spore type - modified siphonostele protostele few...

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spore type Selaginella, Isoetes heterosporous; Lycopodium homosporous homosporous; some fossil members heterosporous homosporous water ferns heterosporous; all others homosporous leaves microphylls microphylls none megaphylls steles mostly protosteles
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Unformatted text preview: modified siphonostele protostele few protosteles; mostly siphonosteles (and complex modifications) sporangia on sporophylls on sporangiophores in stroboli lobed lateral; synangia on sporophylls; many clustered in sori...
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