Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 1, pages 10-15

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 1, pages 15-16

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 1, pages 17-20

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 1, pages 20-22

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 2, pages 34-36

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 2, pages 38-40

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 2, pages 41-44

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 2, pages 47-50

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 61-67

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 68-69

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 72-73

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 74-76

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 79-81

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 3, pages 82-83

Published in Carnivorous plant newsletter, in 1984, in volume 13, issue 4, pages 91-94