| Apium repens, recorded for the last time in the Netherlands in 1961, was refound in 1983 at some localities in Zeeuwsch-Vlaanderen. In the past it occurred in four kinds of habitat: 1 wet pastures and banks along brooks, inundated in winter; 2 ditches at the fringe of peat areas; 3 wet dune slacks and 4 pastures along old creeks. From the first two kinds of habitat it has disappeared completely. At present one locality is known in the dune area (Schouwen, recorded in 1984). The other recent localities all belong to the fourth type, which is confined to Zeeuwsch-Vlaanderen. Fig. 1 shows the former and recent distribution of A. repens in the Netherlands (last record in the interior c. 1952). The creeks in whose vicinity A. repens was found (fig. 2) have long... |
