Psilotum nudum

References

1. [1]Bihrmann's Caudiciforms — http://www.bihrmann.com/caudiciforms/ ↩︎An internet site giving information on caudiciform plants (plants with swollen stem bases such as the Baobab tree, cycads and many succulents). Excellent photos, usually of cultivated plants in pots.
2. [2]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
3. [3]Hawaiian Ethnobotany Online Database — http://www2.bishopmuseum.org/ethnobotanydb/index.asp ↩︎Brief details on over 100 species of Hawaiian plants.
4. [4]Ferns and Fern Allies of Guatemala — Field Museum of Natural History · 1981 · http://www.biodiversitylibrary.org ↩︎A flora of the ferns of Guatemala, giving some plant uses. It can be downloaded from the Internet.
5. [5]Cornucopia II — Facciola. S. · Kampong Publications, California. · 1998 · ISBN 0-9628087-2-5 ↩︎The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.