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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cumberland
382
132,800
2 York
377
94,972
3 Lincoln
353
42,168
4 Hancock
347
99,266
5 Washington
347
31,640
6 Knox
344
32,229
7 Sagadahoc
334
22,366
8 Waldo
298
35,039
9 Penobscot
288
41,903
10 Kennebec
280
41,192
11 Somerset
259
10,863
12 Aroostook
258
12,103
13 Androscoggin
246
10,466
14 Oxford
242
18,363
15 Franklin
223
10,511
16 Piscataquis
220
13,001