Aquatic remnant of Ancient Mediterranean flora: discovery of Callitriche lenisulca (Plantaginaceae) on the Black sea coast of Russiaстатья
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Дата последнего поиска статьи во внешних источниках: 28 октября 2020 г.
Аннотация:The subcosmopolitan genus Callitriche is comprised of 50–75 species that can usually bereliably distinguished only by their reproductive characters, a problem that leads to frequent misindentifications. Barcoding of the Callitriche samples, stored in the herbarium of Moscow state university (MW), allowed discovery C. lenisulca on the north-eastern coast of the Black sea in Russia. It is a new species for flora of Russia that was previously known only from the Mediterranean. The revealed locality belongs to the relic ecosystem of arid sub-Mediterranean forests. The observed genetic difference between the Russian sample and the Mediterranean samples suggests independent evolution of Russian population after fragmentation of a more or less continuous ancient Mediterranean vegetation. We also report a new locality for C. lenisulca in Lebanon where the species is a novelty to the Lebanon flora too.