Walston, Joseph R. T., and Kenneth M. Cameron. 2026. “When Damage Becomes Diagnostic: Cracked Herbarium Specimens Reveal a New Taxonomic Character in Heliamphora (Sarraceniaceae)”. Phytotaxa 756 (2). Auckland, New Zealand:207-12. https://doi.org/10.11646/phytotaxa.756.2.11.