Não informado. Contribution from the Laboratories of Cryptogamic Botany and the Farlow Herbarium of Harvard University. Farlow Herbarium of Harvard University, Laboratories of Cryptogamic Botany.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Contribution from the Laboratories of Cryptogamic Botany and the Farlow Herbarium of Harvard University. Cambridge, Mass: Farlow Herbarium of Harvard University, Laboratories of Cryptogamic Botany.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Contribution from the Laboratories of Cryptogamic Botany and the Farlow Herbarium of Harvard University. Farlow Herbarium of Harvard University, Laboratories of Cryptogamic Botany.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.