Geographical guide to floras of the world: An annotated list with special refere
Blake, S.F., Atwood, A.C.
Geographical guide to floras of the world: An annotated list with special refere - Washington 1942 - 1-335 p. - United States Department of A .
Geographical guide to floras of the world: An annotated list with special refere - Washington 1942 - 1-335 p. - United States Department of A .