New data of Gentiana lutea ssp. symphyandra (Gentianacea) in Bulgaria

Абстракт

Gentiana lute a ssp. symphyandra is a target species in the National System for monitoring of biodiversity in Bulgaria, where it is included in category 1 - Priority species. The control populations are located in the Central Balkan National Park (above the hut Tuzha), Vitosha Nature Park (below the locality Reznyovete), Rila National Park (localities Tiha Rila and Urdina reka) and in the Pirin National Park (locality Kazanite). The paper presents new data on the population structure (in terms of space and age) of Gentiana lute a subsp. symphyandra, its vegetation dynamics, reproductive capacity and participation in different phytocenoses and habitats. Eleven natural populations of the subspecies in five mountains located in four floristic regions and one subregion of Bulgaria were examined. Evidence for under the snow development of plants is reported for the first time. Prognosis and proposals for better protection of the species are given.

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