The great taxonomic diversity of the Orchidaceae is often attributed to adaptive radiation for
specific pollinators driven by selection for outcrossing. However, when one looks beyond the …

Lady's slipper orchids (Cypripedium spp.) are rare terrestrial plants that grow throughout the
temperate Northern Hemisphere. Like all orchids, they require mycorrhizal fungi for …

Summary 1 Cypripedium calceolus L. is an emblematic long‐lived clonal orchid which has
suffered an alarming decline throughout Eurasia. We performed a population viability …

Spiranthes romanzoffiana Cham. is restricted in Europe to the British Isles, where it is
recognised as a conservation priority species due to frequent extirpation of populations …

Three populations of the rare and endangered plant species Cypripedium calceolus were
included in a study of genetic diversity and spatial genetic structure in the Biebrza National …

Romania hosts a relatively high species diversity, including 3,829 vascular and 979 non-
vascular spontaneous plant taxa. Multiple national red lists exist, with the number of taxa …

Background and Aims Nuclear DNA content (C-value) varies approximately 1000-fold
across the angiosperms, and this variation has been reported to have an effect on the quality …

Abstract Background and Aims Cypripedium calceolus, although widespread in Eurasia, is
rare in many countries in which it occurs. Population genetics studies with nuclear DNA …

Background: Elymus L. is the largest genus in the Triticeae tribe. Most species in this genus
are highly stress resistant, with excellent forage value. Elymus breviaristatus, a rare species …

In plants capable of clonal reproduction, demographic and ecological investigations are
essential for understanding the factors contributing to population diversity. The perennial …