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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cape May
436
257,929
2 Ocean
400
93,351
3 Monmouth
398
84,720
4 Atlantic
381
58,302
5 Cumberland
346
22,703
6 Bergen
345
78,763
7 Burlington
343
51,980
8 Middlesex
338
44,797
9 Hudson
329
22,021
10 Salem
326
14,623
11 Hunterdon
323
58,813
12 Sussex
316
33,893
13 Morris
310
59,649
14 Gloucester
307
37,100
15 Warren
300
22,159
16 Mercer
299
61,347
17 Somerset
294
55,362
18 Passaic
283
28,865
19 Union
283
20,841
20 Camden
281
27,070
21 Essex
279
20,703