Gratiola heterosepala is a species of flowering plant known by the common name Boggs Lake hedgehyssop. It is native to northern California, where it grows...

Estes – (Georgia and South Carolina) Gratiola griffithii Hook.f. – (Assam and Guangdong) Gratiola heterosepala H.Mason & Bacigal. – Boggs Lake hedgehyssop...

Euphrasia hudsoniana Glossostigma diandrum Gratiola aurea Gratiola ebracteata Gratiola linifolia Gratiola neglecta Gratiola officinalis Ilysanthes rotundifolia...