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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cumberland
382
134,529
2 York
377
96,516
3 Lincoln
353
42,617
4 Hancock
347
100,208
5 Washington
347
31,805
6 Knox
345
32,684
7 Sagadahoc
334
22,536
8 Waldo
298
35,247
9 Penobscot
288
42,450
10 Kennebec
280
41,599
11 Somerset
259
10,909
12 Aroostook
258
12,271
13 Androscoggin
248
10,729
14 Oxford
243
18,475
15 Franklin
224
10,584
16 Piscataquis
220
13,041