Where to see a Spiny Softshell in the US
State parks in counties where the Spiny Softshell is observed, by state (research-grade iNaturalist records; live sighting data on every park page):
- California — 110 parks
- Texas — 99 parks
- Ohio — 91 parks
- Iowa — 81 parks
- Missouri — 73 parks
- Minnesota — 67 parks
- Illinois — 60 parks
- New York — 49 parks
- Oklahoma — 45 parks
- Michigan — 42 parks
- Indiana — 41 parks
- Wisconsin — 40 parks
- Pennsylvania — 36 parks
- South Carolina — 35 parks
- Tennessee — 35 parks
- Nebraska — 33 parks
- Alabama — 30 parks
- Kansas — 24 parks
- New Mexico — 24 parks
- Arkansas — 22 parks
- Georgia — 21 parks
- Massachusetts — 20 parks
- Arizona — 18 parks
- Louisiana — 17 parks
- Vermont — 16 parks
- Kentucky — 16 parks
- Mississippi — 15 parks
- West Virginia — 14 parks
- Colorado — 14 parks
- Washington — 14 parks
- North Carolina — 13 parks
- Florida — 11 parks
- Maryland — 10 parks
- New Jersey — 7 parks
- South Dakota — 7 parks
- Nevada — 7 parks
- Montana — 6 parks
- Wyoming — 5 parks
- Utah — 4 parks