American Journal of Botony Spatial genetic structure of a tropical understory shrub, PSYCHOTRIA OFFICINALIS (RuBIACEAE)By nBette A. Loiselle, nVictoria L. Sork, nJohn Nason, nCatherine Graham, 29 years ago
American Journal of Botony Dioecy and its correlates in the flowering plantsBy nSusanne S. Renner, nRobert E. Ricklefs, 30 years ago