File:Plant Sperm.png
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References
Raven et al., Biology of Plants, 7th Edition, ISBN 0-7167-1007-2
- Diatom sperm: page 314
- Laminaria (kelp) sperm: page 320
- Fucus sperm: page 321
- Liverwort (Marchantia) sperm: page 355
- Moss (Polytrichum) sperm: page 363
- Lycopodium sperm: page 383
- Selaginella sperm: page 387
- Fern (Polypodium) sperm: page 397
- Psilotum sperm: page 401
- Equisetum sperm: page 405