Ontologia

Bouleau blanc

Betula cordifoliaRegel

LCLR Monde (IUCN)
  1. Plante
  2. Tracheophyta
  3. Magnoliopsida
  4. Fagales
  5. Betulaceae
Pays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Betula cordifolia.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).

Liste rouge IUCN

LC · Préoccupation mineure→Stable
Évaluation complète
Évaluation
2014 · v3.1
Altitude
800 – 2000 m
Profondeur
– m
État de la populationExpert
This species is abundant in Newfoundland and Labrador and Atlantic Canada generally, and occurs apart from B. papyrifera, generally at higher altitudes or further north. Although the main concentration of the species appears to be in Labrador, Nova Scotia and Newfoundland, there are relict subpopulations of stately trees far to the south in the Appalachians, on Black Mountain and neighbouring Mount Mitchell in North Carolina. Today this species is scarce in the Appalachians south of New England. In Vermont it is scattered sporadically through a dominant scrub of rather low B. alleghaniensis.
Description complète des menacesExpert
There are no major threats reported for this species.

Habitats préférentiels (classification IUCN)

  • 1_4Forest - Temperate
  • 6Rocky areas (eg. inland cliffs, mountain peaks)
Mesures de conservation recommandéesExpert
There are no conservation actions reported or currently required for this species at present.
Niche IUCN globaleExpert

Royaumes biogéographiques

Nearctic

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

Tree - small
Références bibliographiques (8)Expert
  1. IUCN. 2014. The IUCN Red List of Threatened Species. Version 2014.3. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 13 November 2014).
  2. Missouri Botanical Garden. 2013. Tropicos. Saint Louis, Missouri. Available at: <a href="www.tropicos.org">www.tropicos.org</a>.
  3. Ashburner, K. and McAllister, H.A. 2013. <i>The Genus </i>Betula<i>: A Taxonomic Revision of Birches</i>. Kew Publishing, Richmond, Surrey.
  4. USDA, ARS, National Genetic Resources Program. 2013. Germplasm Resources Information Network, GRIN (Online database). Beltsville, Maryland Available at: <a href="http://www.ars-grin.gov/cgi-bin/npgs/html/family.pl?144">http://www.ars-grin.gov/cgi-bin/npgs/html/family.pl?144</a>. (Accessed: December 13).
  5. VASCAN. 2013. The Database of Vascular Plants of Canada. Available at: <a href="http://data.canadensys.net/vascan/search">http://data.canadensys.net/vascan/search</a>.
  6. Govaerts, R. 2013. World Checklist of Betulaceae. Facilitated by the Royal Botanic Gardens, Kew Available at: <a href="http://www.kew.org/wcsp/">http://www.kew.org/wcsp/</a>.
  7. Grimshaw, J. and Bayton, R. 2009. <i>New Trees: Recent Introductions to Cultivation</i>. Kew Publishing, Kew.
  8. eFloras. 2008. Flora of North America. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA Available at: <a href="http://www.efloras.org/">http://www.efloras.org/</a>.
Évaluateurs & contributeurs (2)Expert
assessor
Shaw, K., Roy , S. & Wilson, B.
evaluator
Oldfield, S.

Shaw, K., Roy , S. & Wilson, B. 2014. Betula cordifolia. The IUCN Red List of Threatened Species 2014: e.T51207376A51207392. Accessed on 05 May 2026.

Répartition mondiale (heatmap GBIF)Construction en cours

0 obs · 0 cellules
Construction par partitions temporelles GBIF0%

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km). Filtre qualité : précision coordonnée < 10 km. Coloration quantile (q50/70/90/99). Fond carte : OpenFreeMap · © OpenStreetMap.

Distribution mondiale

Calcul de la distribution GBIF· ~10–60 s

Phénologie

Calcul du calendrier d'apparition· ~5–30 s

Consulter sur les bases externes

Observations & statuts

iNaturalist

Bibliographie

BHLOpenAlex
Note nomenclaturale & synonymesExpert

Note nomenclaturale

TAXREF v18 — INPN/MNHN

Synonymes (8)— redirigent vers cette page

  • Betula alba var. cordifolia(Regel) Regel
  • Betula alba var. cordifolia(Regel) Fernald
  • Betula papyracea var. cordifolia(Regel) Dippel
  • Betula papyrifera f. cordifolia(Regel) C.K.Schneid.
  • Betula papyrifera subsp. cordfolia(Regel) A.E.Murray
  • Betula papyrifera subsp. cordifolia(Regel) A.E.Murray
  • Betula papyrifera var. cordifolia(Regel) Fernald
  • Betula papyrifera var. cordifolia(Regel) Regel

Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).