Duguetia rigida

References

1. [1]Duguetia (Annonaceae) (Flora Neotropica Monograph 88) — Maas P.J.M. et al · New York Botanical Garden, New York · 2003 · ISBN 9780893274511 ↩︎
2. [2]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
3. [PFAF]Plants for a Future — pfaf.org ↩︎