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The leaf of a fern
![](/public/Final-Images/PL_Final685z_051-100/PL0099_685zPolypodiumLeafScan.jpg)
Legend:
1 sorus
2 leaf blade
English name: Common fern
Scientific name: Polypodium vulgare
Familia: Polypodiaceae
Classis: Filicopsida
Phylum: Pteridophyta
Regnum: Plantae
The leaf of a fern. The sorus contains the sporangia in which spores are formed.