 2016).

Summary of Observations Submitted for Montana
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Rotten wood and organic soil of fens in the boreal zone (Elliott 2016); low to high elevations (FNA 2014).

Reproductive Characteristics
Autoicous (FNA 2014). Seta 12-40 mm. Capsule 2-3 mm (FNA 2014), smooth, brown, pear-shaped with a long neck (Lawton 1971); exostome teeth 16; endostome with 16 parts, longer than exostome (FNA 2014).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Elliott, J. and A. Pipp. 2016 (forthcoming). Checklist of Montana Mosses. Revised 2016. Prepared by the Montana Natural Heritage Program, Helena, Montana. 90 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.
    • Lawton, E. 1971. Moss Flora of the Pacific Northwest. Hattori Botanical Laboratory. Japan: Yamabuki-cho, Shinjuku-ku, Tokyo. 362 pages plus appendices.
  • 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.
    • Malcolm, W. M., and Nancy Malcolm. 2000. Mosses and Other Bryophytes: An Illustrated Glossary. Nelson, New Zealand: Micro-Optics Press.
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Citation for data on this website:
An Amblyodon Moss — Amblyodon dealbatus.  Montana Field Guide.  .  Retrieved on , from