Transkription:
Se:
Ovans, Alexander W[illiam]
Hepaticæ: Yale Peruvian expedition of 1911.
8º New Haven 1914.
New Haven. Connecticut Academy of arts and sciences.
Transactions. Vol. 18. pag. 291-345. April 1914.
Acta
N. Amer
Bot.
Krifpl.
Moss.