Where to see a Gray Hairstreak in the US
State parks in counties where the Gray Hairstreak is observed, by state (research-grade iNaturalist records; live sighting data on every park page):
- California — 171 parks
- Texas — 105 parks
- Florida — 104 parks
- Oregon — 90 parks
- Oklahoma — 51 parks
- New Hampshire — 49 parks
- Washington — 45 parks
- Nebraska — 44 parks
- Kansas — 41 parks
- New Mexico — 39 parks
- Missouri — 36 parks
- Maryland — 28 parks
- Arkansas — 28 parks
- South Carolina — 26 parks
- Georgia — 26 parks
- Massachusetts — 25 parks
- Arizona — 25 parks
- Louisiana — 23 parks
- Connecticut — 22 parks
- Iowa — 22 parks
- Colorado — 22 parks
- Utah — 21 parks
- Illinois — 18 parks
- Idaho — 17 parks
- Mississippi — 15 parks
- North Carolina — 14 parks
- Virginia — 13 parks
- Kentucky — 13 parks
- Ohio — 13 parks
- New Jersey — 11 parks
- New York — 11 parks
- Alabama — 10 parks
- Nevada — 10 parks
- Indiana — 7 parks
- Pennsylvania — 5 parks
- Michigan — 4 parks
- South Dakota — 4 parks
- Tennessee — 3 parks
- Montana — 3 parks