Knut Quelprud · 1913 · 87 plates
Yarrow, milfoil (1913)
1913
Hedge bedstraw (1913)
Couch, twitch-grass (1913)
Amphibious polygonum (1913)
Wood horse-tail (1913)
Common sorrel, Sheep’s sorrel (1913)
Hoary pepperwort, hoary cress (1913)