Stuepp, Carlos André, et al. “Quality of Clonal Plants of <i>Piptocarpha angustifolia< i> In Different Renewable Substrates and Seasons of the Year”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 11, Dec. 2016, pp. 1821-9, doi:10.1590/S1678-3921.pab2016.v51.23705.