Typical understorey vegetation of moist spruce ecosystems includes the shrubs " Lonicera involucrata, Rosa acicularis, Shepherdia canadensis, Juniperus communis, Salix glauca, Betula glandulosa, Ribes lacustre, R . hudsonianum " and " Viburnum edule ", and the herbs " Cornus canadensis, Linnaea borealis, Epilobium angustifolium, Petasites palmatus, Fragaria virginiana, Equisetum arvense, Calamagrostis canadensis " and " Mitella nuda ".
32.
Cupressaceae is a widely distributed conifer family, with a near-global range in all continents except for Antarctica, stretching from 71�N in arctic Norway ( " Juniperus communis " ) south to 55�S in southernmost Chile ( " Pilgerodendron uviferum " ), while " Juniperus indica " reaches 5200 m altitude in Tibet, the highest altitude reported for any woody plant.
33.
Siliceous mountains such as the Sistema Central, Serra da Estrela, the Sistema Ib�rico of the region of Soria, and parts of the Cantabrian mountains, are covered by thickets of " Cytisus purgans " ( variously known as " Andorra broom ", " Provence broom ", or " Spanish gold hardy broom " ) or Alpine juniper ( " Juniperus communis " subsp . " alpina " ).
