title: Impact of growing conditions on vegetation, development and reproductive success of &lt;i&gt;Orchis purpurea&lt;/i&gt; Huds. in the South-Eastern Crimea
abstract: The individual and population parameters of lady orchis — Orchis purpurea Huds. (Orchidaceae) under different growing conditions are compared. The onthogenetic type of cenopopulations, age, efficiency, recovery indices, vitality of individuals, plasticity index are determined. The largest number of plants is noted in forest communities. Demographical and morphological parameters differ nonsignificantly. Slight fluctuations in the vitality of individuals are noted depending on the habitat and the
journal: Известия Российской академии наук Серия биологическая