Hugh Knott: Achillea ptarmica (Sneezewort)
Hugh Knott: Achillea ptarmica (Sneezewort)
Hugh Knott: Achillea ptarmica (Sneezewort)
Hugh Knott: Achillea ptarmica (Sneezewort)
Hugh Knott: Antennaria dioica (Mountain Everlasting)
Hugh Knott: Arctium minus (Lesser Burdock)
Hugh Knott: Aster tripolium (Sea Aster)
Hugh Knott: Aster tripolium (Sea Aster)
Hugh Knott: Bidens tripartita (Trifid Bur-marigold)
Hugh Knott: Bidens tripartita (Trifid Bur-marigold)
Hugh Knott: Carduus tenuiflorus (Slender Thistle)
Hugh Knott: Carduus tenuiflorus, Slender Thistle
Hugh Knott: Carlina vulgaris (Carline Thistle)
Hugh Knott: Carlina vulgaris (Carline Thistle)
Hugh Knott: Carlina vulgaris (Carline Thistle)
Hugh Knott: Carlina vulgaris (Carline Thistle)
Hugh Knott: Centaurea nigra (Common Knapweed)
Hugh Knott: Cirsium vulgare (Spear Thistle)
Hugh Knott: Crepis capillaris (Smooth Hawk's-beard)
Hugh Knott: Eupatorum cannabinum (Hemp Agrimony)
Hugh Knott: Eupatorum cannabinum (Hemp Agrimony)
Hugh Knott: Gnaphalium uliginosum (Marsh Cudweed)
Hugh Knott: Hieracium sect. sabauda (Hawkweed)
Hugh Knott: Hieracium umbellatum sect. hieracioides (Umbellate Hawkweed)
Hugh Knott: Hieracium umbellatum sect. hieracioides (Umbellate Hawkweed)
Hugh Knott: Hypochaeris glabra (Smooth Cat's-ear)
Hugh Knott: Inula crithmoides (Golden-samphire)
Hugh Knott: Leontodon helveticus (Swiss Hawkbit)
Hugh Knott: Leontodon saxatilis (Lesser Hawkbit)
Hugh Knott: Petasites fragrans (Winter Heliotrope)