@article{articlea6643b7b,
title   = {Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)},
author = {Ferreira, Paola de Lima and Antonelli, Alexandre and Groppo Júnior, Milton},
year = {2021},
doi = {10.11646/phytotaxa.518.2.3},
journal   = {Phytotaxa}
}