Jan Schlauer: A dichotomous key to the genus Drosera L. (Droseraceae). In: Carnivorous Plant Newsletter. Bd. 25, 1996, ISSN0190-9215, S. 67–88, hier S. 73, (Digitalisat (PDF; 1 MB)).
Jan Schlauer: A dichotomous key to the genus Drosera L. (Droseraceae). In: Carnivorous Plant Newsletter. Bd. 25, 1996, ISSN0190-9215, S. 67–88, hier S. 73, (Digitalisat (PDF; 1 MB)).