Swertia - Wikipedia en.wikipedia.org

Swertia perennis -... en.wikipedia.org

Jelitto Perennial Seed |... www.jelitto.com

Swertia iberica Fisch. ex... powo.science.kew.org

Southwest Colorado... www.swcoloradowildflowers.c...

Swertia bimaculata -... en.wikipedia.org

Swertia L. | Plants of the... powo.science.kew.org

Swertia Japonica |... blackwoodformen.com

Swertia cordata -... www.flowersofindia.net

Swertia bimaculata (Siebold... powo.science.kew.org

Swertia perennis |... www.gardeninginiceland.com

Swertia perennis subsp.... species.wikimedia.org

Ethanopharmacology,... www.sciencedirect.com

Swertia multicaulis -... www.flowersofindia.net

Swertia Images – Browse 152... stock.adobe.com

Swertia angustifolia A.... www.researchgate.net

Swertia chirayita (Roxb. ex... link.springer.com

File:Swertia japonica... commons.wikimedia.org

Swertia perennis | Felwort... medivetus.com

species) swertia perennis -... fieldguide.mt.gov