George Bowyer Rossbach
…Rhodora 41 (484): 113-128. https://www.jstor.org/stable/23302186 Rossbach, George B. (1940) Distributional notes on certain aquatic Utricularias in Quebec. Rhodora 42 (494): 52-53. https://www.jstor.org/stable/23301752 Rossbach, George Bowyer (1940) Erysimum in North America….