1. Perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
   - frostweed, frost-weed, frostwort, Helianthemum canadense

Type of: helianthemum, sun rose, sunrose

• genus Dinornis
• genus Diodon
• genus Diomedea
• genus Dionaea
• genus Dioon
• genus Dioscorea
• genus Diospyros
• genus Diphylla
• genus Dipladenia
• genus Diplococcus
• genus Diplodocus
• genus Diplopterygium
• genus Diplotaxis
• genus Dipodomys
• genus Dipogon
• genus Dipsacus
• genus Dipsosaurus
• genus Dipteronia
• genus Dipteryx
• genus Dipus
• genus Dirca
• genus Disa
• genus Discina
• genus Dodonaea
• genus Dolichonyx