De flora van Arnhem, toen en nu
Gorteria Dutch Botanical Archives , Volume 9 - Issue 5 p. 127- 137
Between 1923 en 1933 Prof. Van Soest published a series of 8 papers about the Flora of Arnhem. Between 1970 and 1978 this area has been investigated again and the author mentions a great number of interesting data with reference to both investigations.
|537666.jpg Cover Image , 8kb|