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Polytrichum commune Hedw.
Life   Plantae   Bryophyta   Polytrichaceae   Polytrichum

Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune

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Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune
Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune

Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune
Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune

Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune
Polytrichum commune
© Copyright Bobby Hattaway 2011 · 5
Polytrichum commune

Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune
Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune

Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune
Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune

Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune
Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune

Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune
Polytrichum commune
© Copyright Malcolm Storey 2011-2118 · 3
Polytrichum commune

Polytrichum commune.JP_00.320.jpg
© Photographer/source
Polytrichum commune
JP_00
Polytrichum commune.JP_01.320.jpg
© Photographer/source
Polytrichum commune
JP_01

Associates · map
FamilyScientific name @ source (records)
Pseudoperisporiaceae  Lizonia emperigonia @ BPI (8)

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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=POCO38 ---> https://plants.usda.gov/java/profile?symbol=POCO38
https://plants.usda.gov/java/profile?symbol=POCO38 ---> http://plants.usda.gov/core/profile?symbol=POCO38
http://plants.usda.gov/core/profile?symbol=POCO38 ---> https://plants.usda.gov/core/profile?symbol=POCO38
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Polytrichum commune Hedw.
polytrichum moss

Image of Polytrichum commune

General Information
Symbol: POCO38
Group: Moss
Family: Polytrichaceae
Duration:  
Growth Habit : Nonvascular
Native Status : NA   N
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Polytrichum thumbnails at the Plants Gallery

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

©Michael Lüth. Provided by Michael Lüth . Lüth, M. 2004. Pictures of bryophytes from Europe [CD-ROM] . Published by the author. Usage Requirements .

slideshow

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Division Bryophyta – Mosses
Subdivision Musci
Class Bryopsida – True mosses
Subclass Bryidae
Order Polytrichales
Family Polytrichaceae
Genus Polytrichum Hedw. – polytrichum moss
Species Polytrichum commune Hedw. – polytrichum moss

Subordinate Taxa

The Plants Database includes the following 3 subspecies of Polytrichum commune . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Polytrichum commune</i>
Hedw. var. <i>
commune </i>
Polytrichum commune var. commune
polytrichum moss Distribution of <i>
Polytrichum commune</i>
Hedw. var. <i>
jensenii</i>
(I. Hagen) Mönk.
Polytrichum commune var. jensenii
Jensen's polytrichum moss Distribution of <i>
Polytrichum commune</i>
Hedw. var. <i>
perigoniale</i>
(Michx.) Hampe
Polytrichum commune var. perigoniale
polytrichum moss

Legal Status

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
Integrated Taxonomic Information System (POCO38)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 27 Page 19, 22, 23, 29, 30, 31, 33, 35, 37, 92, 130, 133 , 134, 135 , 137, 1 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 27 | Polytrichaceae | Polytrichum

1. Polytrichum commune Hedwig, Sp. Musc. Frond. 88. 1801.

Plants medium to robust, dark green to brownish with age, in loose or rather dense, tall tufts, often in extensive patches. Stems (2-)5-10(-70) cm, stiffly erect to decumbent, mostly simple or rarely forked, bracteate proxi-mally, densely to rather distantly leafy. Leaves 6-8(-12) mm, erect or erect-spreading when dry, flexuose, with distinctly recurved tips, spreading to broadly recurved when moist, or the blade sharply squarrose-reflexed from the base; sheath oblong to elliptic, involute-tubular and clasping the stem, often golden yellow and highly nitid, abruptly contracted to the narrowly lanceolate blade; marginal lamina plane or erect, narrow, 2-3(-7) cells wide, toothed from the base of blade to the apex, the teeth unicellular, embedded in the margin; costa toothed abaxially near the apex, excurrent, ending in short, rough awn; lamellae crenulate in profile, 5-9 cells high, the margin distinctly grooved as seen from above, with 2 rows of paired, projecting knobs, the marginal cells in section narrow or more typically enlarged and wider than those beneath, retuse to deeply notched (rarely divided by a vertical partition), ± thick-walled and brownish, smooth; sheath cells 60-90 × 10-13 µm, elongate-rectangular to linear (as much as 20:1), narrower toward the margins; cells of the marginal lamina 10-15 µm wide, subquadrate. Sexual condition dioicous; perichaetial leaves with a long, scarious-margined sheath and blade greatly reduced, gradually narrowed to a finely acuminate tip, the margins toothed, denticulate to subentire, the costa short- to long-excurrent, roughened to almost smooth. Seta 5-9 cm, stout, yellowish to reddish brown. Capsule 3-6 mm, short-rectangular to cubic, brown to dark reddish brown, glaucous when fresh, sharply 4-alate, inclined to horizontal; peristome 250 µm, divided to 0.6, the teeth 64, pale. Calyptra golden yellow to brownish, completely enveloping the capsule. Spores 5-8(-12) µm.

Widely distributed in the North America, throughout temperate and boreal latitudes in the Northern Hemisphere, Mexico, Pacific Islands (New Zealand), Australia.

The only North American species likely to be confused with Polytrichum commune is Polytrichastrum pallidisetum. When sterile, Polytrichum commune is easily distinguished by cross-sections of the leaves, particularly by the greatly broadened costa, and the notched marginal cells of the lamellae. In Polytrichastrum pallidisetum the marginal cells of the lamellae are broadened and shallowly retuse, but not distinctly notched, and in Polytrichum commune the arc of guide cells (seen in section below mid-point of blade) is broad, 18-24 cells wide, compared with 8-12 cells wide in Polytrichastrum pallidisetum . When capsules are present, the two species can be distinguished at a glance. A striking form of Polytrichum commune growing in wetlands, var. uliginosum , has greatly elongate stems and tightly sheathing, glossy leaf bases, the blades are flexuose and squarrose-recurved. Recent European genetic studies (R. J. Bijlsma et al. 2000) suggest that it should be recognized as a separate species.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Polytrichum+commune&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Polytrichum+commune&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Polytrichum commune%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0506 3593 [detail]
© 2006 Robert Svensson

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0606 0869 [detail]
© 2006 Robert Svensson

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0606 0870 [detail]
© 2006 Robert Svensson

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0606 0871 [detail]
© 2006 Robert Svensson

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0606 0872 [detail]
© 2006 Robert Svensson

Polytrichum commune
Polytrichum commune
ID: 0000 0000 0606 0873 [detail]
© 2006 Robert Svensson

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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