H. H. V.  ex ex Vilm. and ex ex Vilm., H. H. V., ?Fl. Pleine Terre, ed. 3: 713. 1870.?, 1870.

H. H. V.  ex ex Vilm. and ex ex Vilm., H. H. V., ?Fl. Pleine Terre (ed. 3) 752. 1870?, 1870.

H. H. V.  ex ex Vilm., ?Fl. Pleine Terre (ed. 3) 176. 1870?, 1870.