Gianni Bedini

Gianni Bedini
Università di Pisa | UNIPI · Department of Biology

About

188
Publications
32,877
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1,305
Citations
Citations since 2017
70 Research Items
702 Citations
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2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120

Publications

Publications (188)
Article
Full-text available
New localities and/or confirmations concerning 85 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 68 genera and 36 families are presented: Amaranthus (Amaranthaceae); Allium (Amaryllidaceae); Bifora, Bupleurum (Apiaceae); Arisarum (Araceae); Maianthemum, Ruscus (Asparagaceae); Bidens, Crepis, Galinsoga, Senecio, Taraxacum...
Article
Full-text available
The Italian seed bank network (RIBES) aims to improve the quality and safety of the germplasm reserves of native plant species in Italy to ensure the long-term conservation of endangered and/or endemic flora. The strategy includes traditional methods to secure seed conservation. A comprehensive priority list for seed collection is being defined, it...
Article
Full-text available
Cancer is one of the largest causes of mortality in the world, and due to its incidence, the discovery of novel anticancer drugs is of great importance. Many successful anticancer drugs used in clinical practices are derived from natural products. The genus Santolina is a group of species distributed in the Mediterranean area and used in traditiona...
Article
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Background: Allergic rhinitis (AR) is a major non-communicable disease that affects the health-related quality of life (HRQoL) of patients. However, data on HRQoL and symptom control in AR patients with comorbid asthma (AR+asthma) are lacking. Methods: In this multicentre, cross-sectional study, patients with AR were screened and administered ques...
Article
Floristic inventories are crucial for research in botany, but they are still conducted following a purposive approach. To overcome this limitation and move towards a next generation floristics, we propose a workflow, which integrates novel methods and tools in (a) Species-Area Relationship, (b) floristic cartography, and (c) sampling algorithms.
Article
Full-text available
The Botanic Garden of Pisa was established in 1543 as a teaching tool and research facility. As with the vast majority of its sister institutions, it focuses on plant collections. However, for a short time in the first half of the XIX century, the Botanic Garden exhibited a living giraffe, a cow, and a calf. Due to the transient nature of the exhib...
Preprint
Full-text available
Background: Allergic rhinitis (AR) is a major non-communicable disease that affects the health-related quality of life (HRQoL) of patients. AR is significantly related to asthma also affecting HRQoL. However, data on HRQoL and symptom control in AR patients with comorbid asthma are lacking. Objective: To assess the differences of symptom control an...
Article
The vast amount of occurrence records currently available offers increasing opportunities for biodiversity data analyses. This amount of data poses new challenges for the reliability and correct interpretation of the results. Indeed, to safely deal with occurrence records, their uncertainty and associated biases should be taken into account. We dev...
Article
Full-text available
Vengono presentate nuove località e/o conferme relative a 61 taxa specifici e sottospecifici di piante vascolari della flora vascolare toscana, appartenenti a 56 generi e 25 famiglie: Delosperma (Aizoaceae), Ridolfia (Apiaceae), Dracunculus (Araceae), Gamochaeta, Hieracium, Matricaria, Rhagadiolus, Senecio, Tolpis (Asteraceae), Atriplex (Amaranthac...
Article
Full-text available
Although the relevance of seed morphology in systematics is widely recognized, its contribution in the seed plant classifications is often neglected. In this study, we performed a comparative morphometric analysis of the internal and external morphology of seeds in closely related species of the genus Aquilegia. Seed length, width, thickness, spher...
Article
Marine litter accumulates in coastal dunes and causes severe damages to these fragile ecosystems. This study analyzed the composition, cover and distribution of marine litter and its relation to vegetation cover in a Mediterranean dune system, located in a protected area facing the Ligurian Sea (Northern Italy). We sampled twenty-two permanent mult...
Article
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In this contribution, new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, confirmations, exclusions, and status changes to the Italian administrative regions. A new combination in the genus Pilosella is proposed. Nomenclatural and distribution updates, published elsewhere, and corrigenda ar...
Article
Full-text available
New localities and/or confirmations concerning 74 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 69 genera and 28 families are presented: Bunium, Trinia (Apiaceae), Nerium (Apocynaceae), Lemna (Araceae), Artemisia, Bidens, Centaurea, Crupina, Gazania, Hieracium, Rhagadiolus, Symphyotrichum, Tagetes, Tripleurospermum (Ast...
Article
Chromosome number and genome variation in flowering plants has stimulated a blossoming number of speculations about the ancestral chromosome number of angiosperms, but estimates so far remain equivocal. We used a probabilistic approach to model haploid chromosome number (n) changes along a phylogeny embracing more than 10 thousands taxa, to recons...
Article
Full-text available
In this contribution, new chromosome data obtained on material collected in Italy are presented. It includes counts from six populations of three taxa within the genus Pulmonaria , two of which are endemic to Italy (P. vallarsae subsp. apennina and P. vallarsae subsp. vallarsae); the other is the widespread European P. officinalis . In addition, tw...
Article
HIGHLIGHTS • Floristic inventories are still drafted following preferential sampling approaches. • There is a need to improve sampling methods in floristics. • We propose new sampling strategies using objective and reproducible algorithms. • A sampling design based on spectral images gives the most promising results • We suggest the integratio...
Article
Orbicules are granules of sporopollenin or polymorphic sporopollenin‐elements produced by the tapetum, associated with pollen grains and tapetum cells. In angiosperms, they are common in the ANA grade and monocots, but are absent in late‐branching clades such as the majority of Asteraceae and the majority of Lamiaceae, revealing an evolutionary tre...
Article
In light of the hypothesis that different authors, who have access to the same information and tools, can give different interpretations of the same reality, namely the vascular plants, existing within a determinate geographic boundary, this research aims to verify how and to what extent these differences can affect a checklist, and what critical i...
Preprint
Chromosome number and genome variation in flowering plants has stimulated a blossoming number of speculations about the ancestral chromosome number of angiosperms, but estimates so far remain equivocal. We used a probabilistic approach to model haploid chromosome number ( n ) changes along a phylogeny embracing more than 10 thousands taxa, to recon...
Article
Full-text available
Vengono presentate nuove località e/o conferme relative 75 taxa specifici e sottospecifici di piante vascolari della flora vascolare toscana, appartenenti a 67 generi e 41 famiglie: Delosperma (Aizoaceae), Dysphania (Amaranthaceae), Leucojum, Nothoscordum (Amaryllidaceae), Bupleurum, Coriandrum (Apiaceae), Araujia (Apocynaceae), Lemna (Araceae), Hy...
Conference Paper
Full-text available
Measuring and modelling the response (sensitivity) of wild plants to current and future climate is crucial to predict future biodiversity and ecological assets. Our research group is using a range of experimental approaches to address this goal. To predict range shifts in plant species under climate change scenarios, we use species distribution mod...
Presentation
Full-text available
Oral presentation within the symposium "Plant Conservation"
Article
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Unravelling patterns of species richness is a fundamental prerequisite to understand evolutionary and ecological dynamics, aiding to set efficient conservation activities. The Species–Area Relationship (SAR) is one of the most general patterns in ecology. Focusing on a Mediterranean area as case study, we investigated SAR and the drivers underlying...
Article
Full-text available
New localities and/or confirmations concerning 57 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 42 genera and 25 families are presented: Chenopodium, Polycnemum, Salsola (Amaranthaceae), Torilis (Apiaceae), Hieracium, Tragopogon (Asteraceae), Mahonia (Berberidaceae), Lepidium (Brassicaceae), Campanula (Campanulaceae), H...
Article
Two populations of Stachys recta growing in Italy on ultramafic and calcareous soils have been studied for their essential oils. Although the yields were comparable, the composition of the essential oils differed significantly. Plants growing on ultramafic soil produced mainly non-terpene derivatives (55.7%), of which the most abundant ones were 1-...
Article
Full-text available
As variations in the chromosome number are recognized to be of evolutionary interest but are also widely debated in the literature, we aimed to quantitatively test for possible relationships among the chromosome number, plant traits, and environmental factors. In particular, the chromosome number and drivers of its variation were examined in 801 It...
Poster
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Santolina pinnata Viv. (Asteraceae) is a perennial species endemic to the Apuan Alps (NW Tuscany) and it is the only Italian Santolina for which a parasitic relationship with another plant species – Orobanche apuana Domina & Soldano (Orobanchaceae) – is reported. The latter is the only holoparasite Orobanche with a specific requirement for S. pinna...
Poster
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The Habitats Directive requires Member States to monitor the conservation status of habitats and species of Community interest. For plant species, monitoring can be carried out at population level and the estimation of the population size is one of the key objectives. Generally, the measuring unit, required as a priority by the European Commission,...
Article
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Orbicules are sub- or pauci-micronic sporopollenin-coated particles associated with pollen grains. Recent studies have highlighted their importance in terms of systematic value or as vectors of allergens that may trigger pollinosis. While orbicules have indeed been reported for most families and genera of allergological importance, their usefulness...
Article
Aims: The bioactivities of Santolina corsica Jord. & Fourr. n-hexane (EHS) and methanol (EMS) extracts were evaluated in relation to their chemical profile. Main methods: EHS and EMS were analysed by gas chromatography-mass spectrometry () and high performance liquid chromatography-diode array detection (HPLC-DAD), respectively. Antioxidant acti...
Article
Environmental changes can affect the distribution and conservation of plant populations, therefore the study of the ability to modulate reproductive and vegetative traits is of large interest. Cistus laurifolius is a shrub typically occurring in Mediterranean open vegetation, often under different degrees of habitat light intensity. In the present...
Presentation
In 2012, the degraded dunal system of Sterpaia Coastal Park (Piombino, Li), affected by intense coastal erosion and heavy summer tourism, underwent a 3-year long restoration project. The project, entitled "Ripristino morfologico del sistema dunale e retrodunale del Golfo di Follonica nel tratto compreso fra Torre del Sale e Torre Mozza", aimed at r...
Article
Biodiversity studies traditionally use species as their analysis unit. However, observed biodiversity is not necessarily an indicator of significant biodiversity and therefore should not be used alone, particularly when the results will be employed for conservation planning. Here we examine pteridophyte diversity in Tuscany using 4,668 georeference...
Article
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Members of Cupressaceae and Taxaceae are known to release large amounts of highly allergenic pollen grains into the atmosphere, which are responsible for the onset of pollinosis in many countries throughout the world. In addition to pollen grains, their pollen sacs produce orbicules, which are submicron particles reported to carry allergens and whi...
Article
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To pursue a proper conservation of narrow endemic species, the knowledge of basic reproductive strategies is crucial to plan adequate conservation activities. One of the most evolutionarily relevant and threatened Italian endemic is the Webb’s hyacinth (Bellevalia webbiana Parl.). As the reproductive behaviour of this species and its connection wit...
Article
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The term “heterotopic” was applied to phytogeography referring to those populations found on soils apparently different from those typically occurring across the distribution range of a given species. In Italy, it was also applied to European beech populations generally occurring at an altitude below 800 m a.s.l. Based on a multivariate analysis us...
Article
Full-text available
New localities and/or confirmations concerning 98 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 81 genera and 42 families are presented: Alisma, Baldellia (Alismataceae), Chenopodium (Amaranthaceae), Sternbergia (Amaryllidaceae), Bupleurum (Apiaceae), Vinca (Apocynaceae), Muscari, Polygonatum (Asparagaceae), Carlina, Ce...
Article
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Isolated populations are usually subject to both low fitness and reduced genetic diversity, which may negatively affect their survival and adaptive potential. Hence, these issues cannot be neglected, when planning conservation actions for isolated populations. The Italian population of Cistus laurifolius subsp. laurifolius is extremely isolated. Fu...
Article
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The Botanic Garden and Museum of the University of Pisa are research laboratories for some groups of researchers belonging to some Departments of the University. In this work, some of the latest surveys supported by the two Museums are reported
Article
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RIASSUNTO Il Museo e l’Orto botanico dell’Università di Pisa sono centri attivi nella diffusione della cultura botanica e promuovono momenti di dialogo con operatori di vari settori culturali. Tra le collaborazioni messe in atto ne vengono illustrate alcune con artisti quali pittori e scultori, con l’arte minore del ricamo e con gruppi culturali m...
Presentation
Full-text available
Invasion by alien species is a growing concern for ecosystem stability and native biodiversity (1). Here, we examined the distribution in Tuscany of 48 invasive alien plants at regional level and of 7 invasive alien plants at European scale (2) through phylogenetic measures of biodiversity, assessed their association with environmental predictors a...
Poster
Full-text available
Wikiplantbase #Toscana is an online database of georeferenced floristic data for Tuscany (1, 2), currently storing more than 150K occurrence records. This growing body of data is used to support biodiversity-related researches (3, 4). In the perspective of further studies on the distribution of the Tuscan flora, we started a work to assess the comp...
Poster
Full-text available
With the exception of the very first volume (out of eight scheduled) of “Flora analitica della Toscana”, published some months ago (1), the only comprehensive flora of Tuscany (Central Italy) is that published by T. Caruel in 1860 (2), complemented in the following decades by a series of Supplements published by E. Baroni between 1897 and 1908 (3)....
Article
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The Wikiplantbase project, started in 2013, provides a framework where the full set of georeferenced floristic records of Tuscany and Sardinia can be entered, stored, updated and freely accessed through the Internet. Mainly thanks to the collaboration of amateur botanists, data have accumulated quickly. All records entered by collaborators are subm...
Article
Full-text available
New localities and/or confirmations concerning 67 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 59 genera and 37 families are presented: Alisma (Alismataceae), Amaranthus (Amaranthaceae), Leucojum, Sternbergia, Tristagma (Amaryllidaceae), Aloe (Asphodelaceae), Erigeron, Galinsoga, Hieracium, Rhagadiolus, Silybum, Soliva...
Article
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Today private collections still represent an important source of information as is evident from the available literature, where, in many cases, private collections are mentioned both in floristic and taxonomic/systematic researches. We present a summary of the main information about private herbaria in Italy, whose collections are currently increas...
Article
A comprehensive checklist of the Tuscan woody flora providing sub-regional details is presented. This checklist comprises 412 taxa, of which 264 are native and 148 are non-native. Nine taxa new for the region were found, and eleven taxa were excluded from the regional flora. The native taxa belong to 109 genera and 53 families. Rosaceae is the fami...
Article
Spatial separation between sexes within hermaphrodite flowers (herkogamy) is widespread among angiosperms and is traditionally viewed as an adaptation that reduces the likelihood of self-pollination. Whilst different degrees of herkogamy have been reported for Crocus, the relationship between sexual organ positions and reproductive fitness has not...
Article
Knowledge about mixed breeding systems can improve our understanding of the evolutionary dynamics of reproductive systems. Here we report a study of the floral and reproductive biology of Hypericum elodes, an Atlantic-European soft-water pools specialist which shows a flower architecture consistent with both self- and cross-pollination. Controlled...
Conference Paper
Full-text available
Uno degli strumenti emergenti nelle ultime decadi della gestione biologica degli ecosistemi contro l’erosione di biodiversità in atto è la traslocazione di piante localmente scomparse o in pericolo critico di estinzione. La specie target delle attività di conservazione presentate è Symphytum tanaicense Steven (Boraginaceae), un'emicriptofita scapos...
Poster
Full-text available
The term “heterotopic” (from the Greek roots ”hetero-” meaning ”other” + ”topos” meaning ”place” = other place) was used for the first time in biology by Haeckel (1) to define a change in germ-layer origin of reproductive organs in animals. Later, it was applied to phytogeography by Jackson (2), referring to those plant populations found on soils a...