Giovanni Gestri

New localities and/or confirmations concerning 104 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 95 genera and 45 families are presented: Baldellia (Alismataceae), Amaranthus (Amaranthaceae), Allium, Ipheion (Amaryllidaceae), Aethusa, Ferula, Magydaris, Trochiscanthes (Apiaceae), Vinca (Apocynaceae), Lemna (Araceae), Ar...

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 (...

We present an updated list of the vascular flora occurring in the Cerbaie hills (Tuscany), a site of high naturalistic interest. The list is based on a literature survey and on field studies carried out in the years 2010–2022. The Cerbaie hills host a flora of 1,107 specific and subspecific taxa (including 100 naturalized aliens), 32 casual aliens...

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...

Based on new data derived from recent herbarium collections and observations, the distribution of the genus Alchemilla in Tuscany is updated. In particular, we report here 3 novelties at regional level, 5 at provincial level and 10 new localities for species already recorded at provincial level. Accordingly, the total number of species currently co...

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 Suppl. material 1.

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

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...

Attraverso estensive raccolte sul campo e studio di campioni d’erbario attendibili dal punto di vista della determinazione, risultano ad oggi presenti con certezza in Toscana 35 specie di Alchemilla. Sono invece da confermare A. demissa Buser e A. glomerulans Buser, certamente presenti in tempi storici. Mentre A. polytricha Buser è un taxon di scar...

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...

The inventory of the taxa collected during the annual field trip of the working group for Floristics, Systematics and Evolution of the Italian Botanical Society is reported. The field trip was held in 2019 along the Sillaro, Santerno, and Senio high valleys located in Toscana (central Italy). The flora documented for the studied area amounts to 492...

2020) Contribution to the floristic knowledge of Sillaro, Santerno, and Senio high valleys (Toscana, Italy). Italian Abstract The inventory of the taxa collected during the annual field trip of the working group for Floristics, System-atics and Evolution of the Italian Botanical Society is reported. The field trip was held in 2019 along the Sillaro...

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 for taxa in the genera Ajuga , Chamaemelum , Clematis , Convolvulus , Cytisus , Deschampsia , Eleocharis , Epipactis , Euphorbia , Gr...

In this contribution, new data concerning the distribution of native vascular flora in Italy are presented. It includes new records, confirmations and status changes to the Italian administrative regions for taxa in the genera Acer , Alchemilla , Andrachne , Bromus , Clinopodium , Colchicum , Damasonium , Erodium , Festuca , Hieracium , Hyparrhenia...

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...

New localities and/or confirmations concerning 83 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 71 genera and 33 families are presented: Carpobrotus (Aizoaceae), Alternanthera (Amaranthaceae), Leucojum (Amaryllidaceae), Anacyclus, Andryala, Carduus, Centaurea, Cichorium, Erigeron, Helichrysum, Helminthotheca, Hieracium,...

The taxonomic status of the putative narrow endemic Narcissus etruscus Parl. is discussed by the analysis of 266 herbarium specimens (PCA of 10 quantitative morphological characters), bibliographic references and records in the field. N. etruscus cannot be separated from the widespread N. tazetta L. subsp. tazetta, thus we propose to resume for N....

A morphometric study aimed at comparing Italian and Balkan populations of Astragalus muelleri is carried out. Based on univariate (ANOVA, Tukey HSD test) and multivariate (DA) analysis results, a new subspecies to accommodate the Italian populations (A. muelleri subsp. etruscus subsp. nov.) is described. This subspecies is slightly distinct from th...

Unvoluntary omissions, blanks and imperfections, recently reported in the paper "Prodromo della Flora vascolare della Provincia di Prato (Toscana, Italia centrale)" [Inform. Bot. Ital., 45(2) 2013], are here highlighted.

A morphometric and taxonomic study of Pinguicula in Northern Apennine was carried out. A new species belonging to sect. Pinguicula, previously referred erroneously to P. vulgaris L. and/or P. leptoceras Rchb., is here described as P. christinae sp. nov. The taxonomic relationship of P. christinae with other octoploid species, such as P. apuana Casp...

Exaculum pusillum (Lam.) Caruel Carex demissa Hornem.

Orobanche schultzii (Mutel) Pomel (Oroban-chaceae) M. Buriano (Spazzavento), Prato, versante E lungo V. Barbetta (UTM: 32T PP 69.64), incolto in radura di cipresseta, ca. 260 m s.l.m., 6 Mai 2013, G. Gestri (PI). -Specie di nuova segnalazione per la provincia di Prato. 257: G. GESTRI, I. ALESSANDRINI (ggestri@alice.it) 257. Serapias parviflora Parl...

An updated list of the vascular flora occurring in Mount Le Coste and Poggio alle Croci, included within the ANPIL «Monteferrato», is presented. The list is based on bibliographic analysis and field studies effected in the years 2009-2013. 827 specific and infraspecific taxa are reported (758 native). They belong to 414 genera and 88 families. Most...

The results of the excursion of the Floristic Group (Italian Botanical Society), held in 17-20 june in the northern sector of Gran Sasso d’Italia in the National Park of Gran Sasso and Laga Mountains (Abruzzo region), are here presented. During the research 576 units were recorded; 8 resulted new records for Abruzzo and 3 were confirmed for the reg...

The distribution of the narrow endemic Gagea tisoniana Peruzzi, Bartolucci, Frignani & Minutillo is reported, by the analysis of herbarium specimens, bibliographic references and records in the field. This species occurs only in a restricted range of Marche, Latium, Tuscany and Umbria (EOO: 18.048 Km²). 32 localities are known for this species (1 i...

The results of the excursion of the Floristic Group (Italian Botanical Society), held in 17-20 june in the northern sector of Gran Sasso d'Italia in the National Park of Gran Sasso and Laga Mountains (Abruzzo region), are here presented. During the research 576 units were recorded; 8 resulted new records for Abruzzo and 3 were confirmed for the reg...

Vengono qui presentati i risultati dell’escursione del Gruppo di Floristica della Società Botanica Italiana tenutasi nei giorni 22-24 Maggio sulle Colline Pisane (Toscana). Durante la ricerca sono state censite 524 entità specifiche e sottospecifiche; di queste, 9 sono risultate di nuova segnalazione per la Toscana, 33 di nuova segnalazione per la...

An updated list of the vascular flora occurring in Mount Pelato is presented. The list is based on bibliographic analysis and field studies effected in the years 2010-2011. 432 specific and infraspecific taxa are reported (423 native). They belong to 260 genera and 68 families. 218 taxa are new for the area, of which 21 are new for the Leghorn prov...

The results of the excursion of the Floristic Group of the Italian Botanical Society, held in May in the Colline Pisane (Tuscany region), are here presented. During the research a total of 524 units were recorded; 9 units resulted new for Tuscany, 33 new and 10 confirmed for the Province of Pisa. Moreover, new localities of 38 rare and/or threatene...

The distribution of the narrow endemic Bellevalia webbiana Parl. (a name here lectotypified) is reported, by the analysis of herbarium specimens, bibliographic references and records in the field. This species occurs only in a restricted range of pre-Appenninic Tuscany and Emilia-Romagna (present EOO: 467.5 K2). 17 out of the 35 known localities fo...

Vascular flora of the Calvana Mountains (Prato, Tuscany) - The purpose of this research is first of all to contribute to the knowledge of the existence and the range of vascular plants in Tuscany. The high biodiversity (996 specific and infraspecific taxa) and the presence of rare and floristically important units (endemic plants, plants registered...

The authors report an updated distribution of the genus Sternbergia Waldst. & Kit. (Amaryllidaceae) in Tuscany by the analysis of herbarium specimens, bibliographic references and records in the field. S. colchiciflora occurs in six localities, four in southern Tuscany and two in northern Tuscany. One out of them, the first in Firenze province, is...

The occurrence of G. bohemica (Zauschn.) Schult. & Schult. f. in the only Tuscan locality (Isola d’Elba) is confirmed. G. granatellii (Parl.) Parl. is also confirmed for Isola del Giglio, where it was not observed since more than 100 years. Moreover, new localities with G. granatellii for central and eastern areas of Isola d’Elba, G. lutea (L.) Ker...

The occurrence of G. bohemica (Zauschn.) Schult. & Schult. f. in the only Tuscan locality (Isola d'Elba) is confirmed. G. granatellii (Parl.) Parl. is also confirmed for Isola del Giglio, where it was not observed since more than 100 years. Moreover, new localities with G. granatellii for central and eastern areas of Isola d'Elba, G. lutea (L.) Ker...

A series of vascular plants of floristic and phytogeographic interest, recently found in the Province of Prato, is presented. They include both new and confirmed species for the territory under examination. The present study is aimed at widening our knowledge of the vascular flora of Tuscany.