“…Corney et al ., 2012; Ott et al ., 2020; Weaver et al ., 2020), describe and annotate them (Reeb et al ., 2018; McAllister et al ., 2019; Younis et al ., 2020), count plants’ elements (e.g. the number of flowers per inflorescence) (Davis et al ., 2020b), and evaluate intraspecific trait variability (Kommineni et al ., 2020), as well as to relate plant traits to environmental factors to analyze complex relationships and trends (Václavík et al ., 2017; Schneider et al ., 2018a; Park et al ., 2020; Yost et al ., 2020). Moreover, machine learning is used for species identification and classification, because of its contribution to the automatic collection of morphological characteristics and plant recognition at different taxonomic levels (e.g.…”