Knowledge without frontiers Knowledge Without Frontiers | Page 38

Piskernik (right) with a friend under a waterfall in the Trenta Valley, 1950.
Archives of the Republic of Slovenia.
PISKERNICA
GUARDIAN OF NATURE
Without her unwavering efforts Slovenia
would not have had its only national park, Tri-
glav National Park, and the Juliana Alpine Bo-
tanical Garden in the Trenta Valley would not
have been preserved.
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In 1941 she wrote the first complete Sloveni-
an identification keys for flowering plants and
ferns. The book, which covers 2,222 plant spe-
cies, is her most important botanical work and
generations have used it to learn about Sloveni-
an flora. In botanical circles, the book came to be
called Piskernica.