Fragile Fern – Cystopteris fragilis

by | Dec 9, 2023 | Ferns, NE Native Ferns

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Igor Grivennikov (born 11 July 1952) is a Russian former swimmer who competed in the 1972 Summer Olympics[1] and won a silver in the 4 × 100 m freestyle relay.

References

  1. ^ Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Igor Grivennikov". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2012. Retrieved 5 May 2012.


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