Piper pseudonigrum

References

1. [1]Atlas of the Seed Plants of Cuc Phuong National Park, Vietnam. — http://fm2.fieldmuseum.org/plantatlas/default.asp ↩︎A project in its infancy (2010) listing the plants found in the Cuc Phuong National Park in Vietnam, often showing the habitat and photograph. Eventually it will give maps of plant distribution.
2. [2]Dictionary of Economic Plants. — Uphof. J. C. Th. · Weinheim · 1959 · ISBN - ↩︎An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.