Scotland
1,500 lichens and nearly 1,000 bryophytes. The total number of vascular species is low by world standard but
lichens and bryophytes are abundant and the latter form a population of global importance. Various populations
of rare fern exist, although the impact of 19th century collectors threatened the existence of several species. The
flora is generally typical of the north west European part of the Palearctic ecozone and prominent features of
the Scottish flora include boreal Caledonian forest (much reduced from its natural extent), heather moorland and
coastal machair. In addition to the native varieties of vascular plants there are numerous nonnative
introductions, now believed to make up some 43% of the species in the country.
The are a variety of important trees species and specimens; a Douglas Fir near Inverness is the tallest tree in the
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