Species List:

Polytrichum commune                            

Polytrichum formosum

Polytrichum hyperboreum

Polytrichum jensenii

Polytrichum juniperinum

Polytrichum longisetum

Polytrichum ohioense

Polytrichum pallidisetum

Polytrichum piliferum

Polytrichum strictum

Polytrichum swartzii

Polytrichum xanthopilum

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