![]() For 23 taxa the threatened situation is indeterminate. 110 taxa feature as »extinct«, while other IUCN-categories have to be applied as follows: »critical«: 122 taxa »endangered«: 213 »vulnerable«: 261 »susceptible«: 77 »near threatened«: 85 (showing a decline in population Harz mountains) in the southern parts of Lower Saxony. sea-marshes), lowland (T) between coast and the channel »Mittellandkanal«, and mountains/highlands (H, incl. For 806 (= 39,9 %) taxa this category applies in the whole of Lower Saxony and Bremen, while to another 191 (= 9,4 %) taxa, it applies only regionally for one or two of the following regions: coast (K, incl. Of all taxa included in the Red Data Book, 997 (= 49,3 %) feature as »threatened«. ![]() ![]() Further 344 non-established taxa were not included in the Red Data Book. 161 brambles (Rubus-fruticosus-group) which previously featured in a separate Red Data Book have also been included. For the time being, the Flora of Lower Saxony andīremen comprises 2.022 established taxa, including 222 neophytes and 58 hybrids. The results presented in these lists have been derived from data gathered from a special plant-mapping-Project in Lower Saxony, named »Pflanzenarten-Erfassungsprogramm«. criteria of Red Data Book categories), the lists have been adapted to national standards. In terms of nomenclature, taxonomy and methodology (e. This paper presents a new checklist as well as a new Red Data Book of the wild growing vascular plants recorded in Lower Saxony and Bremen.
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