Pollen morphology of Youngia and six related genera (Asteraceae: Cichorieae) and its systematic significance
. Phytotaxa [Internet]. 2013 Oct. 24 [cited 2025 Apr. 8];139(1):39–62. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.139.1.2