This is a preview. Log in through your library . Abstract Polytrichum commune is a perennial moss that grows by rhizomatous production of interconnected shoots. It possesses a well-developed internal ...

Polytrichum commune Hedw. is susceptible to attack by Myzodium modestum Hottes, a moss aphid. Scanning electron micrographs indicate that aphids feed by insertion of needlelike stylets into moss ...

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