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Polemonium reptans
Pollen of epilobium, etc.
Pollination in Artistolochia, chart and diagram
Pollination in Asclepias
Pollination in Cypripedium, etc.
Pollination in Epilobium
Pollination in Epilobium, chart, diagram
Pollination in Epilobium, chart, diagram
Pollination in Lily, diagram from chart
Pollination in Lythrum, chart and diagram
Pollination in Monkey Flower
Pollination in Orchid, chart and diagram
Pollination in Petunia, diagram, text, and figure
Pollination in raspberry, etc.
Pollination in Salvia, chart and diagram
Pollination in Salvia, chart and diagram
Pollinia (Chrysopogon), Orchis mascula
Polygala cruciata
Polygala cruciata
Polygala paucifolia
Polygala sanguinea
Polygala sanguinea
Polygala senega
Polygala senega
Polygonatum biflorum
Polygonatum biflorum
Polygonatum commutatum (Polygonatum biflorum)
Polygonatum commutatum (Polygonatum biflorum)
Polygonatum commutatum (Polygonatum biflorum) in fruit
Polygonatum commutatum (Polygonatum biflorum) in fruit
Polygonum
Polygonum
Polygonum aviculare
Polygonum persicaria
Polygonum persicaria
Polypodium
Polypodium
Polypodium
Polypodium on a great tree trunk
Polypodium vulagare on rock cliff
Polypodium vulagare, sori
Polypodium vulgare
Polypodium vulgare
Polypodium vulgare, home garden
Polypodium vulgare in home rock garden
Polypodium vulgare nestling among rocks
Polypodium vulgare on top of rock ledge
Polypodium vulgare, sori
Polyporus adustus (Bjerkandera adusta)
Polyporus adustus (Bjerkandera adusta)
Polyporus adustus (Bjerkandera adusta), pores
Polyporus adustus (Bjerkandera adusta), pores, etc.
Polyporus betulinus (Piptoporus betulinus)
Polyporus betulinus (Piptoporus betulinus)
Polyporus betulinus (Piptoporus betulinus)
Polyporus betulinus (Piptoporus betulinus)
Polyporus cinnabarinus (Pycnoporus cinnabarinus)
Polyporus cinnabarinus (Pycnoporus cinnabarinus), lower surface
Polyporus conchifer (Poronidulus conchifer) on American Elm
Polyporus conchifer (Poronidulus conchifer) on American Elm, nearer view
Polyporus frondosus (Grifola frondosa)
Polyporus pergamenus (Trichaptum biforme)
Polyporus picipes (Polyporus badius)
Polyporus picipes (Polyporus badius), near view
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