Gratiola is a genus of plants in the Plantaginaceae family. Most species are known generally as hedgehyssops.

Species include:

• Gratiola aurea - golden hedgehyssop
• Gratiola brevifolia - sticky hedgehyssop
• Gratiola ebracteata - bractless hedgehyssop
• Gratiola flava - yellow hedgehyssop
• Gratiola floridana - Florida hedgehyssop
• Gratiola heterosepala - Boggs Lake hedgehyssop
• Gratiola hispida - rough hedgehyssop
• Gratiola neglecta - clammy hedgehyssop
• Gratiola officinalis - common hedgehyssop
• Gratiola pilosa - shaggy hedgehyssop
• Gratiola ramosa - branched hedgehyssop
• Gratiola virginiana - roundfruit hedgehyssop
• Gratiola viscidula - Short's hedgehyssop

External links

• Jepson Manual Treatment
• http://www.mobot.org/MOBOT/Research/APweb/
• http://132.236.163.181/index.html?/DiversityOfLife.org
• http://www.ppp-index.de/
• http://www.homolaicus.com/scienza/erbario/utility/botanica_sistematica/