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Larix occidentalis Nutt.
WESTERN LARCH
Western tamarack; Hackmatack; Mountain larch

Life   Plantae   Gymnospermae   Pinaceae   Larix

Larix occidentalis, whole tree - general
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, whole tree - general

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Larix occidentalis, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, leaf - showing orientation on twig
Larix occidentalis, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, twig - showing attachment of needles

Larix occidentalis, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, leaf - entire needle
Larix occidentalis, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, twig - showing attachment of needles

Larix occidentalis, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, leaf - entire needle
Larix occidentalis, bark - of a small tree or small branch
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, bark - of a small tree or small branch

Larix occidentalis, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Larix occidentalis, leaf - entire needle

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma abietina @ BPI (1)

Phoma abietis @ BPI (7)

Phoma necans @ BPI (4)
Auriculariaceae  Auricularia auricula @ BPI (1)
Coniophoraceae  Coniophora arida @ BPI (2)

Coniophora byssoidea @ BPI (6)

Coniophora cerebella @ BPI (1)

Coniophora laeticolor @ BPI (2)

Coniophora laxa @ BPI (1)

Coniophora olivacea @ BPI (4)

Coniophora @ BPI (1)
Corticiaceae  Corticium berkeleyi @ BPI (5)

Corticium byssinum @ BPI (1)

Corticium canum @ BPI (1)

Corticium cebennense @ BPI (2)

Corticium confluens @ BPI (1)

Corticium consimile @ 280780B (1); 280780A (1)

Corticium croceum @ BPI (1)

Corticium decipiens @ BPI (1)

Corticium furfuraceum @ BPI (3)

Corticium fuscostratum @ BPI (5)

Corticium galactinum @ BPI (11)

Corticium investiens @ BPI (3)

Corticium lacteum @ BPI (2)

Corticium lividocoeruleum @ BPI (6)

Corticium lividum @ BPI (3)

Corticium microsporum @ BPI (1)

Corticium mutabile @ BPI (1)

Corticium ochraceum @ BPI (1)

Corticium pelliculare @ BPI (3)

Corticium plumbeum @ BPI (1)

Corticium racemosum @ BPI (2)

Corticium radiosum @ BPI (3)

Corticium subcontinuum @ BPI (1)

Corticium subpallidulum @ BPI (1)

Corticium sulphureum @ BPI (4)

Corticium trigonospermum @ BPI (1)

Corticium vagum @ BPI (4); 283423B (1); 283423C (1); 283423A (1)

Corticium @ BPI (1)
Dacrymycetaceae  Dacrymyces aurantia @ BPI (3)

Dacrymyces deliquescens @ BPI (1)
Dallinidae  Leptothyrella laricis @ 391615B (1); 391615A (1)
Diaporthaceae  Phomopsis pseudotsugae @ BPI (1)
Echinodontiaceae  Echinodontium sulcatum @ BPI (1)
Entolomataceae  Claudopus nidulans @ BPI (2)

Claudopus variabilis @ BPI (1)
Helotiaceae  Scleroderris @ BPI (1)

Tympanis laricina @ BPI (2)

Tympanis pinastri @ BPI (3)
Hemiphacidiaceae  Meria laricis @ BPI (1)
Hericiaceae  Hericium coralloides @ BPI (1)
Hyaloscyphaceae  Dasyscyphus arida @ BPI (2)

Dasyscyphus calycinus @ BPI (11)

Dasyscyphus occidentalis @ BPI (12)

Dasyscyphus willkommii @ BPI (2)

Lachnellula @ BPI (1)
Hymenochaetaceae  Hymenochaete corrugata @ BPI (1)

Hymenochaete fimbriata @ BPI (1)

Hymenochaete fuliginosa @ BPI (1)

Hymenochaete tabacina @ BPI (5)
Lachnocladiaceae  Asterostroma bicolor @ BPI (3)
Lycoperdaceae  Lycoperdon pyriforme @ BPI (1)
Marasmiaceae  Armillaria mellea @ BPI (3)
Melampsoraceae  Melampsora bigelowii @ BPI (55)

Melampsora epitea @ BPI (1)

Melampsora laricis-capraearum @ BPI (1)

Melampsora medusae @ BPI (11)
Meruliaceae  Merulius ambiguus @ BPI (1)

Merulius molluscus @ BPI (2)

Merulius pinastri @ BPI (2)

Merulius serpens @ BPI (1)

Merulius vastator @ BPI (1)

Phlebia albida @ BPI (2)
Miridae  Deraeocoris diveni @ AMNH_ENT (3)
Mycosphaerellaceae  Heterosporium laricinum @ BPI (1)
Onagraceae  Kneiffia @ BPI (1)
Paxillaceae  Paxillus panuoides @ BPI (1)
Peniophoraceae  Peniophora crassa @ BPI (1)

Peniophora gigantea @ BPI (1)

Peniophora glebulosa @ BPI (2)

Peniophora greschikii @ BPI (1)

Peniophora luna @ BPI (3)

Peniophora odorata @ BPI (2)

Peniophora pubera @ BPI (1)

Peniophora setigera @ BPI (1)

Peniophora subcremea @ BPI (1)

Peniophora subsulphurea @ BPI (1)

Peniophora tabacina @ BPI (1)
Phanerochaetaceae  Phanerochaete carnosa @ BPI (9)

Phanerochaete sordida @ BPI (1)
Polyporaceae  Fomes annosus @ BPI (2)

Fomes carneus @ BPI (1)

Fomes isabellinus @ BPI (1)

Fomes nigrolimitatus @ BPI (5)

Fomes officinalis @ BPI (11)

Fomes pini @ BPI (16)

Fomes pinicola @ BPI (10)

Fomes putearius @ BPI (11)

Fomes roseus @ BPI (1)

Fomes subroseus @ BPI (1)

Fomes tenuis @ BPI (1)

Hexagonia carbonaria @ BPI (1)

Lentinus lepideus @ BPI (10)

Lenzites saepiaria @ BPI (1)

Polyporus abietinus @ BPI (5)

Polyporus acidus @ BPI (1)

Polyporus alboluteus @ BPI (2)

Polyporus anceps @ BPI (4)

Polyporus aurantiacus @ BPI (1)

Polyporus berkeleyi @ BPI (4)

Polyporus borealis @ BPI (1)

Polyporus caesius @ BPI (5)

Polyporus crispellus @ BPI (2)

Polyporus fibrillosus @ BPI (1)

Polyporus fragilis @ BPI (3)

Polyporus guttulatus @ BPI (2)

Polyporus lapponicus @ BPI (2)

Polyporus leucospongia @ BPI (1)

Polyporus mollis @ BPI (2)

Polyporus osseus @ BPI (4)

Polyporus palustris @ BPI (1)

Polyporus perdelicatus @ BPI (1)

Polyporus sanguineus @ BPI (1)

Polyporus schweinitzii @ BPI (8)

Polyporus smallii @ BPI (1)

Polyporus sulphureus @ BPI (6)

Polyporus trabeus @ BPI (1)

Polyporus versicolor @ BPI (3)

Polyporus volvatus @ BPI (7)

Polyporus @ BPI (3)

Poria alpina @ BPI (5)

Poria bombycina @ BPI (1)

Poria callosa @ BPI (10)

Poria carbonica @ BPI (1)

Poria cinerascens @ BPI (8)

Poria crustulina @ BPI (1)

Poria dichroa @ BPI (1)

Poria ferrugineofusca @ BPI (5)

Poria lenis @ BPI (3)

Poria selecta @ BPI (7)

Poria sericeo-mollis @ BPI (1)

Poria setosa @ BPI (2)

Poria sinuosa @ BPI (4)

Poria sitchensis @ BPI (1)

Poria subacida @ BPI (16)

Poria unita @ BPI (2)

Poria vaillantii @ BPI (2)

Poria vaporaria @ BPI (3)

Poria xantha @ BPI (8)

Poria @ BPI (3)

Trametes carbonaria @ BPI (4)

Trametes carnea @ BPI (2)

Trametes heteromorpha @ BPI (3)

Trametes hexagoniformis @ BPI (1)

Trametes isabellina @ BPI (4)

Trametes piceinus @ BPI (1)

Trametes pini @ BPI (1)

Trametes serialis @ BPI (2)

Trametes setosus @ BPI (7)

Trametes subrosea @ BPI (2)

Trametes variiformis @ BPI (3)
Reticulariaceae  Lycogala epidendrum @ BPI (1)
Rhizinaceae  Rhizina undulata @ BPI (1)
Rhytismataceae  Hypodermella laricis @ 650808B (1); BPI (64); 650808A (1); 650795B (1); 650795A (1)

Lophodermium laricinum @ BPI (4)

Propolis leonis @ BPI (1)
Sebacinaceae  Sebacina @ BPI (2)
Serpulidae  Serpula silvestris @ BPI (1)
Steccherinaceae  Irpex laricis @ BPI (2)

Odontia abietina @ BPI (7)

Odontia arguta @ BPI (1)

Odontia bicolor @ BPI (2)

Odontia cristulata @ BPI (2)

Odontia romellii @ BPI (2)

Odontia sudans @ BPI (1)
Stereaceae  Aleurodiscus amorphus @ BPI (1)

Aleurodiscus penicillatus @ BPI (2)

Aleurodiscus spiniger @ BPI (1)

Aleurodiscus weirii @ BPI (10)

Stereum ambiguum @ BPI (1)

Stereum chailletii @ BPI (3)

Stereum rugisporum @ BPI (5)

Stereum sanguinolentum @ BPI (5)

Stereum sulcatum @ BPI (37)
Thelephoraceae  Thelephora terrestris @ BPI (2)
Trichiaceae  Trichia decipiens @ BPI (1)

Trichia floriformis @ BPI (1)
Tricholomataceae  Omphalia campanella @ BPI (1)
Valsaceae  Cytospora abietis @ BPI (6)

Cytospora @ BPI (1)

Valsa abietis @ BPI (6)

Valsa @ BPI (1)
Xenasmataceae  Xenasma filicinum @ BPI (1)
Xylariaceae  Rosellinia thelena @ BPI (1)
_  Caldesiella viridis @ BPI (1)

Clithris crispa @ BPI (1)

Collonema laricis @ BPI (14)

Gelatinosporium @ BPI (1)

Grandinia alutacea @ BPI (1)

Grandinia aspera @ BPI (1)

Grandinia granulosa @ BPI (7)

Grandinia @ BPI (3)

Hypochnus microsporus @ BPI (1)

Hypochnus pellicula @ BPI (1)

Hypochnus spongiosus @ BPI (1)

Stictopatella @ BPI (1)

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Following modified from The Gymnosperm Database
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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=LAOC ---> https://plants.usda.gov/java/profile?symbol=LAOC
https://plants.usda.gov/java/profile?symbol=LAOC ---> http://plants.usda.gov/core/profile?symbol=LAOC
http://plants.usda.gov/core/profile?symbol=LAOC ---> https://plants.usda.gov/core/profile?symbol=LAOC
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You are here: Home / Plant Profile

Larix occidentalis Nutt.
western larch

Image of Larix occidentalis

General Information
Symbol: LAOC
Group: Gymnosperm
Family: Pinaceae
Duration: Perennial
Growth Habit : Tree
Native Status : CAN   N
L48   N
Characteristics
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 Larix thumbnails at the Plants Gallery

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, WA. Usage Requirements .

©Susan McDougall. Trees Live Here . United States, OR, Emigrant Springs Campground. October 13, 2002. Usage Requirements .

©Susan McDougall. Trees Live Here . United States, OR, Emigrant Springs Campground. October 13, 2002. Usage Requirements .

©Susan McDougall. Trees Live Here . United States, OR, Cascade Mountains. October 19, 1991. Usage Requirements .

©Susan McDougall. Trees Live Here . United States, WA, White Pass. October 2000. Usage Requirements .

©Susan McDougall. Trees Live Here . United States, WA, Cascade Mountains, White Pass. May 2003. Usage Requirements .

Ray M. Filloon. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, WA. 1936. Usage Requirements .

Ray M. Filloon. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, WA. 1936. Usage Requirements .

R.E. McArdle. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, OR, Columbia National Forest. 1926. Usage Requirements .

Wyman C. Schmidt. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, MT. 1960. Usage Requirements .

K.D. Swan. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, MT, Kootenai National Forest, Wolf Creek Valley near mouth of Cacallus Creek. 1945. Usage Requirements .

K.D. Swan. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, MT, Kootenai National Forest, Yaak Post Office. 1926. Usage Requirements .

Provided by National Agricultural Library . Originally from USDA Forest Service . United States, MT, Kootenai National Forest. 1966. 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
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Coniferophyta – Conifers
Class Pinopsida
Order Pinales
Family Pinaceae – Pine family
Genus Larix Mill. – larch
Species Larix occidentalis Nutt. – western larch

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Arid West FACU
Western Mountains, Valleys, and Coast FACU

Related Links

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ARS Germplasm Resources Information Network (LAOC)
CalPhotos (LAOC)
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Lady Bird Johnson Wildflower Center Native Plant Information Network (LAOC)
Native American Ethnobotany (University of Michigan - Dearborn) (LAOC)
Native Plants Network (LAOC)
USDA Forest Service Fire Effects Information System (LAOC)
Related Websites
USDA Forest Service-Silvics of North America (LAOC)

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 | Family List | FNA Vol. 2 | Pinaceae | Larix

2. Larix occidentalis Nuttall, N. Amer. Sylv. 3: 143, plate 120. 1849.

Western larch, mélèze occidental

Trees to 50m; trunk to 2m diam., usually (when forest grown) branch-free over most of height; crown short, conic. Bark reddish brown, scaly, with deep furrows between flat, flaky, cinnamon-colored plates. Branches horizontal, occasionally drooping in lower crown of open-grown trees; twigs orange-brown, initially pubescent, becoming glabrous or very sparsely pubescent during first year. Buds dark brown, generally puberulent, scale margins erose. Leaves of short shoots 2--5cm × 0.65--0.80mm, 0.4--0.6mm thick, keeled abaxially, with shallow convex midrib adaxially, pale green; resin canals 20--50 µm from margins, each surrounded by 5--7 epithelial cells. Seed cones 2--3 × 1.3--1.6cm, on curved stalks 2.5--4.5 ´ 3.5--5mm; scales 45--55, margins entire, adaxial surface pubescent; bracts tipped by awn to 3mm, exceeding scales by ca. 4mm. Pollen 71--84µm diam. Seeds reddish brown, body 3mm, wing 6mm. 2 n =24.

Mountain valleys and lower slopes; 500--1600m; B.C.; Idaho, Mont., Oreg., Wash.

Western larch, when forest grown, is usually branch-free over most of its height. This is one of the most valuable timber-producing species in western North America. Its wood is made into framing, railway ties, pilings, exterior and interior finishing work, and pulp. In some localities it is the preferred firewood.

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Larix+occidentalis&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=Larix+occidentalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 22
Query: SELECT * FROM img WHERE ready=1 and taxon like "Larix occidentalis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Larix occidentalis
Larix occidentalis
Hackmatack
ID: 0024 3291 1997 0022 [detail]
Sherry Ballard
© 2000 California Academy of Sciences

Larix occidentalis
Larix occidentalis
Western Larch
ID: 0000 0000 0105 2688 [detail]
© 2005 Christopher L. Christie

Larix occidentalis
Larix occidentalis
Western Larch
ID: 0000 0000 1009 1523 [detail]
© 2009 Sandra Smith

Larix occidentalis
Larix occidentalis
Western Larch
ID: 0000 0000 0914 0681 [detail]
© 2014 Jean Pawek

Larix occidentalis
Larix occidentalis
Western Larch
ID: 0000 0000 0914 0682 [detail]
© 2014 Jean Pawek

Larix occidentalis
Larix occidentalis
Western Larch
ID: 0000 0000 0914 0683 [detail]
© 2014 Jean Pawek

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1423 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1424 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1425 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1426 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1427 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1428 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1429 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1430 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1431 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1432 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1014 1433 [detail]
© 2014 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1016 0345 [detail]
© 2016 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1016 0346 [detail]
© 2016 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1016 0347 [detail]
© 2016 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1016 0348 [detail]
© 2016 Zoya Akulova

Larix occidentalis
Larix occidentalis
ID: 0000 0000 1016 0349 [detail]
© 2016 Zoya Akulova

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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