Betula in the World and Arboreta IDS Study week-end Devon UK
Betula globispica - Arboretum Wespelaar
Betula globispica - Arboretum Wespelaar
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The genus <strong>Betula</strong> - Classification crossed with geographical distribution (2011.1008)<br />
SUBGENUS<br />
Section<br />
NIPPONOBETULA<br />
Nipponobetula<br />
ASPERAE<br />
Europe<br />
Western<br />
Asia<br />
Caucasus Himalaya W. Ch<strong>in</strong>a,<br />
(Yun.,Sich.,<br />
Guiz.)<br />
calcicola<br />
C&E. Ch<strong>in</strong>a Siberia Korea,<br />
M<strong>and</strong>sh.<br />
Japan<br />
corylifolia<br />
Asperae potan<strong>in</strong>ii schmidtii schmidtii schmidtii<br />
Asperae bomiensis delavayi fargesii chichibuensis<br />
skvortsovii<br />
Ch<strong>in</strong>enses fargesii ch<strong>in</strong>ensis ch<strong>in</strong>ensis globispica<br />
Western North<br />
America<br />
Eastern<br />
North<br />
America<br />
Lentae medwediewii <strong>in</strong>signis grossa lenta<br />
megrelica<br />
murrayana<br />
alleghaniensis<br />
ACUMINATAE alnoides alnoides alnoides<br />
cyl<strong>in</strong>drostachya cyl<strong>in</strong>drostachia cyl<strong>in</strong>drostachia maximowicziana<br />
lum<strong>in</strong>ifera lum<strong>in</strong>ifera<br />
BETULA<br />
Dahuricae raddeana dahurica 8x dahurica 8x dahurica 6x nigra<br />
utilis aggr.<br />
Costatae (jacquemontii - utilis - albos<strong>in</strong>ensis) ermanii ermanii<br />
ashburneri costata costata<br />
<strong>Betula</strong> celtiberica (microphylla/tianshanica) occidentalis<br />
pubescens pubescens populifolia<br />
p<strong>end</strong>ula p<strong>end</strong>ula p<strong>end</strong>ula aggr. papyrifera papyrifera<br />
(szechuanica, m<strong>and</strong>shurica m<strong>and</strong>shurica m<strong>and</strong>shurica) neoalaskana cordifolia<br />
Apterocaryon humilis humilis / fruticosa fruticosa fruticosa pumila pumila<br />
nana gl<strong>and</strong>ulosa gl<strong>and</strong>ulosa<br />
gmel<strong>in</strong>ii gmel<strong>in</strong>ii/apoiensis michauxii<br />
This table is based on McAlistair (2011), Skvortsov (2002),<br />
compiled by Philippe de Spoelberch for <strong>the</strong> <strong>IDS</strong> <strong>Betula</strong> Syposium 9 October 2011
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