Hugh Knott: Coeloglossum viride (Frog Orchid) and Hieracium piliferum (Hairy Hawkweed)
Hugh Knott: Coeloglossum viride (Green Frog-orchid)
Hugh Knott: Corallorhiza trifida (Coralroot Orchid)
Hugh Knott: Dactylorhiza cruenta (Early Marsh Orchid)
Hugh Knott: Dactylorhiza cruenta (Freckled Marsh Orchid)
Hugh Knott: Dactylorhiza cruenta (Freckled Marsh Orchid)
Hugh Knott: Dactylorhiza spp (a Marsh Orchid species)
Hugh Knott: Dactylorhiza spp (a Marsh Orchid species)
Hugh Knott: Dactylorhiza spp (a Marsh Orchid species)
Hugh Knott: Dactylorhiza spp (a Spotted/Marsh Orchid species)
Hugh Knott: Epipactis atrorubens (Dark Red Helleborine)
Hugh Knott: Epipactis atrorubens (Dark Red Helleborine)
Hugh Knott: Gymnadenia conopsea (Fragrant Orchid)
Hugh Knott: Gymnadenia conopsea (Fragrant Orchid)
Hugh Knott: Listera ovata (Twayblade)
Hugh Knott: Listera ovata (Twayblade)
Hugh Knott: Nigritella rhellicani (Black Vanilla Orchid)
Hugh Knott: Nigritella rhellicani (Black Vanilla Orchid)
Hugh Knott: Nigritella rhellicani (Black Vanilla Orchid)
Hugh Knott: Orchis mascula (Early Purple Orchid)
Hugh Knott: Gymnadenea conopsea (Fragrant Orchid) & Nigritella rhellicani (Black Vanilla Orchid)