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What are the fern allies?
- scouring rushes
- club moss
- spike moss (Selaginella)
- quillworts (Isoetes)
Life cycle of the horsetail
sporophyte (with root, rhizome, strobilus)--> sporangium on the strobili--> meiosis to produce spores--> spores-->antheridium and archegonium--> production of sperm and egg, respectively-->fertilization--> zygote--> sporophyte begins growing-->sporophyte
A common horsetail in PA has what?
separate vegetativ and reproductive shoots
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