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Genus: Birch (Betula)

YearArter/grupperLocalitiesParticipantsObservations
20244292949
20233333040
2022711175241
20215463390
202047955226
20194464563
20183403574
20173333244
20163403654
20153504494
201455850104
201346460111
201235855102
20114585679
201048580172
20092737095
20082189180232
20073305296392
20061552596
200516235135
20041593896
200317169112
20021221924
20011434049
19991112
19971111
19961111
19941111
19932222
19902444
19893555
Totalt alle år910878382790