BIBLIOGRAFIA

• Atzei , A. D. and Camarda , I. 1984 . Linaria arcusangeli Atzei et Camarda species nova de l'ile de Sardaigne. . Webbia , 38 : 591 – 599 .
   Google Scholar
• Albert , M. J. , Bañares , Á. , De , LA , Cruz , M. , Domínguez , F. , Escudero , A. , Iriondo , J. M. , García , M. B. , Guzmán , D. , Marrero , M. , Moreno , J. C. , Sainz , H. , Tapia , F. and Torres , E. 2003 . Atlas y Libro Rojo de la Flora Vascular Amenazada de España. Dirección General de Conservación de la Naturaleza, Madrid. Edited by: Bañares , Á. , Blanca , G. , Güemes , J. , Moreno , J. C. and Ortiz , S. Manual de Metodología de Trabajo Corológico y Demográfico. Versión 4.2.—In:—
   Google Scholar
• Arrigoni , P. V. 2006 . Taxonomical and chorological contribution to the Sardinian flora. . Bocconea , 19 : 33 – 48 .
   Google Scholar
• Bacchetta , G. and Pontecorvo , C. 2005 . Contribution to the knowledge of the endemic vascular flora of Iglesiente (SW Sardinia—Italy). . Candollea , 60 ( 2 ) : 481 – 501 .
   Web of Science ®Google Scholar
• Bacchetta , G. , Fenu , G. , Mattana , E. , Piotto , B. and Vi- revaire , M. , eds. 2006 . “ Manuale per la raccolta, studio, conservazione e gestione ex situ del germoplasma. ” . In APAT—Manuali e Linee guida Vol. 37 , 1 – 244 .
   Google Scholar
• Bacchetta , G. , Fenu , G. , Mattana , E. and Ulian , T. 2007a . Preliminary results on the conservation of Lamyropsis microcephala (Moris) Dittrich & Greuter (Asteraceae), a threatened endemic species of the Gennargentu massif, Sardinia (Italy). . Flora Montib. , 36 : 6 – 15 .
   Google Scholar
• Bacchetta , G. , Mandis , G. and Pontecorvo , C. 2007b . Contribution to the knowledge of the endemic vascular flora of Sulcis (SW Sardinia—Italy). . Bocconea , 21 : 155 – 166 .
   Google Scholar
• Bacchetta , G. , Coppi , A. , Pontecorvo , C. and Selvi , F. 2008a . Systematics, phylogenetic relationships and conservation of the taxa of Anchusa (Boraginaceae) endemic to Sardinia (Italy). . Systematics & Biodiversity , 6 ( 2 ) : 161 – 174 .
   Web of Science ®Google Scholar
• Bacchetta , G. , Congiu , A. , Fenu , G. and Mattana , E. 2008b . “ Flora da Conservare. Iniziativa per l'implementazione in Italia delle categorie e dei criteri IUCN (2001) per la redazione di nuove Liste Rosse. ” . In Inform. Bot. Ital. Edited by: Rossi , G. , Gentili , R. , Abeli , T. , Gargano , D. , Foggi , B. , Raimondo , F. M. and Blasi , C. Vol. 40 , 67 – 69 . Centranthus amazonum Fridl. et A Raynal.—In: 2008—(Suppl 1)
   Google Scholar
• Bigazzi , M. and Ricceri , C. 1992 . Borago morisiana Bigazzi et Ricceri (Boraginaceae), a new species from Sardinia. . Webbia , 46 : 191 – 202 .
   Google Scholar
• Bigazzi , M. , Selvi , F. , Coppi , A. and Bacchetta , G. 2005 . Variazione citogeografica ed evoluzione del cariotipo di Borago, con particolare riferimento al subgen. Buglossites (Boraginaceae). . Inform. Bot. Ital. , 37 ( 1, parte A ) : 14 – 15 .
   Google Scholar
• Braun-blanquet , J. 1965 . Plant sociology The study of plant community. New York : Hafner Publishing Company . and London
   Google Scholar
• EUROPEAN COMMISSION, DG ENVIRONMENT . 2003 . Interpretation Manual of European Union Habitats. EUR 25.
   Google Scholar
• EUROPEAN COMMISSION, DG ENVIRONMENT . 2007 . Interpretation Manual of European Union Habitats. EUR 27.
   Google Scholar
• Côme , D. 1970 . Les obstacles à la germination. Masson & CIE, Paris.
   Google Scholar
• Côme , D. 1992 . Les végétaux et le froid. Hermann Editeur des sciences et des arts, paris.
   Google Scholar
• Conti , F. , Manzi , A. and Pedrotti , F. 1992 . Libro rosso delle piante d'Italia. WWF Italia, Roma.
   Google Scholar
• Conti , F. , Manzi , A. and Pedrotti , F. 1997 . Liste Rosse regionali delle Piante d'Italia. WWF Italia, Società Botanica Italiana, Camerino.
   Google Scholar
• Conti , F. , Abbate , G. , Alessandrini , A. and Blasi , C. , eds. 2005 . An Annoted Checklist of the Italian Vascular Flora. Palombi Editori, Roma.
   Google Scholar
• Conti , F. , Alessandrini , A. , Bacchetta , G. , Banfi , E. , Barberis , G. , Bartolucci , F. , Bernardo , L. , Bonacquisti , S. , Bouvet , D. , Bovio , M. , Brusa , G. , Del guacchio , E. , Foggi , B. , Frattini , S. , Galasso , G. , Gallo , L. , Gangale , C. , Gottschlich , G. , Grünanger , E , Gubellini , L. , Iiriti , G. , Lucarini , D. , Marchetti , D. , Moraldo , B. , Peruzzi , L. , Poldini , L. , Prosser , F. , Raffaelli , M. , Santangelo , A. , Scassella-ti , E. , Scortegagna , S. , Selvi , F. , Soldano , A. , Tinti , D. , Ubaldi , D. , Uzunov , D. and Vidali , M. 2007 . Integrazioni alla checklist della flora vascolare italiana. . Natura vicentina , 10 : 5 – 74 .
   Google Scholar
• Corrias , B. 1978 . Le piante endemiche della Sardegna: 2428. . Boll. Soc. Sarda Sci. Nat. , 17 : 243 – 266 .
   Google Scholar
• De marco , G. , Dinelli , A. and Mossa , L. 1978 . Sull'Astragalus maritimus Moris. 353 – 364 . Annali di Botanica (Roma) 35–36
   Google Scholar
• Drury , WH. 1974 . Rare species. . Biol. Conserv. , 6 : 162 – 169 .
   Google Scholar
• Flynn , S. , Turner , R. M. and Dickie , J. B. 2004 . Seed information Database (release 6.0, October 2004)
   Google Scholar
• Gargano , D. , Fenu , G. , Medagli , P. , Sciandrello , S. and Bernardo , L. 2007 . The status of Sarcopoterium spin- osum (Rosaceae) at the western periphery of its range: ecological constraints led to conservation concerns. . Isr. J. Plant Sci. , 55 ( 1 ) : 1 – 13 .
   Web of Science ®Google Scholar
• Griggs , R. F. 1940 . The ecology of rare plants. . Bull. Torrey Bot. Club , 67 : 575 – 594 .
   Google Scholar
• Guarino , L. , Ramanantha rao , V. and Reid , R. , eds. 1995 . Collecting Plant Genetic Diversity—Technical guidelines. 1 – 748 . CABI. Wallingford, Oxon, UK
   Google Scholar
• IPBGR . 1985 . Handbook of seed technology for genebanks, 2. Compendium of Specific Germination Information and Test Recommendations Handbooks for genebanks: n. 3. International Board for Plant Genetic Resources, Rome.
   Google Scholar
• ISTA . 2006 . International rules for seed testing. Edition 2006. The International Seed Testing Association (ISTA), Bassersdorf.
   Google Scholar
• Lavergne , S. , Thompson , J. D. , Garnier , E. and Debussche , M. 2004 . The biology and ecology of narrow endemic and widespread plants: a comparative study of trait variations in 20 congeneric pairs. . Oikos , 107 : 505 – 518 .
   Web of Science ®Google Scholar
• Martin , A. C. 1946 . The comparative internal morphology of seeds. . American Midland Naturalist , 36 : 513 – 660 .
   Web of Science ®Google Scholar
• Mattana , E. , Fenu , G. and Bacchetta , G. 2005 . La Banca del Germoplasma della Sardegna (BG-SAR): uno strumento per la conservazione delgermoplasma autoctono sardo. . Inform. Bot. Ital. , 37 ( 1 ) : 144 – 145 .
   Google Scholar
• Mattana , E. , Grillo , O. , Venora , G. and Bacchetta , G. 2008 . Germplasm image analysis of Astragalus maritimus and A. verrucosus (subgen. Trimeniaeus). . Anales Jard. Bot. Madrid , 65 ( 1 ) : 149 – 155 .
   Google Scholar
• De , Montmollin B. and Strahm , W. , eds. 2005 . The Top 50 Mediterranean Island Plants: Wild plants at the brink of extinction, and what is needed to save them. Gland : IUCN . and Cambridge
   Google Scholar
• Moris , G. G. 1858–1859 . Flora Sardoa 1–3. Ex Regio Typ., Taurini.
   Google Scholar
• Mossa , L. and Bacchetta , G. 1999 . Nuovi dati morfologici, ecologici, distributivi e comportamento fitosociologico di Linaria arcusangeli Atzei & Camarda. . Doc. Phytosoc. , 19 : 455 – 466 .
   Google Scholar
• Pignatti , S. , Menegoni , E and Giacanelli , V. , eds. 2001 . Liste rosse e blu della flora italiana. ANPA, Roma.
   Google Scholar
• Quilichini , A. and Debussche , M. 2000 . Seed dispersal and germination patterns in a rare Mediterranean island endemic (Anchusa crispa Viv., Boraginaceae). . Acta Oecologica , 21 : 303 – 313 .
   Web of Science ®Google Scholar
• Quilichini , A. 2001 . Biologie et estimation des menaces pesant sur les populations de l'endemique corso-sarde Anchusa crispa Viv. (Boraginaceae) en Corse. . Acta Botanica Gallica , 148 : 319 – 331 .
   Web of Science ®Google Scholar
• Quilichini , A. , Debussche , M. and Thompson , J. D. 2004 . Geographic differentiation of morphological traits and isozymes in the Mediterranean island endemic Anchusa crispa: implications for the conservation of a protected species. . Biol. Conserv. , 118 : 651 – 660 .
   Web of Science ®Google Scholar
• Rabinowitz , D. 1981 . The ecological aspects of rare plants conservation: 205–217. John Wiley and Sons Ltd., London. Edited by: Synge , H. Seven forms of rarity.—In: 1981—
   Google Scholar
• Rivas-martínez , S. 2007 . Mapa de Series, geoseries y geopermaseries de vegetación de España (Memoria del Mapa de Vegetación Potencial de España. Parte I). . Itin. Geobot. , 17 : 5 – 435 .
   Google Scholar
• Scoppola , A. , Spampinato , G. , Scoppola , A. and Bla-si , C. , eds. 2005 . “ Atlante delle specie a rischio di estinzione. ” . In Stato delle conoscenze sulla flora vascolare d'Italia. Palombi Editore, Roma. 2005
   Google Scholar
• Selvi , F. , Bigazzi , M. and Bacchetta , G. 1997 . Anchusa formosa (Boraginaceae), a new species from southern Sardinia (Italy). . Plant Biosystems , 131 ( 2 ) : 103 – 111 .
   Google Scholar
• Selvi , F. and Bigazzi , M. 1998 . Anchusa L. and allied genera (Boraginaceae) in Italy. . Plant Biosystems , 132 ( 2 ) : 113 – 142 .
   Google Scholar
• Snogerup , S. 1985 . Plant Conservation in the Mediterranean area. Dr. W Junk Publishers, Dordrecht. Edited by: Gomez-campo , C. The Mediterranean islands.—In:—
   Google Scholar
• Stebbins , G. L.J. 1942 . The genetic approach to the problems of rare and endemic species. . Madroño , 6 : 241 – 272 .
   Google Scholar