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Up to now, 927 plant species (vascular plants) have been documented through biotope mapping in the Kalkalpen National Park. This represents about one third of all plant species that exist in Austria! Many of these species have already become rare here and are on the “Red List”.
59 species are partially or fully protected by the Upper Austrian Nature Conservation Act. In the course of biotope mapping, a total of 14 of the 18 plant species endemic to Upper Austria have been documented. 42 different varieties of orchids grow in Kalkalpen National Park. The largest and probably best known species is the lady's slipper orchid.
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