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Naturalistic description of the flora
Typical flora of the Cavaglia Glacier Garden

The presence and development of flora, especially at high altitudes as in this case, must be considered, at least insofar as its gradual territorial spread is concerned, as the result of an adaptation process lasting hundreds of thousands of years. This adaptation involves both external and, most importantly, internal factors, such as for example the acquisition of a suitable resistance to cold temperatures. All this happened, and goes on happening, through many small steps resulting in modifications of the conditions required for survival.

The flora that grows on stones and rock cracks is commonly known as pioneering flora: like a pioneer, it prepares the terrain for other flora. Typically, pioneering flora forms small cushions such as those of «Silene acaulis» or «Silene exscapa».

Sempervivum montana (Mountain houseleek)

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