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

as exotic ornamental plants, and eventually spread to nearly every urban area. They flourish in almost every open space of Finnmark towns and villages and their surroundings. There are yet single and small localities o f invasive Hogweed on the north o f Soroya but it is necessary to remember that it is considered as the most dangerous invasive species in Europe and not to plant it in the gardens. Rhubarb (Rheum rhabarbarum) is grown in kitchen-gardens o f Soroyaprimarilyfor itsfleshy stalks , usedfor cooking. It persists near abandonedfarm houses and 'runs ’to brooks banks Photo N. Koroleva Fireweed (Chamaenerion angustifolium) is among the commonest and conspicuous plants throughout all its blooming timefrom July into August. It grows anywhere along roadsides, springs, in meadows, but it is most striking and abundant in burned-over land, where it is one o fthefirst plant pioneers to invade these inhospitable habitats. It is why it receives its name Hogweed (Heracleum sp.) was planted in northern Fennoscandia as ornamentalplant. Allelopathic features o fHogweed species were noted when its seeds inhibitedgermination andgrowth o fsome otherplants in Petri dishes 77