Photo 3837-12: Narrowleaf false dragonhead (Physostegia...Forest. Montgomery County, Texas

Narrowleaf false dragonhead (Physostegia digitalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas

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📅 Sat June 27, 2026 Search pictures taken on Sat June 27, 2026
💾 Download Full Size Highest-resolution version of the photo | 📷 Shooting data Sat 27 Jun 2026 10:34:16 - Exposure: 6 sec - Aperture: F/32. - Focal length: 100 mm - ISO 64 📊 Histogram Histogram Preview
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Sam Houston Forest - Lake Somerville, Texas, June 23 - 28, 2026

Album 3837: Sam Houston Forest - Lake Somerville, Texas, June 23 - 28, 2026

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