Abstract
In this contribution, new data concerning red algae, bryophytes, fungi and lichens of the Italian flora are presented. It includes new records and confirmations for the algal genus Thorea, for the bryophyte genera Ephemerum, Hedwigia, Pogonatum, Riccia, Sphagnum, and Tortella, the fungal genera Pileolaria and Sporisorium, and the lichen genera Bacidia, Cerothallia, Chaenotheca, Cladonia, Halecania, Lecanora, Phylloblastia, Physcia, Protoparmelia, Pycnora, Segestria, and Sphaerophorus.
Highlights
Many new collections of Thorea hispida have been made in recent years from Europe: Simić and Pantović (2010), Simić et al (2014) for Serbia; Vitonytė (2011) for Lithuania; Cărăuş (2012) for Romania; Tomás et al (2013) for Spain
T. hispida is included in the Algae Red List in some European countries (Ludwig and Schnittler 1996, Sheliag-Sosonko 1996, Simienska 2006, Simić et al 2007, Temniskova et al 2008, Täuscher 2010), and it is still considered a species with a very restricted distribution (García and Aboal 2014 and references therein)
Ephemerum recurvifolium is a submediterranean-euryatlantic species quite rare in Europe, where it is considered at risk in many countries (Hodgetts and Lockhart 2020) and listed as Near Threatened in the new IUCN European Red List (Hodgetts et al 2019)
Summary
+ CAL: Monasterace Marina near the archaeological excavations of Caulonia (Reggio Calabria), on flowers of Sorghum halepense (L.) Pers. (UTM WGS84: 33S 637874.4257027) 4 m, 22 August 2014, D. Chaenotheca stemonea is a pin lichen with poorly developed excipulum, the lower part with a whitish pruina, 0.7–1.6 mm high, characterized by the photobiont (Stichococcus), the thin and farinose thallus and the almost globose capitulum It is a cool-temperate to boreal-montane, circumpolar species, rare in the Italian montane belt, usually found on bark and wood of conifers, more rarely on deciduous trees in forested habitats (Nimis 2016). This specimen grows on the trunk of a single old tree, covering it completely up to approximately 2 m above the ground, along the course of a stream. In temperate Europe, Halecania viridescens is widespread pioneer lichen in forests and agricultural landscape It prefers slightly nitrophilous communities and smooth bark of young trunks, branches and twigs. Due to its mainly sterile occurrence and small thalli, Halecania viridescens is an overlooked species and its real distribution and abundance are probably much larger than believed (Malíček et al 2020)
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