De bodemgesteldheid van het natuurreservaat "De Borkeld en het Elzenerveld"
In 1964 in the period from March 1 till december 1 and in 1965 from March 10 till november 30 author investigated the Nature Reserves of "Het Leudal" in the middle part of the province Limburg (Southern part of the Netherlands). This supplementary report contains a table giving a review of the situation of the species occurring in the Netherlands a...