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Polyporus resinosus (Ischnoderma benzoinum)
Polyporus sulphureus (Laetiporus sulphureus)
Polyporus sulphureus (Laetiporus sulphureus)
Polyporus sulphureus (Laetiporus sulphureus)
Polyporus versicolor (Trametes versicolor)
Polyporus versicolor (Trametes versicolor)
Polyporus versicolor (Trametes versicolor)
Polyporus versicolor (Trametes versicolor)
Polyporus versicolor (Trametes versicolor)
Polyporus versicolor (Trametes versicolor)
Polyprous adustus (Bjerkandera adusta), close up
Polyprous resinosus (Ischnoderma benzoinum)
Polystichum lonchitis, sori, close up
Polystichum lonchitis, sori, close up
Polystichum lonchitis, sori, close up
Polystictus pergamenus (Trichaptum biforme)
Polystictus pergamenus (Trichaptum biforme)
Polystictus versicolor (Trametes versicolor)
Polytrichum bed, male and female with sporophytes
Polytrichum commune
Polytrichum commune
Polytrichum commune
Polytrichum commune in fruit
Polytrichum, male and female sporophytes, close up
Pontederia cordata (Hydrocharis dubia)
Pontederia cordata (Hydrocharis dubia)
Pontederia cordata (Hydrocharis dubia)
Pontederia cordata (Hydrocharis dubia)
Pontederia cordata (Hydrocharis dubia)
Populus alba leaf and Silver Poplar leaf
Populus alba leaves
Populus alba leaves
Populus balsamifera
Populus balsamifera
Populus balsamifera
Populus balsamifera leaves
Populus deltoides
Populus deltoides fruits and seeds
Populus deltoides, leaf of, venation
Populus forest along Highway Number 1 near Grand Marais and the border
Populus Gall causing friction against rock
Populus leaf, venation
Populus leaves
Populus leaves
Populus nigra in early spring
Populus nigra in early spring
Populus nigra leaf
Populus nigra leaf
Populus nigra Tree in early spring
Populus nigra Tree in early spring