Preliminary status of the Danish flora [Denmark. [Danish

• Main Authors: Loejtnant B, Worsoee E
• Format: Book
• Language: Danish
• Published: 1978

The Danish flora contains approximately 1200 species of Tracheophyta (excl. apogamous microspecies). About 200 of these are naturalized anthropochorous species (archaeophytes and epoikophytes) and the number of species indigenous to Denmark is hardly more than 1.000 though an average Danish flora contains more than 1.500 spp. due to the fact that most floras include a number of notnaturalized anthropochorous species (ephemerophytes). In this work the greatest importance is attached to the indigenous species, less being given to the naturalized species while the status of the over 1.300 more or less uncommon ephemerophytes which have been found in Denmark have not been emphasized in detail. Apogamous microspecies have not been worked up either. The indigenous species decrease qualitatively (number of species) and especially quantitatively (number of reproducing populations) in a modern industrial and agricultural country like Denmark. But at the same time and due to human influence upon nature the anthropochorous species, which are usually synathropic, increase in diversity and this increase takes place at the expense of the indigenous species. In fact the anthropochorous species represent a 'flora pollution'. Most of the anthropochorous species are inconstant and they are mostly found in city-areas, along roads, in fields and gardens etc. and it is rarely possible or desirable to protect such areas. All in all, from a nature conservation point of view, it is appropriate to distinguish between indigenous and anthropochorous species.