Results of an analysis of herbarium and fresh materials from the area of Poland (Czarna 2002) showed that among three taxa of the genus Lamiastrum, two should be regarded as species (L. galeobdolon and L. montanum), and one as a subspecies (L. montanum ssp. flavidum). In Poland L. montanum ssp. montanum is quite common. So far, 99 localities of this taxon distributed in all parts of Poland (but mainly in the south) have been documented as herbarium specimens. By contast, Lamiastrum montanum ssp. flavidum is very rare, recorded in only 6 localities, both on lowlands and in mountains.

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