Literature references

2 literature references:

Author: Desm.
Year: 1850
Title:
Source: In: Annls Sci. Nat., Bot., sér. 3 14: 5 [repr.]
Author: M.P. Sharma
Year: 1987
Title:
Source: In: in Sharma & Sharma, Annals of Biology, Ludhiana 3(1): 85