Borovichev E.A. Botanical excursion on the Northern Soroya. Hammerfest, 2014.

Brittlefern (Cystopterisfragilis) is a smallfern with veryfragilefronds, as its Latin name means. It is very common and widely distributed in alpine and subalpine zone, on banks and cliffs, under shelves and in rock crevices Northern Holly Fern (Polystichum lonchitis) is an evergreenfern with erect linearfronds. The sori on the lower side o fthefronds are covered by grayish white indusium. Northern Holly Fern grows in rock crevices or at the base o fboulders Parsley Fern (Cryptogramma crispa) has separate sterile andfertilefronds. It grows amidst rocks and boulders in alpine zone Common Polypody (Polypodium vulgare) is a smallfern with leatheryfronds ('leaves ’). On the lower side o fthe fronds there arefound the sori with yellow to orange spores. Common Polypody inhabits shady rock cracks and ledges in alpine and subalpine zone 70