Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 1, pages 61-68

Created: 2018-10-08, modified: 2018-10-08

Published in Carnivorous plant newsletter, in 1985, in volume 14, issue 3, pages 74-76

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

Published in Carnivorous plant newsletter, in 1998, in volume 27, issue 1, pages 6-11

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

Published in Carnivorous plant newsletter, in 1997, in volume 26, issue 1, pages 19-20

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

Published in Carnivorous plant newsletter, in 1990, in volume 19, issue 3-4, pages 80-82

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Published in Carnivorous plant newsletter, in 1998, in volume 27, issue 1, pages 18-23

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

Published in Carnivorous plant newsletter, in 2000, in volume 29, issue 4, pages 109-116

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