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  2. Betula pubescens - Wikipedia

    en.wikipedia.org/wiki/Betula_pubescens

    Betula pubescens is known as downy birch, with other common names including moor birch, white birch, European white birch or hairy birch. [3] It is a deciduous tree growing to 10 to 20 m (33 to 66 ft) tall (rarely to 27 m), with a slender crown and a trunk up to 70 cm (28 in) (exceptionally 1 m) in diameter, with smooth but dull grey-white bark ...

  3. British NVC community W4 - Wikipedia

    en.wikipedia.org/wiki/British_NVC_community_W4

    W4 Betula pubescens-Molinia caerulea woodland is widely distributed, but rarely extensive, throughout the lowlands and the upland fringes of Britain. It occurs on moist, peaty, rather acidic soils, particularly on or around peat bogs that are drying out, usually as a result of drainage, although it can also be found on acidic mineral soils in suitable locations.

  4. British NVC community W11 - Wikipedia

    en.wikipedia.org/wiki/British_NVC_community_W11

    NVC community W11 (Quercus petraea - Betula pubescens - Oxalis acetosella woodland) is one of the woodland communities in the British National Vegetation Classification system. It is one of the six communities falling in the "mixed deciduous and oak/birch woodlands" group. This is a widespread upland community of northern and western Britain.

  5. Birch triterpenes - Wikipedia

    en.wikipedia.org/wiki/Birch_triterpenes

    The active substance of birch triterpenes is birch bark extract (as dry extract, refined) from Betula pendula Roth/Betula pubescens Ehrh. (equivalent to 0.5‑1.0 g birch bark), including 84‑95 mg triterpenes calculated as the sum of betulin, betulinic acid, erythrodiol, lupeol, and oleanolic acid. [3]

  6. Woodland and scrub communities in the British National ...

    en.wikipedia.org/wiki/Woodland_and_scrub...

    W16 Quercus spp. - Betula spp. - Deschampsia flexuosa woodland; W17 Quercus petraea - Betula pubescens - Dicranum majus woodland; W18 Pinus sylvestris - Hylocomium splendens woodland; W19 Juniperus communis ssp. communis - Oxalis acetosella woodland; W20 Salix lapponum - Luzula sylvatica scrub; W21 Crataegus monogyna - Hedera helix scrub

  7. British NVC community W2 - Wikipedia

    en.wikipedia.org/wiki/British_NVC_community_W2

    NVC community W2 (Salix cinerea - Betula pubescens - Phragmites australis woodland) is one of the woodland communities in the British National Vegetation Classification system. It is one of seven woodland communities in the NVC classed as "wet woodlands". This is a fairly locally distributed community. There are two subcommunities.

  8. List of Betula species - Wikipedia

    en.wikipedia.org/wiki/List_of_Betula_species

    Betula platyphylla (Betula pendula var. platyphylla) - Siberian silver birch; Betula populifolia - Gray birch; Betula szechuanica (Betula pendula var. szechuanica) - Sichuan birch; Tetraploid (4n = 56). Betula celtiberica - Iberian white birch; Betula pubescens - White birch, European white birch or downy birch Betula pubescens subsp. tortuosa ...

  9. British NVC community W17 - Wikipedia

    en.wikipedia.org/wiki/British_NVC_community_W17

    NVC community W17 (Quercus petraea - Betula pubescens - Dicranum majus woodland) is one of the woodland communities in the British National Vegetation Classification system. It is one of the six communities falling in the "mixed deciduous and oak/birch woodlands" group.