1. Beech fern of North American woodlands having straw-coloured stripes
   - broad beech fern, southern beech fern, Phegopteris hexagonoptera, Thelypteris hexagonoptera

Type of: beech fern

• genus Adenium
• genus Adenota
• genus Adiantum
• genus Adlumia
• genus Adonis
• genus Aedes
• genus Aegiceras
• genus Aegilops
• genus Aegypius
• genus Aegyptopithecus
• genus Aeonium
• genus Aepyceros
• genus Aepyornis
• genus Aerides
• genus Aerobacter
• genus Aeschynanthus
• genus Aesculus
• genus Aethionema
• genus Aethusa
• genus Aetobatus
• dryness
• dryopithecine
• Dryopithecus
• Dryopithecus Rudapithecus hungaricus
• Dryopteridaceae