central Apennines' endemic which represents, at present, an endangered species due to
indiscriminate harvest for commercial purposes, mainly liqueur production. Medium
composition, and in particular the presence of CaCO3, influenced the rate of propagation
which, under optimal conditions, reached an average of 30-35 shoots/explant. After in vitro
rooting, and transfer to soil, a number of plantlets suitable for reintroduction in nature were …