0000000000174399
AUTHOR
Laura Guglielmone
The invasion history of Elodea canadensis and E. nuttallii (Hydrocharitaceae) in Italy from herbarium accessions, field records and historical literature
AbstractWe analysed the invasion history of two North American macrophytes (Elodea canadensis and E. nuttallii) in Italy, through an accurate census of all available herbarium and field records, dating between 1850 and 2019, and a rich literature collection describing the initial introduction and naturalisation phase that supports the results obtained by the occurrence records. Elodea canadensis arrived in Italy before 1866 and had two invasion phases, between the 1890s and 1920s and between the 1990s and 2000s; E. nuttallii, probably arrived in the 1970s, started invading in 2000 and the invasion is still ongoing. Botanical gardens and fish farming played a crucial role in dispersal and na…
Typification of the names Anethum pusillum and Meum segetum (Apiaceae)
Recent works (Jimenez-Mejias & Vargas 2015, Frankiewicz et al. 2021) have improved our knowledge about systematics and phylogeny of the Apiaceae: in detail, the Authors suggested the opportunity to merge several genera within Anethum Linnaeus (1753: 263), namely: Foeniculum Miller (1754: [513]), Ridolfia Moris (1841: 43), Pseudoridolfia Reduron, Mathez & S. R. Downie in Reduron et al. (2009: 496), and Schoenoselinum Jimenez-Mejias & Vargas (2015: 75). In this framework, we think that it is important to typify the names Anethum pusillum All. (Allioni 1773: 28) and Meum segetum Guss. (Gussone 1827: 346), both belonging to this “Anethum alliance” (as defined by Jimenez-Mejias &…
Notulae to the Italian native vascular flora: 4
In this contribution new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, exclusion, extinction and confirmations to the Italian administrative regions for taxa in the generaAndrosace,Artemisia,Fragaria,Melampyrum,Myosotis,Petrorhagia,Phillyrea,Rosa,Rumex,Spiranthes,Trifolium, andVicia. Furthermore, a new combination in the genusOmalothecais proposed.