Duilio Iamonico

Sapienza University of Rome | la sapienza

New Italian data on the distribution of some of the Annex I Habitats are reported in this contribution. Specifically, 16 records are presented including 9 new occurrences in Natura 2000 sites, and 27 new cells are added in the EEA 10 km × 10 km reference grid. The new data refer to the Italian administrative regions of Abruzzo, Apulia, Latium, Marc...

Defining species boundaries within plant groups distributed along wide elevational and geographic gradients may lead to unstable taxonomic delimitations using only morphological data. Within the taxonomically challenging genus Dianthus, through an integrative approach we tested the taxonomic value of D. brachycalyx, a putative species endemic to mo...

The chromosome numbers for seven Italian endemic taxa of Armeria (Plumbaginaceae) are here presented, including three species (Armeria aspromontana, A. garganica, and A. macropoda) for which chromosome data are reported for the first time. Overall, this study confirms the diploid status and the chromosomal stability of Armeria.

Moreyra and co-authors, in their recent paper published in Plants, presented a desperately needed Hyb-Seq phylogeny of the genus Cirsium sensu lato. Through their findings, they provided a critical assessment of an earlier proposal of ours to separate Cirsium sect. Eriolepis and Cirsium italicum into the genera Lophiolepis and Epitrachys, respectiv...

A new species of Drymaria from the Kohima District (Nagaland of North-East India) is described and illustrated based on both molecular data (the ITS region of nuclear DNA) and morphometric analyses (clustering, PCA, DA, and MANOVA). The new species resembles D. cordata but differs with respect to the shape of the sepal (oblong, incurved at the marg...

In this contribution, new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, confirmations, and exclusions to the Italian administrative regions for taxa in the genera Alchemilla , Carex , Chenopodium , Cistus , Convolvulus , Erysimum , Euphorbia , Festuca , Klasea , Lotus , Orobanche , Poa ,...

Archaeobotanical analyses in Italy are uneven in terms of geographical and chronological distribution. Amongst the different regions, Abruzzi is poorly represented, with only one study covering the Roman Age. In this framework, the analyses carried out on carpological remains collected from the Late Roman (late 5th-early 6th century AD) filling of...

A contribution to the nomenclature of the genus Armeria is presented. Armeria alpina, A. gracilis, A. macropoda, A. plantaginea, Statice nebrodensis, S. plantaginea, and S. pungens, recorded for Italy, are typified here based on specimens deposited at B, G, MA, and NAP, plus an illustration by Allioni. The current application of these names is conf...

New Italian data on the distribution of the Annex I Habitats are reported in this contribution. Specifically, 9 new occurrences in Na-tura 2000 sites are presented and 34 new cells are added in the EEA 10 km × 10 km reference grid. The new data refer to the Italian administrative regions of Abruzzo,

European wild carnations (Dianthus) are represented by a high number of taxa organized in unresolved taxonomies. Particularly, taxa belonging to the Dianthus virgineus L. complex in the Central Mediterranean have been delimited mainly with qualitative morphological data and still await quantitative investigations, which are vital to understand boun...

Botanical surveys carried out during the last 13 years throughout central and northern Tunisia (North Africa) allow to find first national and continental N-African records of non-native taxa belonging to Bignoniaceae. The genera Catalpa, Podranea, and Tecomaria are new for N-Africa (Catalpa is new for the whole Africa). Tecomaria capensis is here...

In Mediterranean Europe, both intensification and abandonment of traditional cultural practices represent main drivers for the loss of natural and semi-natural elements in agricultural settings. Once common in rural landscapes , these habitats have to be conserved or restored to ensure resilience and resistance of agroecosystems against biodiversit...

The nomenclatural status and typification of the names Arthrocaulon macrostachyum, Salicornia fruticosa, S. fruticosa var. deflexa, S. fruticosa var. glaucescens, S. fruticosa var. intermedia, S. fruticosa var. humilis, S. fruticosa var. pachystachya, S. fruticulosa, S. glauca, S. lignosa, S. macrostachya var. virescens, S. macrostachya var. glauce...

Secondary shrublands and transitional woodland/shrub formations are recognised to be particularly susceptible to plant invasions, one of the main global threats to biodiversity, especially in dynamic peri-urban landscapes. Urban fringes are in fact often the place for the sprawl of artificial surfaces, fragmentation of habitats, and complex land tr...

The typification of the name Atriplex mollis, validly published by R. L. Desfontaines in Flora Atlantica, is discussed. A specimen deposited at G (barcode G00386803) is designated as the lectotype of the name. The distribution in Europe of the species is also discussed. It was indicated for Sardinia only (Italy, Southern Europe) in a single localit...

Rumex pulcher is a species native to central and southern Europe, the Mediterranean area, and western Asia, growing mainly in ruderal habitats. It is a highly variable species, with six subspecies currently recognized (i.e., R. pulcher subsp. anodonta , subsp. cassius , subsp. pulcher , subsp. raulinii , subsp. suffocatus , and subsp. woodsii ). In...

The typification of the Linnaean name Arum peregrinum , validly published in the first edition of Species plantarum , is discussed. In the absence of original material useful for lectotypification, a study of the various pre‐Linnaean works linked to this name, as well as an in‐depth analysis of literature, was necessary to understand its concept an...

Amaranthus emarginatus belongs to the Amaranthus blitum complex, a critical taxonomic group. Within the variability of A. emarginatus, two taxa are often accepted, ‘emarginatus’ and ‘pseudogracilis’, which differ by habitus, synflorescence structure, and leaf size. However, their taxonomic value is debated, and A. emarginatus itself is sometimes in...

Cleome Linnaeus (1753: 671), in its traditional sense, is the largest genus of the family Cleomaceae Bercht. & Presl, comprising 200–300 species (Hall 2008, Patchell et al. 2014, Soares Neto et al. 2022, POWO 2024) which are native to the tropical, subtropical, and arid regions of both hemispheres (Patchell et al. 2014, Mousa 2019, Shilla et al. 20...

The typification of the Linnaean name Statice echioides (currently Limonium echioides ) is discussed. An illustration from Magnol's Botanicum Monspeliense (“Limonium minus annuum bullatis foliis vel echioides”) was correctly designated as lectotype by Erben in 1978 according to Art. 7.11 of Shenzhen Code. However, this image lacks some of the impor...

Melaleuca williamsii subsp. synoriensis (Myrtaceae) has been found in Rome (central Italy) along the banks of the river Tevere, representing the first discovery outside its native range (E-Australia). Description, distribution in Italy, phenology, and original photographs are provided.

New Italian data on the distribution of 17 Annex I Habitats are reported in this contribution. Specifically, 11 new occurrences in Natura 2000 sites are presented and 30 new cells are added in the EEA 10 km × 10 km reference grid. The new data refer to the Italian administrative regions of Apulia, Campania, Calabria, Lazio, Sardinia, Sicily and Tus...

Gypsophila elegans,an ornamental plant native to Asia and Europe,is newly reported as casual alien new totheTunisian flora,representing also thefifth recordto African continent. A population including several scattered individuals was found growing on the edge of a public garden in centraleastern Tunisia in 2020 and again in 2023. Description, dist...

A woody alien species, Carya illinoinensis (Juglandaceae), is found in Rome (central Italy) along banks of river Tevere. The discovery represents the first record for Italy and the second one for the continental Europe. Description, distribution in Italy, phenology, and original photographs are provided. Moreover, the name Juglans illinoinensis (ba...

The aims of the present study are to assess and update the floristic diversity of Amaranthaceae s.str. in Saudi Arabia. A total number of 33 taxa were indentified including 28 species, 4 subspecies, and 7 varieties. The richest genus is Amaranthus with 16 taxa (12 species); Aerva and Alternanthera have 3 species each; Achyranthes and Celosia 2 spec...

In this contribution, new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, confirmations, and exclusions to the Italian administrative regions. Nomenclatural and distribution updates, published elsewhere, and corrigenda are provided as supplementary material.

New localities and/or confirmations concerning 96 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 77 genera and 43 families are presented: Mesembryanthemum (Aizoaceae), Alisma, Sagittaria (Alismataceae), Amaranthus, Chenopodium (Amaranthaceae), Allium (Amaryllidaceae), Torilis (Apiaceae), Nerium (Apocynaceae), Asparagus (...

The identity of the name Rumex uliginosus is investigated. This species was validly described by Giovanni Gussone from central Italy (Abruzzo region) and currently considered as synonym of R. dentatus or R. palustris. The occurrence in Italy of R. dentatus is based on an old record in NW-Sicily (Boccadifalco near Palermo) as R. uliginosus by M. Loj...

Amaranthus palmeri S. Watson is a dioecious broad-leaved species characterized by rapid growth, high seed production, efficient resource use, and adaptability to diverse environments and cropping systems. A. palmeri populations are spreading beyond their native range in South western US, into the Mediterranean region and have been reported in sever...

An unusual population of Alternanthera was discovered in the South-Eastern part of Sicily. In this paper, we analyze the morphological features of the collected specimens and the ecological features of the community in which they were found. Also, we discuss the taxonomic criticality of the genus and assess the risk that the new finding may become...

A contribution to the nomenclature of the genus Sagina is presented. The following 10 taxa are recognized as being part of the Italian flora: S. alexandrae, S. apetala, S. glabra, S. maritima, S. micropetala, S. nodosa, S. pilifera, S. procumbens, S. revelierei, and S. saginoides subsp. saginoides. The names S. apetala var. decumbens (=S. apetala s...

Nel presente contributo vengono riportate un totale di 18 segnalazioni apparse sul forum Acta Plantarum (www.actaplantarum.org) e riconducibili a 17 taxa, provenienti da 3 regioni del Centro-Sud Italia: Campania, Lazio e Molise. In particolare, 13 di queste rappresentano il primo ritrovamento regionale a noi noto, mentre 4 sono conferme di taxa non...

The names Arenaria mattfeldii , A. pallens , A. peruviana , A. pintaudii , and A. stuebelii (Caryophyllaceae, Arenarieae) from Peru and Bolivia were studied and neotypified based on specimens preserved at B and P.

Molecular analyses have shown that Stellaria is a polyphyletic genus and several species are closely related to other genera of Caryophyllaceae. Among the excluded taxa, a group of four species (S. antillana, S. howardii, S. minutifolia, and S. ovata) appear to be not included in the core of Stellaria and are possibly related to the genus Triplatei...

The name Spergularia nobreana, originally published by G. A. Sampaio from plants collected in Portugal, is investigated. A lectotype and two isolectotypes are designated on specimens preserved at PO. On the basis of a careful examination of these exsiccata, this taxon cannot be ascribed to the genus Sagina (as reported in POWO and IPNI databases wh...

The Linnaean name Crepis foetida is lectotypified with an illustration from the third volume of Morison's Plantarum historiae universalis Oxoniensis . While the designated lectotype can be identified with C. foetida s.l., it cannot be ascribed with certainty to any of the currently accepted subspecies of this taxon and is therefore considered demon...

Nomenclatural and taxonomic issues concerning Amaranthus caudatus and the related taxa are presented. Types are designated for names A. caudatus var. albiflorus (neotype at RO), A. caudatus var. atropurpureus (neotype at GH), A. caudatus var. gibbosus (neotype at RO), A. dussi (neotype at NAP), and A. edulis (lectotype at LP). Holotypes are indicat...

A taxonomic revision of the family Sapindaceae (order Sapindales) in Tunisia is presented. Field surveys were carried out during the last 10 years, allowing to identify 5 taxa of which 2 (Acer monspessulanum subsp. monspessulanum and A. monspessulanum subsp. martinii) are native, whereas the other 3 (A. negundo, Dodonaea viscosa, and Sapindus sapon...

All the names in Paronychia described from South America are investigated. Five names (P. arbuscula, P. brasiliana subsp. brasiliana var. pubescens, P. coquimbensis, P. hieronymi, and P. mandoniana) are lecto- or neotypified on specimens preserved at GOET, K, LP, and P. The typification of nine names, first proposed by Chaudhri in 1968 as the “holo...

Amaranthus is a genus taxonomically complex because of its high morphological variability , which led to nomenclatural disorders, misapplication of names, and misidentifications. Flo-ristic and taxonomic studies on this genus are still incomplete, and many questions remain open. Seed micromorphology has been shown to play an important role in the t...

Stellaria ruderalis and S. cupaniana (Caryophyllaceae, Alsinoideae, Alsineae) are recorded from Tunisia for the first time, S. ruderalis being also new to continental Africa. Descriptions, notes on habitat, ecology, and distribution in Tunisia are given. Original photographs together with a key to the Stellaria taxa of Tunisia are also provided. Th...

Six Amaranthus species (A. cruentus, A. hybridus, A. hypochondriacus, A. muricatus, A. tuberculatus, and A. viridis) were collected in Italy (wild habitats) from crops and roadsides. Amaranth seed oil was extracted to obtain fractions rich in squalene. Squalene, free fatty acid, tocopherol, and sterol composition and content were investigated in de...

The present work aimed at differentiating five Amaranthus species from Saudi Arabia according to their morphology and the ability in nanoparticle formulation. Biogenic silver nanoparticles (AgNPs) were synthesized from leaf extracts of the five Amaranthus species and characterized by different techniques. Fourier-transform infrared spectroscopy (FT...

A population of Atriplex micrantha subsp. micrantha was found in Valle d’Aosta region representing the first north-western Italian record and the second one at national level. The newly found population (about 100 individuals) covers an area of about 200 m ² , and grows on uncultivated and saline lands at 950 m. Despite the inland locality (the spe...

Salicornia is a highly taxonomically problematic genus due to the reduced morphological observable characters. Ten Eurasian species are currently recognized: S. alpini, S. europaea, S. fruticosa, S. hispanica, S. lagascae, S. perennans, S. perennis, S. persica, S. procumbens, and S. pruinosa. In addition, eleven subspecies are accepted, mainly base...

The nomenclature of the names Alsine weberbaueri, Arenaria musciformis, and Scleranthus peruvianus is investigated. The names were typified on specimens preserved at HOXA, MOL, and P. All these names are to be included in Arenaria. Concerning Alsine weberbaueri, a new combination (Arenaria weberbaueri) is proposed, whereas for Arenaria humboldtiana...

During a phytosociological field-work campaign on the vegetation of the travertine outcrops, included in the Special Area of Conservation (SAC) “Travertini Acque Albule (Bagni di Tivoli)” (Central Italy), several taxa of particular interest were identified. Carex vulpina , Lolium apenninum , Onosma echioides subsp. angustifolia , Typha domingensis...

A taxonomic revision of the genus Amaranthus (Amaranthaceae) in Saudi Arabia, based on both field surveys and examination of harbarium specimens, is here presented. Collected exsiccata are kept the Herbaria PNUH and RO. An extensive literature was also analysed. Sixtheen non-hybrid taxa (twelve species) are recognized. Data about nomenclature (acce...

The original material of the Linnaean names Sagittaria sagittifolia and Sparganium erectum both represent more than one taxon. This had previously led to a reluctance to resolve the nomenclature of these two species, led some to consider the application of the names doubtful, and even led some to propose that Sp. erectum should be treated as a nome...

In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, and status changes for Italy or for Italian administrative regions. Nomenclatural and distribution updates, published elsewhere, and corrections are provided as Suppl. material 1

The delimitation of Limonium taxa is highly complicated due to hybridization, polyploidy, and apomixis. Many “microspecies” were described and aggregated into groups, most of which are still poorly known from both molecular and morphological points of view. The aim of this study is to investigate four endemic species from the Tyrrhenian coast of ce...

Using molecular data and representative species coverage, we confirmed the monophyly of Cirsium sect. Eriolepis and, therefore, we propose to treat it as a separate genus (Lophiolepis). Besides, based on molecular and morphological evidence we segregate Cirsium italicum into the separate genus Epitrachys, sister to a large clade including Carduus,...

Background: The genus Amaranthus is taxonomically complex because of its high morphological variability, which led to nomenclatural confusion, misapplication of names and misidentifications. Unfortunately, floristic and taxonomic studies on this genus are still incomplete. A population of Amaranthus crassipes subsp. warnockii was discovered in Mona...

A new species, Blitum venetum Iamonico, Argenti, Sciuto & Wolf is described from the Dolomites Massif (North-Eastern Italy) on the basis of molecular analyses (nuclear ITS and plastid trnL-F regions) and morphological investigation. The new species is similar to B. bonus-henricus and B. californicum, but it differs from these taxa by characters of...

First molecular and morphometric investigations for the genus Allmania are presented. A new species of Allmania from the granite hillocks of Palakkad district (Kerala state, India), is described as A. multiflora. It differs from A. nodiflora by shape and length of tepals, diameter of the gynoecium, diameter and hairiness of seeds, length of bracts,...

The genus Mcneillia has been recently segregated from Minuartia L. based on molecular results, also supported by morphology. However, to date, a comprehensive study on the phylogenetic relationships within this genus is lacking. In this paper, we provide a multigene phylogeny of all the species and subspecies of Mcneillia employing two nuclear and...

The first inventory of the flora of Appia Antica Regional Park (Italy), one of the largest protected urban areas in Europe (4580 ha), its biological, ecological and biogeographical composition, and notes of the vegetation physiognomies and landscape are presented; physical characteristics of the territory (geomorphology, lithotypes, and phytoclimat...

Molecular analyses have shown that Silene lydia, a south‐east European and west Turkish species, belongs to the Conoimorpha‐clade, also including taxa distributed from the Mediterranean area to southwest‐central Asia. However, cytological data and a morphological comparison between S. lydia and members of S. sect. Conoimorpha (with the exclusion of...

The typification of the Linnaean name Papaver medium is discussed. A Morison’s illustration is designated as the lectotype, lacking specimen of original material. The identity of the type is widely discussed reaching to the conclusion that P. medium is a synonym of P. dubium subp. dubium.

A nomenclatural study of the Arenaria names referring to the species found in Chile is presented. Three names, A. fastigiata, A. multicaulis, and A. scopulorum, are illegitimate (Arts. 53.1 and 52.1 of ICN); a new name is proposed for A. fastigiata and A. multicaulis; A. scopulorum was also nomenclaturally superfluous including the type of A. digyn...

The typification of the Linnaean names Alisma natans and Typha latifolia is discussed. A specimen deposited at LINN and Morison's illustration of “Typha palustris major” are designated, respectively, as lectotypes. Since the latter image cannot be unambiguously identified as T. latifolia as currently circumscribed, an epitype is selected. Alisma pa...

p>Como parte de los estudios en curso del género Polycarpon (Caryophyllaceae) y la preparación de su tratamiento para la Flora Argentina, presentamos aquí una nota taxonómica sobre la identidad del nombre P. apurense. Un espécimen preservado en P es designado como el lectotipo de este nombre. Se discute su identidad y se descarta la sinonimia con P...

The occurrence and invasion status of Amaranthus hypochondriacus in Belarus, Estonia, Italy, the Netherlands, and the North Caucasus were discussed. For Italy, we change the status from casual to naturalized based on living populations which are able to sustain themselves for 5 and over 20 years. Concerning the other countries, we clarified the inv...

Sixteen new Asteraceae are added to the non-indigenous flora of Tunisia. Six of them (Dimorphotheca ecklonis,Gaillardia pulchella, Gazania linearis var. linearis, Guizotia abyssinica, Rudbeckia triloba and Tithonia diversifolia) are also new for the flora of North Africa. Chrysanthemummorifolium is here first reported for the Mediterranean Basin. S...

This datasheet on Amaranthus blitum covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

This datasheet on Amorpha fruticosa covers Identity, Overview, Distribution, Dispersal, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

This datasheet on Ambrosia trifida covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

This datasheet on Ambrosia artemisiifolia covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

The paper, as the result of an interdisciplinary research study, analyzes how the reconstruction and the practical feasibility of a historical-environmental Cultural Ecosystem Service (CES) can facilitate and implement the functional development of territorial and landscape planning tools. CESs depend on the stability of landscapes, for both the “d...

As part of the ongoing study of some genera of Caryophyllaceae and the preparation of their treatments for the new edition of the Flora of Argentina, notes about some members of this family are presented. Two species (Petrorhagia prolifera and Scleranthus polycarpos) are reported for the first time for the Flora of Argentina. Sixteen names are here...

This is the fourteenth of a series of miscellaneous contributions, by various authors, where hitherto unpublished data relevant to both the Med-Checklist and the Euro+Med (or Sisyphus) projects are presented. This instalment deals with the families Apocynaceae, Compositae, Crassulaceae, Cyperaceae, Euphorbiaceae, Gramineae, Leguminosae, Nyctaginace...