Microsatellite markers for Aspidosperma polyneuron (Apocynaceae), an endangered tropical tree species - Ferreira-Ramos, Ronai; Monteiro, Mariza; Zucchi, Maria Imaculada; Pinheiro, José Baldin; Huaman, Carlos Alberto Martinez y; Mestriner, Moacyr Antonio; Alzate-Marin, Ana Lilia (American Journal of Botany, 2011)