Abstract
In this contribution, new data concerning the Italian distribution of alien vascular flora are presented. It includes new records and exclusions for Italy or for Italian administrative regions of taxa in the genera Cedrus, Cenchrus, Citrus, Cyrtomium, Diospyros, Elaeagnus, Erigeron, Iris, Oenothera, Pavonia, Phytolacca, Styphnolobium, and Verbena. Furthermore, a new combination in the genus Amaranthus is proposed.
Highlights
In this contribution, new data concerning the Italian distribution of alien vascular flora are presented
A recent study by Stetter and Schmid (2017) showed that different and separated populations of wild A. hybridus subsp. hybridus appear to be the ancestor of the three cultivated grain species (i.e., A. caudatus L., A. cruentus L., and A. hypochondriacus L.); A. hybridus subsp. quitensis (Kunth) Costea & Carretero might be involved in the origin of A. caudatus
Since the subspecific rank is considered suitable for representing taxonomic relationships between a domesticated crop and its direct wild relative (Harlan and de Wet 1971), a new combination is proposed here for the grain crop A. caudatus
Summary
Abstract In this contribution, new data concerning the Italian distribution of alien vascular flora are presented. It includes new records and exclusions for Italy or for Italian administrative regions of taxa in the genera Cedrus, Cenchrus, Citrus, Cyrtomium, Diospyros, Elaeagnus, Erigeron, Iris, Oenothera, Pavonia, Phytolacca, Styphnolobium, and Verbena. Since the subspecific rank is considered suitable for representing taxonomic relationships between a domesticated crop and its direct wild relative (Harlan and de Wet 1971) (see e.g., Bartolucci et al 2017, Galasso et al 2017), a new combination is proposed here for the grain crop A. caudatus. – Alien species to be excluded from the flora of Campania.
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