Literature references

3 literature references:

Author: Q. C. B. Cronk
Year: 1995
Title:
Source: In: Edinburgh J. Bot., 52(2): 211
Author: Gray
Year: 1888
Title:
Source: In: Proc. Am. Acad. 23: 227 in obs.
Author: Santapau
Year: 1949
Title:
Source: In: Kew Bull. 3: 491