Language: French with bilingual abstract in English and French
The presence in the Vogesian Mountain of plants living on limestone (calcicole plants) or on rocks rich in bases (basophile plants) is linked: 1° to the substratum: 9 geological situations are described; 2° other sources of limestone: 6 parameters are cited. A card-index for 200 sites containing limestone, as well as a list of about 280 plants whose stations are given in an abridged code are published.