Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
. Phytotaxa [Internet]. 2021 Sep. 3 [cited 2025 Apr. 8];518(2):109-42. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.518.2.3