Literature references

3 literature references:

Author: Maxwell,R.H.
Year: 1991
Title:
Source: In:Dassanayake,M.D. & Fosberg,F.R.(Eds.) A revised handbook
Author: Terrell,E.E.
Year: 1977
Title:
Source: Checklist of Names for 3,000 Vas.Pl... Agric.Handbook No.505
Author: Bailey,L.H.
Year: 1961
Title:
Source: Manual of cultivated plants. New York.