1. Eurasia except southern Russia; northern North America
   - wood horsetail

Type of: horsetail

• Trigonella ornithopodioides
• trigonometric
• trigonometric function
• trigonometrical
• trigonometrician
• trigonometry
• trigonum cerebrale
• trigram
• trigraph
• trihedral
• trihydroxy
• triiodomethane
• triiodothyronine
• trike
• trilateral
• trilby
• trilinear
• trilingual
• Trilisa
• Trilisa odoratissima
• trill
• trilled
• Trilliaceae
• Trilling
• trillion