Distribution map of Dryopteris pseudodisjuncta in Poland (in regions) (source: Tlalka D. 2015. Dryopteris affinis (Lowe) Fraser-Jenk. s. str. i D. pseudodisjuncta (Tavel ex Fraser-Jenk.) Fraser-Jenk. - nowe gatunki we florze Polski. Acta Botanica Silesiaca, 11. 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 in &gt;10 of plots 10x10 km); light green - rare species (10 or fewer number of plots 10x10 km; including historical)
Own work
Kenraiz