Distribution map of Abies alba in Poland (source: A. Zając &amp; M. Zając (red.) Atlas rozmieszczenia roślin naczyniowych w Polsce.Uniwersytet Jagielloński, Kraków, 2001 and https://commons.wikimedia.org/wiki/File:Poland_location_map_white.svg).
Natural occurence:
dark green - common species (occuring at least in half of plots 10x10 km);
green - not rare (present &gt;10 of plots 10x10 km);
light green - rare species (10 or less number of plots 10x10 km; including historical);
Area of introduction:
light orange - rare species (10 or less number of plots 10x10 km);

orange - not rare (present &gt;10 of plots 10x10 km, but less then half);
Own work
Krzysztof Ziarnek, Kenraiz