valley of narcissi in khust, ukraine

amaryllidaceae amaryllidoideae amaryllis angustifolius aroma biogeocenose biogeocenosis biosphere blossom blossoming botanic botanical botany bright carpathian clouds conservation cultural culture daffodil ecology environment environmental europe field flora flower forest fragile fragrance grass green growth heritage khust meadow monitoring mountain narcissi narcissus narcissuses natural nature plant protected protection rare reserve resource scenery sky spring summer system tender tourism transcarpathia travel tree ukraine unesco unique valley vegetation white wild yellow zone