skos:altLabel | - ferns
- ''Pteridophytes''
- Ferns and allies
- Free-sporing vascular plants
- Pteridophyta
- Pteridophytes
- Pteridophytic
- Pteridopyte
- Spore-bearing plants
- fern relatives
- peridophyte
- pteridophyte
- pteridophytes
- seedless vascular plant
- seedless vascular plants
- spore-bearing plants
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