1. European perennial St John's wort; Ireland and France to western Siberia
   - Hypericum tetrapterum, Hypericum maculatum

Type of: St John's wort

• Aberdeen Angus
• Aberdonian
• aberrance
• aberrancy
• aberrant
• aberrantly
• aberrate
• aberration
• aberrational
• abet
• abetalipoproteinemia
• abetment
• abettal
• abetter
• abettor
• abeyance
• abeyant
• abfarad
• abhenry
• abhor
• abhorrence
• abhorrent
• abhorrently
• abhorrer
• abidance