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Petalophyllum ralfsii (Wilson) Nees et Gottsche in Calabria: distribution, ecology and conservation
2022
Historia naturalis Bulgarica
This paper reports data on distribution of Petalophyllum ralfsii in Calabria (S Italy). Investigations conducted from 2016 to 2019 permitted to outline an updated and accurate overview on the number and size of the populations of the species in the region. New findings were recorded, while some known locations were not confirmed. The size of each population was measured by direct counting of thalli or by sampling with plots, enabling to have a reliable estimate of the species density. Analysis
doi:10.48027/hnb.44.022
doaj:1bd09ca8c4b14caea671b64007c2ce90
fatcat:h6bjprtf7vfpbi3bycxcfl35oe