1. Slender fern of northern North America with shining chestnut-coloured stipes and bipinnate fronds with usually distinct marginal sori
   - Alpine woodsia, northern woodsia, flower-cup fern

Type of: woodsia

• rhodonite
• Rhodope Mountains
• Rhodophyceae
• Rhodophyta
• rhodopsin
• Rhodosphaera
• Rhodosphaera rhodanthema
• Rhodymenia
• Rhodymenia palmata
• Rhodymeniaceae
• Rhoeadales
• rhomb
• rhombencephalon
• rhombic
• rhombohedral
• rhombohedron
• rhomboid
• rhomboid minor muscle
• rhomboid muscle
• rhomboidal
• rhomboideus major muscle
• rhombus
• rhonchus
• Rhone
• Rhone River