Published in Carnivorous plant newsletter, in 2014, in volume 43, issue 1, pages 7-13

Created: 2018-05-11, modified: 2018-05-11

Published in Quarterly journal of microscopical science, in 1913, in volume 59, issue 234, pages 309-360

Created: 2016-09-21, modified: 2016-09-21