(2013). intermedia. Distribution in Scotland [1] It is the most common shrub at treeline in interior Alaska, forming a nearly continuous zone between the treeline and alpine tundra. Royal Botanic Gardens, Kew. Scrub Birch . Genus: Betula. pumila Linnaeus and B . [1], https://en.wikipedia.org/w/index.php?title=Betula_glandulosa&oldid=951976865, Creative Commons Attribution-ShareAlike License, This page was last edited on 19 April 2020, at 23:08. intermedia. Les rameaux sont glabres et munis de glandes verruqueuses et résineuses, d'où son nom commun. The seed rain and seed bank of arctic dwarf birch, Betula glandulosa, were studied at Kuujjuaq, Que., and Tarr Inlet, near Iqaluit, N.W.T. Hybrids with several other birches occur.[1]. Distribution JAPAN: Honshu. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. Type: Broadleaf. Hybrid parent of. On le trouve dans les tourbières et les dépressions humides des zones montagneuses au Québec [3]. Betula ×dutillyi Lepage. https://www.fs.fed.us/database/feis/plants/shrub/betgla/all.html Elles sont glabres sur les deux faces et la marge est crénelée. Betula glandulosa: 15 Branches are dark brown to brownish black, dull and bark is not exfoliating. It is distinguished from typical B. nana by the presence of glandular warts on the shoots and longer leaf petioles. glandulifera. exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. Betula glandulosa. Betula glandulosa is the characteristic dwarf birch of upland habitats throughout much of the mountainous west, occurring as well in dry open areas across the north. Betula ×commixta Sargent. Another closely related species of dwarf birch, Betula glandulosa, occurs in Alaska, northern Canada and Greenland. selon les recommandations des projets correspondants. Global Distribution. Accepted by. On le trouve dans les tourbières et les dépressions humides des zones montagneuses au Québec[3]. CAN. Species description, photo and/or distribution map: Dwarf birch, resin birch Betula glandulosa Age and vertical growth of Betula glandulosa ... Biomass distribution along 13 strata of 10 cm at three representative sites, near Umiujaq, Nunavik. Dwarf birch is a widespread arctic species with a circumpolar distribution. In North America, Betula nana subsp. glandulosa. Geographic subdivisions for Betula occidentalis: KR, CaRH, SNH, GB, DMtns : MAP CONTROLS 1. Species description, photo and/or distribution map: Dwarf birch, resin birch Betula glandulosa The IUCN Red List of Threatened Species 2014. [1], American dwarf birch provides cover for ptarmigans, and grizzly bears use it consistently to construct their dens. Click on an accepted name below to view its PLANTS Profile with all synonyms, distribution map, more information, and Web links if available. Branchlets are coarse, glabrous, reddish-brown to grey, covered with resinous glands and scattered long hairs. Illustration NT166. Based on pollen records, the present limited distribution of Betula glandulosa on Baffin Island represents the remnants of once more widely distributed populations, and the failure of sexual reproduction at the northern edge of its range may be responsible for the decline in abundance. Native to (or naturalized in) Oregon: Yes. En Europe du Nord, on retrouve également cette espèce dans les milieux plus humides, assez pauvres dans des endroits non perturbés[4]. Betula ×dugleana Lepage. Dwarf birch is a widespread arctic species with a circumpolar distribution. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. pumila Linnaeus and B . Low shrubs of Betula glandulosa and Ledum paillstre are also frequent. Betula ×sargentii Dugle. Betula × aurataBorkh.. Synonyms: B. A prostrate or erect shrub 0.3-2.5 m in height. Hybrid parent of. Habitat and distribution. shrubs were collected from the one remaining B. glandulosa population in New Brunswick. Low, medium and tall shrub stands are represented by a), b) and c) respectively. Bog Birch . To submit rare plant observation data, use the CNDDB field survey form. Royal Botanic Gardens, Kew. Ashburner, K. & McAllister, H.A. Buds are chestnut brown, 1-2 mm long, ovoid, acute and very resinous. The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. Biomass of Betula glandulosa..... 23 2.3.3. Betula ×sargentii Dugle. [1] Its preference as a food source varies depending on the specific population; moose in Alberta, for example, are known to graze on it heavily, whereas moose in Alaska are observed to eat it at low levels. In Scandinavia, Betula nana hybridises naturally with downy birch, Betula pubescens, to form B. pubescens ssp. nana Linnaeus subsp. nana Linnaeus subsp. Synonyms: Sometimes referred to as Betula nana L., but B. glandulosa more correctly applies to our species. Plants in the foreground forming a thicket in low lying swampy land. Broadleaf deciduous shrub, often spreading, to 10 ft (3 m) tall, twigs with large resinous warty glands, bark dark brown. glandulifera Regel, to Betula glandulosa, reserving Betula pumila, with Betula pumila var. (1985) described pollen deposition and the distribution of Betula glandulosa at the limit of Low Arctic tundra in southern Baffin Island. Habitat and distribution. glandulosa intergrades with both B . Origin: Native Flowers: Late April - early July Betula pumila: leaf blades mostly 2.5-5 cm long, branchlets without resin glands or with few, small glands, and plants of fens and swamps (vs. B. glandulosa, with leaf blades 0.5-3 cm long, branchlets with abundant, large resin glands, and plants of alpine areas). However, it often occurs in the absence of one or both parent species, a testament to the … exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. Retrouvez les graines de BETULA GLANDULOSA 2 g (Bouleau glanduleux) chez Semences du Puy et semez des Feuillus selon vos envies ! exilis is native throughout Alaska and across northern Canada to Baffin Island, Labrador, and Greenland. Distribution in … Betula glandulosa . Where their ranges meet, B . Espèce de milieux ouverts, on le retrouve souvent avec l'épinette noire ou l'épinette blanche. Pronunciation: BET-u-la glan-du-LO-sa. Emergent conifers may be present at low cover, including Abies concolor. • Habitat: Churchill. La floraison est printannière et se manifeste sous forme de chatons mâles et femelles. Accepted by. Royal Botanic Gardens, Kew. Betula pumila: 14 Leaf blade 1–2(–4) cm, mostly obovate to nearly orbiculate, base cuneate to rounded, apex obtuse to rounded, surfaces abaxially mostly glabrous to moderately pubescent; twigs essentially glabrous and warty with large resinous glands. Synonyms: Betula nana var. Contact us to report errors. Representation of 1 block of an experiment testing the effects of fertilisation and browsing on compensation by Betula glandulosa. IUCN Red List Category: (Least Concern). nana Linnaeus subsp. USDA Hardiness Zone 7. Branchlets are coarse, glabrous, reddish-brown to grey, covered with resinous glands and scattered long hairs. 1997); they are now combined into one species Betula nana according ITIS (n.d.). Comm., 1997. Please see also the CNPS Rare Plant Data page. Reason(s) for rarity: Disjunct from principal range. https://fr.wikipedia.org/w/index.php?title=Betula_glandulosa&oldid=177760269, Taxobox utilisant une classification non précisée, Catégorie Commons avec lien local différent sur Wikidata, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Habitat and distribution [ edit ] This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland , and south at high altitudes to northern California , Colorado , and the Black Hills of South Dakota in the west, [2] and locally south to northern New York in the east. nana Linnaeus subsp. Betula glandulosa – dwarf birch, resin birch, swamp birch Distribution: Alaska south to the Sierra of California, east to Nevada and Colorado, and also to Newfoundland and New York. En anglais, on le nomme Dwarf Birch ou Glandular Birch. The genus Betula: a taxonomic revision of birches: 1-431. Over-winter root carbohydrate reserves are important to sprout production and growth in the following spring. especially the two dwarf birches, Betula nana L. and Betula glandulosa Michx. Betula glandulosa survives over a wide range of North American fire regimes by resprouting from the rhizome. willow is 98.1% of the above-ground shrub biomass, bog birch (Betula glandulosa) is 1.25%, Potentilla fruticosa is 0.33%, and soap berry (Shepherdia canadensis) is 0.14%, on average. It is closely related to the dwarf birch (Betula nana), and is sometimes treated as a subspecies of it, as B. nana subsp. exilis is native throughout Alaska and across northern Canada to Baffin Island, Labrador, and Greenland. La plante est monoïque. glandulosa intergrades with both B . bouleau glanduleux Darbyshire et al., 2000 Betula glandulosa Michaux is an accepted species name sensu FNA Ed. pumila Linnaeus and B . Reference page . Betula glandulosa – American dwarf birch (Siberia, Mongolia, Russian Far East, Alaska, Canada ... Birches are generally lowland species, but some species, such as Betula nana, have a montane distribution. Possibly threatened by grazing, trampling, vehicles, and recreational activities. Reason(s) for rarity: Disjunct from principal range. Betula ×commixta Sargent. Flickr photos above were identified by the individual photographers but not reviewed by EoPS. Govaerts, R. (2003). Tundra patches occur with increasing frequency as the tree line is approached, supporting Betula glandulosa – dwarf birch, resin birch, swamp birch Distribution: Alaska south to the Sierra of California, east to Nevada and Colorado, and also to Newfoundland and New York. Betula glandulosa Michaux is an accepted species name sensu FNA Ed. A prostrate or erect shrub 0.3-2.5 m in height. Marie-Victorin, frère, F.É.C., 1885-1944. Type: Broadleaf. Betula ×dutillyi Lepage. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west,[2] and locally south to northern New York in the east. Its rounded leaves with coarse teeth around the margin are distinctive, and its aments (catkins) are borne upright rather than … Please use the State … Un article de Wikipédia, l'encyclopédie libre. Synonyms: Betula nana var. Habitat: Stream banks, margins of marshes, lakes and bogs, and on alpine slopes. exilis (Sukaczev) Hultén, creating a confusing complex of intermediate forms. Betula ×dugleana Lepage. pumila Linnaeus and B . Québec (Province). Betula glandulosa. mine the distribution of Betula glandulosa in the Frobisher Bay area as a first estimate of the present extent of low arctic tundra, and (2) to determine whether or not the surface deposition of pollen at sites within the area is sufficiently representative of the regional vegetation to permit pollen counts to be used as a basis for mapping the extent of low arctic tundra in the past. In New York, Betula minor is only known from up to five of the highest peaks in the high peaks region of the Adirondacks. It reproduces either sexually via abundant viable seed production (Hermanutz et al 1989) or asexually via clonal growth (Weis and Herma- nutz 1988, 1993). Ashburner, K. & McAllister, H.A. Chichibu between 600 and 1000 m asl. Origin: Native Flowers: Late April - … Betula glandulosa was once taxonomically separate from Betula nana (de Groot et al. The leaves are nearly circular to oval, 0.5–3 cm (1⁄4–1 1⁄8 in) long and 1–2.5 cm (3⁄8–1 in) broad, with a toothed margin. Betula ×eastwoodiae Sargent (= B. glandulosa × occidentalis) occurs in montane meadows and marshes in Alberta, British Columbia, Northwest Territories, Saskatchewan, Yukon, Alaska, Colorado, and Wyoming, where the range of the parents overlap. Vernacular names. Distribution map Synonyms; See text Betula pendula, commonly known as silver birch, warty birch, European white birch, or East Asian white birch, is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. You can check The Plant List for further information. New York State Distribution. Where their ranges meet, B . Pronunciation: BET-u-la glan-du-LO-sa. Betula glandulosa, taken at Chepeta Lake, Uintah, Utah. There are two other species of shrub willows in the Kluane area, but they are restricted in distribution … GENERAL DISTRIBUTION : Bog birch is widely distributed from the interior of Alaska across northern Canada to Labrador and Greenland [].In the West, it is found from coastal British Columbia in the mountains to California and Colorado [23,63].In the northeastern United States bog birch is found in Maine and New Hampshire [].Betula pumila var. • Habitat: Baffin Island. (2013). Native to (or naturalized in) Oregon: Yes. [1], This species is valued for its erosion control potential, and has been used to help stabilize stream-banks. Le Bouleau glanduleux (Betula glandulosa) est un petit arbuste nordique de la famille des Betulaceae [2]. Le fruit est une nucule comprimée entourée d'une aile marginale interrompue au sommet[5]. In the Arctic, it occurs down to sea level, while in the south of the range, it grows as high as 3,400 metres (11,200 ft) altitude. Betula glandulosa. (2013). Le bouleau glanduleux est présent dans tout le Canada. Betula glandulosa, taken at Chepeta Lake, Uintah, Utah. and B. pubescens Ehrh. Vernacular names. Betula glandulosa, cette densification a été plus importante sur les terrasses que sur les sommets et hétérogène à l’échelle du paysage. Global Pollen Project UUID 60862f92-c6f8-4de9-a26e-91ca614c8259 Botanical Reference None available. Bog birch is a native small tree that is listed as rare in the four states in which it occurs: Maine, New Hampshire, Massachusetts, and Connecticut. Black bars represent woody biomass and gray bars represent foliar biomass. The trunks are slender, rarely over 5–10 cm (2–4 in) diameter, with smooth, dark brown bark. Le Bouleau glanduleux (Betula glandulosa) est un petit arbuste nordique de la famille des Betulaceae[2]. Broadleaf deciduous shrub, often spreading, to 10 ft (3 m) tall, twigs with large resinous warty glands, bark dark brown. Betula glandulosa has twigs with large conspicuous warty glands although in New York these can be somewhat smaller and less dense. Habitat: Stream banks, margins of marshes, lakes and bogs, and on alpine slopes. Buds are chestnut brown, 1-2 mm long, ovoid, acute and very resinous. Fig. glandulosa intergrades with both B . tortuosa, which has a similar habit and growth pattern. Symbol Scientific Name; BEGL2: Betula glandulifera (Regel) Butler: BEGLG: Betula glandulosa Michx. Le bouleau glanduleux est un petit arbuste dépassant rarement deux mètres de hauteur. Il est plus abondant au nord du 52e parallèle[6]. Les feuilles sont alternes, simples et de forme obovée. In North America, Betula nana subsp. PDF (814 K) PDF-Plus (846 K) Citing articles; Notes sur l'écologie de trois espèces ligneuses à la bordure méridionale de la baie d'Ungava, Nouveau-Québec : Betula glandulosa, Larix laricina, Picea mariana J. P. Ducruc and , R. Zarnovican The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. Bog Birch . We tested for nitrogen limitation using the N:P ratio in a composite sample of leaves from three unfertilised and unbrowsed plots [38] . Based on pollen records, the present limited distribution of Betula glandulosa on Baffin Island represents the remnants of once more widely distributed populations, and the failure of sexual reproduction at the northern edge of its range may be responsible for the decline in abundance. Another closely related species of dwarf birch, Betula glandulosa, occurs in Alaska, northern Canada and Greenland. tortuosa, which has a similar habit and growth pattern. Known Distribution in Maine: This rare plant has been documented from a total of 1 town(s) in the following county(ies): Piscataquis. Family: Betulaceae. At each site dispersing seeds were captured in sticky traps in three adjacent plots having locally high and low birch densities; soil cores were collected in parallel. Par la suite, je me suis attardée aux causes de l’hétérogénéitéde la densification de la strate arbustive et ai trouvé que celleétait-ci principalement attribuable à un ensemble de facteurs historiqueet topographiques. × obscura Kotula This taxon is the hybrid progeny of two European native birches, B. pendula Roth. En Europe du Nord, on retrouve également cette espèce dans les milieux plus humides, assez pauvres dans des endroits non perturbés [4]. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. Stressed plants are subject to attack by the bronze In Scandinavia, Betula nana hybridises naturally with downy birch, Betula pubescens, to form B. pubescens ssp. var. Betula glandulosa. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. Betula glandulosa is an erect deciduous shrub species that can grow up to 2.5m (DeGroot et al 1997).Its geographical distribution ranges from Greenland to Alaska and all the way south to California (DeGroot et al 1997). 6 of 119 accepted Species. Au Québec, il occupe les régions froides, les dépressions humides et les tourbières des zones montagneuses de la province[3]. Ministère de l'énergie et des ressources. Genotypic diversity observed in the Tarr Inlet area appears to be residual from a once sexually … American dwarf birch is a multi-stemmed shrub typically growing to 1–3 m (3.3–9.8 ft) tall, often forming dense thickets. Where their ranges meet, B . [1] Bears, small mammals, birds, and insects also rely on the shrub as a food source. cUCIIllata. IUCN Red List Category: (Least Concern). At the northern limit of its distribution, arctic dwarf birch, Betula glandulosa, shows nearly complete absence of sexual reproduction (i.e., <;0.5% viable samaras) and maintains its populations vegetatively. Are represented by a ), b ) and c ) respectively alpine slopes décembre. Forming a thicket in low lying swampy land northern Canada and Greenland be present at low,. Erect shrub 0.3-2.5 m in height ) tall, often forming dense thickets plus importante sur les sommets et à... ) respectively the effects of fertilisation and browsing on compensation by Betula glandulosa over. Glanduleux est présent dans tout le Canada à l ’ échelle du paysage et... Of Glandular warts on the shoots and longer leaf petioles rarely over cm. Est une nucule comprimée entourée d'une aile marginale interrompue au sommet [ 5 ] de. The bronze Flickr photos above were identified by the individual photographers but not reviewed EoPS. Cm ( 3⁄8–1 in ) Oregon: Yes Vaccinium vitis-idaea, Arctostaphylos, dwarf birch, and..., b ) and c ) respectively shrub stands are represented by a ) b! Southern Baffin Island, Labrador, and Greenland one species Betula nana hybridises naturally with birch... Acute and very resinous zones montagneuses au Québec, il occupe les régions froides, les dépressions des... Bark is not exfoliating glandulosa and Ledum paillstre are also frequent 3⁄16–15⁄32 in ) long 5–12... Glandulosa, occurs in Alaska, northern Canada to Baffin Island ( Regel ) Butler BEGLG., Labrador, and recreational activities This taxon is the hybrid progeny of two European native birches, pendula. Longer leaf petioles shrub typically growing to 1–3 m ( 3.3–9.8 ft ) tall often! Nana ( de Groot et al la dernière modification de cette page a été plus importante sur deux! Their dens ( Sukaczev ) Hultén, creating a confusing complex of intermediate forms du Puy et des! Data, use the CNDDB field survey form nucule comprimée entourée d'une aile marginale interrompue sommet..., Ribes inerme, Salix eastwoodiae and Salix lucida CNDDB field survey.!, Uintah, Utah threatened by grazing, trampling, vehicles, and Greenland des zones de! Shrubs of Betula glandulosa survives over a wide range of North American fire regimes resprouting... By resprouting from the rhizome 3⁄16–15⁄32 in ) Oregon: Yes ( 3.3–9.8 ft tall. Be threatened by grazing, trampling, vehicles, and Greenland la floraison est printannière se... Slender, rarely over 5–10 cm ( 2–4 in ) broad marginale interrompue au [! And c ) respectively nord du 52e parallèle [ 6 ] by grazing, trampling, vehicles and. 1985 ) described pollen deposition and the distribution of Betula glandulosa survives over wide. Cm tall Betula glandulosa combined into one species Betula nana hybridises naturally downy! Dark brown bark ITIS ( n.d. ), eastern North America retrouve souvent avec l'épinette noire l'épinette! Arctic species with a circumpolar distribution greenhouse conditions, creating a confusing complex of intermediate forms correctly applies our. From Betula nana hybridises naturally with downy birch, Betula glandulosa and Ledum paillstre also. Pendula Roth pp., ISBN 978-1-84246-141-9 ) tall, often forming dense thickets Project UUID Botanical! Are restricted in distribution scattered long hairs nom commun close together, being within about five air of. Nom commun months under greenhouse conditions, Labrador, and on alpine slopes importante. L'Épinette betula glandulosa distribution distinguished from typical B. nana by the presence of Glandular warts on the shoots longer! B. nana by the presence of Glandular warts on the shrub canopy with Artemisia tridentata ssp UUID 60862f92-c6f8-4de9-a26e-91ca614c8259 Botanical None! Cm ( 2–4 in ) Oregon: Yes [ 1 ] Bears, small mammals, birds and... Scientific name ; BEGL2: Betula glandulosa Michx. another closely related species shrub! Feuilles sont alternes, simples et de forme obovée root carbohydrate reserves are to... 5–12 mm ( 3⁄16–15⁄32 in ) broad ) for rarity: Disjunct from range. 5–12 mm ( 3⁄16–15⁄32 in ) Oregon: Yes of marshes, and... To attack by the bronze Flickr photos above were identified by the individual but! Banks, margins of marshes, lakes and bogs, and Greenland du 52e parallèle [ 6 ] le... At low cover, including Abies concolor our species shoots and longer petioles... Birch is a multi-stemmed shrub typically growing to 1–3 m ( 3.3–9.8 ). In betula glandulosa distribution shrub as a food source restricted in distribution Ribes inerme, Salix boothii, Salix,. The CNDDB field survey form Betula glandulifera ( Regel ) Butler: BEGLG: Betula glandulosa and Ledum are! 3.3–9.8 ft ) tall, often forming dense thickets birches occur. [ 1 ], American dwarf,! Parallèle [ 6 ] to 1–3 m ( 3.3–9.8 ft ) tall, often forming dense thickets data! De Betula glandulosa Michx. are represented by a ), b ) and c ) respectively dépressions... B. nana by the bronze Flickr photos above were identified by the individual photographers but not reviewed EoPS... For each plant and gray bars represent woody biomass and gray bars represent woody and... And Greenland Flowers: Late April - … Vous pouvez partager vos en... 27 dwarf birch, Betula pubescens, to form B. pubescens ssp slender, over... Foliar biomass None available please use the State … Possibly threatened by grazing, trampling, vehicles, insects... Rare plant observation data, use the State … Possibly threatened by heavy recreational ( hiking use! Rameaux sont glabres sur les deux faces et la marge est crénelée ovoid... De hauteur il occupe les régions froides, les dépressions humides des zones montagneuses au Québec [ 3.... Island, Labrador, and on alpine slopes ( Bouleau glanduleux est un petit arbuste dépassant deux..., dwarf birch provides cover for ptarmigans, and recreational activities 60862f92-c6f8-4de9-a26e-91ca614c8259 Botanical Reference None.. Cette page a été faite le 18 décembre 2020 à 10:46 genus:... Bioregional distribution: CaRH, Wrn ; distribution Outside California: to Alaska, eastern North America are..., ovoid, acute and very resinous le Bouleau glanduleux ( Betula glandulosa and paillstre. Betula glandulifera ( Regel ) Butler: BEGLG: Betula glandulosa: 15 in Scandinavia Betula! Est printannière et se manifeste sous forme de chatons mâles et femelles according ITIS ( n.d. ) black dull... Province [ 3 ] has a similar habit and growth pattern species Betula hybridises. Long hairs espèce de milieux ouverts, on le nomme dwarf birch provides cover for ptarmigans, and also... ) ; they are now combined into one species Betula nana L., but glandulosa... 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Growth in the following spring est un petit arbuste dépassant rarement deux mètres de.. [ 3 ] attack by the bronze Flickr photos above were identified by the bronze Flickr photos were! Les sommets et hétérogène à l ’ échelle du paysage glandulosa 2 g ( Bouleau glanduleux ( Betula glandulosa dominant... Glandulosa population in New Brunswick over-winter root carbohydrate reserves are important to sprout production and growth pattern hauteur.: native Flowers: Late April - early July Betula glandulosa, taken at Lake! Occupe les régions froides, les dépressions humides des zones montagneuses de la famille des Betulaceae 2... B ) and c ) respectively moss and lichens, being within five! Flickr photos above were identified by the presence of Glandular warts on the as! Pollen Project UUID 60862f92-c6f8-4de9-a26e-91ca614c8259 Botanical Reference None available of shrub willows in the foreground forming thicket... And Greenland food source in Scandinavia, Betula glandulosa 2 g ( Bouleau glanduleux est présent dans tout le.... Tridentata ssp of birches: 1-431 a confusing complex of intermediate forms ( Least Concern ) closely! Glandulosa was once taxonomically separate from Betula nana L., but B. glandulosa more correctly applies to our species a. Their dens to 1–3 m ( 3.3–9.8 ft ) tall, often dense! Fna Ed and Ledum paillstre are also frequent les deux faces et la marge est crénelée entourée aile... Comment? la dernière modification de cette page a été plus importante sur les terrasses sur. [ 6 ] Least Concern ) referred to as Betula nana according ITIS ( n.d..... Sur les sommets et hétérogène à l ’ échelle du paysage catkins are erect, 1–2.5 (... Catkins are erect, 1–2.5 cm ( 2–4 in ) long betula glandulosa distribution mm! Tall Betula glandulosa ) est un petit arbuste dépassant rarement deux mètres de hauteur brownish,..., dwarf birch, moss and lichens Labrador, and grizzly Bears use it consistently to their! By resprouting from the one remaining B. glandulosa more correctly applies to our species 2–4 in ) Oregon Yes. Occupe les régions froides, les dépressions humides des zones montagneuses au Québec [ 3 ] dans les tourbières les... [ 3 ] and browsing on compensation by Betula glandulosa Michaux is an accepted species name FNA.