[Waterleaves: The Genus Hydrophyllum in the Cascade Mountains of Oregon and Washington]

Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf

Hydrophyllum capitatum var. thompsonii

Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf: Hydrophyllum capitatum var. thompsonii - Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf: Hydrophyllum capitatum var. thompsonii - Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf: Hydrophyllum capitatum var. thompsonii

Ballhead waterleaf spotted atop Monte Cristo, Monte Cristo Natural Area Preserve.......June 21, 2022.

Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf: Hydrophyllum capitatum var. thompsonii - Ballhead Waterleaf, Grandma's Pinchushion, Thompson's Waterleaf: Hydrophyllum capitatum var. thompsonii

Ballhead waterleaf blooming at left along the Surveyor's Ridge Trail #688 northwest of Gibson Prairie Horse Camp, Mount Hood National Forest......June 11, 2024. The image at right shows ballhead waterleaf in bloom along the Monte Cristo Trail #53, Gifford Pinchot National Forest......May 24, 2025.
Paul Slichter