1. Horsetails and related forms
   - Sphenopsida, class Sphenopsida, Equisetatae

Type of: class

Part of: division Pteridophyta, Pteridophyta

• lighthearted
• lightheartedness
• Lighthorse Harry Lee
• lighthouse
• lighthouse keeper
• lighting
• lighting circuit
• lighting fixture
• lighting industry
• lighting-up
• lightless
• lightlessness
• lightly
• lightly armored
• lightly armoured
• lightly-armed
• lightness
• lightning
• lightning arrester
• lightning bug
• lightning conductor
• Lightning Hurler
• lightning rod
• lightproof
• lights-out