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Acta Bot. Croat. 63 (2), 171–202, 2004 Review paper CODEN: ABCRA 25 ISSN 0365–0588 The genus Campanula L. (Campanulaceae) in Croatia, circum-Adriatic and west Balkan region SANJA KOVA^I]* University of Zagreb, Faculty of Science, Department of Botany and Botanical Garden, Maruli}ev trg 9a, HR-10000 Zagreb, Croatia The status of the genus Campanula L. (Campanulaceae) in southeast-European, circum-Adriatic and west Balkan countries (Italy, Slovenia, Croatia, Bosnia and Herzegovina, Serbia and Montenegro, FYR Macedonia, and Albania) is discussed, according to the local checklists, recent nomenclature and research. The flora of the region comprises at least 84 Campanula species and subspecies, out of which 75% are endemic, with a considerable number of incipient taxa. Accent is placed on the Croatian flora, which contains 30 species and 5 subspecies (42% of the regional taxa), while some older references are found to be inaccurate or recently unconfirmed. The predominant chromosome number is diploid, 2n = 34, while the most prevailing life form is hemichryptophytic (97% of the taxa). More than 30% of the Croatian campanulas are endemic, particularly of the Isophylla, Heterophylla (Rotundifolia), Pyramidalis and Waldsteiniana lineages, the unsolved relations among which are considered to be the most interesting in the region. The genus Campanula, in its current circumscription, needs fundamental revision. Key words: Campanula, Croatia, Adriatic coast, Balkan Introduction Members of the family Campanulaceae Juss. s.l. are widespread on most continents, with up to 90 genera and 2200 species (JUDD et al. 2002). Although the family is found to be monophyletic (COSNER et al. 1994, EDDIE et al. 2003), there is no single living genus that could be regarded as the ancestor of the others. Three subfamilies – Campanuloideae, Cyphoideae and Lobelioideae (SCHÖNLAND 1894) – may as well be recognized at the family level (LAMMERS 1992). There is still dispute even as to the number of recognized genera within the family, while the criteria for delimiting taxa are problematic due to the complexity of characters within and among genera (EDDIE 1984, 1998). Ancestors of the recent »campanuloids«, i.e. Campanula taxa and their relatives, probably started to develop in the early Tertiary (55 to 60 million years ago), in the warm climate of Gondwanaland. In Europe, the evolution of this group was additionally facilitated in the Quaternary, by the Alpine Orogenesis and the Ice Ages. Today, Campanulaceae in * Corresponding address: sanja@botanic.hr ACTA BOT. CROAT. 63 (2), 2004 171 KOVA^I] S. Eurasia are most frequently represented by the related genera Asyneuma Griseb. et Schenk., Campanula, Phyteuma L. and Symphyandra DC., which are exceptionally rich and uniquely developed in the higher mountains of Western and Central Europe, in the Mediterranean area, the Middle East and the Caucasus. Apparently, the most primitive campanuloids today are gathered around the Mediterranean Sea, e.g. Trachelium L. (including the eastern groups Tracheliopsis and Diosphaera), Legousia Durande, Edraianthus DC. and Jasione L., followed by archaic »true« campanulas of the subsection Annuae (Boiss.) Fed. and subgenus Roucela (Dumort.) Damboldt (CONTANDRIOPOULOUS 1984, EDDIE 1998). It seems that the whole campanuloid lineage spread over the northern hemisphere from this major evolutionary centre in the Mediterranean region (EDDIE et al. 2003). The numerous Campanula taxa – 350 to 450 species of bellflowers, bluebells, harebells and starbells, with many taxa lower than species – mostly inhabit steppe and mountainous habitats in temperate and subtropical zones of the northern hemisphere. Many of them are orographically, edaphically and microclimatically highly specialized and characterized by extensive polymorphism. The first approaches to the Campanula taxonomy were often geographically limited and based exclusively on (very variable) morphological characteristics, which led to the circumscription of a large number of species, subspecies, varieties, subvarieties, forms, and even subforms (WITASEK 1906, HRUBY 1930, 1934). Many authors over the centuries also tried to develop a suitable sub-classification of this large genus, in order to help in systematization (DE CANDOLLE 1830, BOISSIER 1875, FIORI 1927, FEDOROV 1957, GADELLA 1964, PODLECH 1965, DAMBOLDT 1978, KOVANDA 1970b, 1977, GESLOT 1984, KOLAKOVSKY 1992). These positive efforts resulted though in many assemblages of frequently heterogeneous taxa, causing more and more confusion. Such serious problems in delimiting taxa have recently initiated partial investigations in Campanula, using classical taxonomic methods in combination with molecular and statistical analyses, which have resolved some of the taxonomic problems of evolutionary-related and geographically-closer groups (CARLSTRÖM 1986, KOVANDA and AN^EV 1989, RUNEMARK and PHITOS 1996, EDDIE and INGROUILLE 1999, OGANESIAN 2001, SAEZ and ALDASORO 2003). In spite of all this, no generally accepted criteria for the subgeneric delimitation of Campanula exist: phylogeny and relationships among the »campanuloids« in general are still poorly known. It is traditionally considered that at least two major Campanula lineages (»sections«) have separate evolutionary patterns (BOISSIER 1875, FEDOROV 1957, CHARADZE 1949, FEDOROV and KOVANDA 1976), a conclusion based mainly on calyx morphology (presence/absence of appendages between the lobes) and on the mode of capsule dehiscence (apical or lateral, valvate or porate). The section Rapunculus Dumort. is most probably older, while it is widely distributed (also in North America), although outnumbered by the taxa within the Section Campanula s.str. However, the most recent investigations indicate that not even those two lineages are entirely natural. The latest molecular phylogenetic research (EDDIE et al. 2003) reveals some very interesting details: according to the analysis of ITS-sequences of nuclear ribosomal DNA, the genera Azorina, Campanulastrum, Edraianthus and Phyteuma actually nest within Campanula. The various taxa of that assemblage further group with related genera in three main clades: the Campanula s.str.-clade, which includes Azorina, Edraianthus, Symphyandra, Trachelium and some others; the Rapunculus-clade, with the addition of Adenophora, 172 ACTA BOT. CROAT. 63 (2), 2004 THE GENUS CAMPANULA IN CROATIA Asyneuma, Legousia, Phyteuma and others; and a small clade called the »transitional-taxa«, composed of Jasione and several other genera. Although the family is monophyletic, the genus Campanula is therefore polyphyletic. It appears that in its current circumscription Campanula is a classic »waste bin« taxon that includes a number of dubious taxa left over after morphologically well-characterized groups of campanuloids were removed to separate genera. Many taxa during the years have been placed in Campanula for convenience, while even some of the satellite sister-genera could well be restored to Campanula. Taking all of this into consideration, it is clear that this heterogeneous genus (collective genus acc. to GADELLA 1964), as it now stands, is in need of fundamental revision. The genus Campanula in the west Balkans and circum-Adriatic region According to the still valid literature (compilation of the Flora Europaea and the MedCheck-list, EURO+MED, in preparation, as well as the Atlas Florae Europeae with Campanulaceae included), approximately 200 to 250 Campanula species and subspecies are listed for Europe (FEDOROV and KOVANDA 1976) and the Mediterranean region (GESLOT 1984), respectively. The actual number of taxa may be greater considering the fact that so few have been adequately investigated. In south-eastern Europe research on the genus Campanula began with the floristic investigations in 18th century – and yet even 300 years later the quest for new taxa is not over (e.g. LUCCHESE 1993, RAN\ELOVI] and ZLATKOVI] 1998, LAKU[I] and CONTI 2004). Nevertheless, older botanists (e.g. BORBAS 1883, POSCHARSKY 1896, BECK-MANAGETTA 1901, ADAMOVI] 1909, 1911, 1929, HEGI 1908–1931, JAVORKA 1924–1925, FIORI 1927, HAYEK 1925–1933) noticed a tremendous diversity of campanulas in the west Balkans and both Adriatic coasts, occupying different habitats, from the shoreline to the highest mountains. The circum-Adriatic regions of the Balkans and Apennines (Fig. 1) form the northern section of the eastern Mediterranean biogeographical region (QUEZEL 1985). These two large European peninsulas are generally highly related in floristic and vegetation composition (PIGNATTI 1982, JUNIKKA and UOTILA 2002), as well in Campanula taxa (DAMBOLDT 1965a, FRIZZI 1988, BERNINI et al. 2002), which comprise a large share of the genus’ diversity and endemicity in both European and Mediterranean checklists. Circum-Adriatic campanulas share morphological characteristics and the similar vegetation conditions of the karstic Mediterranean-mountainous region, i.e. heliophytic chasmophyta of mountain rock crevices, scree and rubble. Cytological investigations have confirmed high similarity in number and form of chromosomes (GUTERMANN 1961, MERXMÜLLER and DAMBOLDT 1962, BÖCHER 1963, GADELLA 1964, PODLECH and DAMBOLDT 1964): campanulas of this region are primary diploids, often endemics and/or relicts reduced to small geographic areas, sometimes listed in the local Red Books. The distribution of Campanula species and subspecies in the countries of the eastern Adriatic and western Balkan region is given in table 1. Nomenclature is adjusted according to the data of FEDOROV and KOVANDA (1976) and GESLOT (in GREUTER et al. 1984), and supplemented by local floras and research of Italy (PIGNATTI 1982, LUCCHESE 1993), Slovenia (MARTIN^I^ 1999, JOGAN ed. 2001), Croatia (LOVA[EN-EBERHARDT 2000), Bosnia and Herzegovina (BJEL^I] 1983, [ILI] 2000, [OLJAN 2002), Former Yugoslav Republic of Macedonia (NIKOLOV 2004), Serbia and Montenegro (ROHLENA 1942, OBRADOVI] 1974, ACTA BOT. CROAT. 63 (2), 2004 173 KOVA^I] S. Fig. 1. Position of the circum-Adriatic and west Balkan countries in Europe. DIKLI] 1977, GAJI] 1986, RAN\ELOVI] and ZLATKOVI] 1998) and Albania (HAYEK 1923, DEMIRI 1981, QUOSIA 1996). Endemicity and polymorphism are noted to illustrate each taxon’s evolutionary pattern and range of variability. According to the data in table 1, the flora of the circum-Adriatic and western Balkan region contains 84 Campanula taxa: 65 species and 19 subspecies. This number is not final, while the immense range of lower taxa of uncertain taxonomical status (hereafter called the »incipient« species) is neglected. The flora of Serbia and Montenegro contains 48 Campanula species and subspecies, of north-eastern Italy 42, of Albania 37, of Croatia 35 (discussed separately), of Bosnia and Herzegovina 33, of FYR Macedonia 33, and of Slovenia 26 (Fig. 2), but these numbers are not final. Italian campanulas of northwest and southwest distribution, absent from the other countries in the region, were not listed: these are (according to PIGNATTI 1982) C. bertolae Colla, C. cenisia L., C. elatines L., C. elatinoides Moretti, C. fragilis Cyr., C. forsythii (Arcang.) Podlech, C. isophylla Moretti, C. macrorrhiza Gay ex DC., C. pollinensis Podlech, C. pseudostenocodon Lacaita, C. rhomboidalis 174 ACTA BOT. CROAT. 63 (2), 2004 THE GENUS CAMPANULA IN CROATIA 50 48 42 37 40 35 33 33 26 30 20 10 0 S&M NE Italy Albania Croatia B&H FYRM Slovenia Fig. 2. Number of Campanula species and subspecies in countries of the circum-Adriatic and western Balkan region. L., C. sabatia De Not., and C. stenocodon Boiss. et Reuter. Taxa stated as cultivated or dubious were excluded. As many as 63 taxa (75%) listed in Table 1 are indigenous to the region, and many of them subendemics with tiny distributions. About 35% of the species are variable, some of them tremendously so (e.g. C. rotundifolia, C. glomerata L., C. patula L.). Comparative experimental investigations using modern methods have rarely been conducted among the southeast European campanulas (FRIZZI 1988, KOVA^I] et al. 2003), which makes sub-generic systematization extremely difficult. The genus Campanula in Croatia According to the data of LOVA[EN-EBERHARDT (2000), the genus Campanula is represented in Croatia by 38 species and 8 subspecies, as shown in table 2. Lova{en-Eberhardt marked taxa that she considered to be of dubious taxonomic status or controversial occurrence in Croatia with »?«. She also treated C. fenestrellata Feer subsp. istriaca (Feer) Damboldt as species C. istriaca Feer, which is not considered valid by most of the recent authors. Complex subgeneric delimitation is adjusted by the present author, following the most prominent works of DAMBOLDT (1965a, 1968), FEDOROV (1957), KOVANDA (1970b, 1977), FEDOROV and KOVANDA (1976) and GESLOT (1984), in order to represent the variety of different views concerning the inter-taxonomic relationships of the genus. Additional literature on Campanula and Campanulaceae in Croatia should be found in NIKOLI] (2000). Based on my research, I suggest that 7 species and 3 subspecies of Campanula are of highly dubious existence in Croatia and should be removed from the Croatian checklist pending further investigation. In table 2 I compare data presented by LOVA[EN-EBERHARDT (2000) to those of the most outstanding older researchers of Croatian flora: VISIANI (1847, ACTA BOT. CROAT. 63 (2), 2004 175 ACTA BOT. CROAT. 63 (2), 2004 Magyar Bot. Lap. 5: C. linifolia ssp. albanica (Witasek) 246 (1906) Hayek, C. rotundifolia ssp. hellenica Hayek, C. hellenica Hayek P 2 alpestris All. Auct. Syn. Stirp. Horti Taur. 11 (1773) P 3 alpina ssp. alpina Jacq. Enum. Stirp. Vindob. 36: 210 (1762) P 4 – ssp. orbelica (Pan~i}) Urum. Spis. Balg. Akad. C. alpina Jacq. ssp. orbelica Pan~i} Nauk, 28: 147 (1923) P 5 barbata Linne Syst. Nat. ed 10: 926 (1759) C. firmiana Vandelli 6 beckiana Hayek Fl. Steierm. 2(1): 455 (1912) C. hostii Baumg., C. baumgartenii J. Becker ssp. beckiana 7 bononiensis Linne Sp. Pl. 165 (1753) ?C. obliquifolia Ten., C. ruthenica Bieb., C. simplex Lam. non Stev., incl. var. cana Simonkai, var. concolor Pan~i} 8 calycialata* Ran|elovi} et Zlatkovi} Flora Medit. 8, 85-92 (1998) C. allionii Vill. P P P P P ? P P P P ? P P P P P P P Albania Witasek FYR Macedonia albanica Montenegro P 1 Serbia & pt Herzegovina E Bosnia & Synonyms, included taxa Croatia Source Slovenia Author NE Italy Nr Campanula L. P P ? P ? P P P P P P P P P P P KOVA^I] S. 176 Tab. 1. Campanula species and subspecies distribution in the circum-Adriatic and west Balkan countries: northeastern Italy, Slovenia, Croatia, Bosnia & Herzegovina, Serbia & Montenegro, FYR Macedonia, and Albania. E = endemic taxon, pt = polymorphic taxon, grey cells = unreliable reference, cult. = taxon stated as cultivated,? = taxon stated as dubious. C. linifolia Scop. non L., C. scheuchzeri Vill. var. carnica. Posp., C. rotundifolia Bertol p.p. nec L., C. rotundifolia L. var. forsythii Arcangeli, C. macrorrhiza Parl. p.p. nec Gay P P P P P 10 cervicaria Linne Sp. Pl. 167 (1753) var. cervicaria, var. micrantha P P P 11 cespitosa Scop. Fl. Carniol. 2(1): 143 (1772) incl. C. caespitosa P P P 12 cochleariifolia Lam. Encycl. Meth. Bot. 1:578 (1785) C. pusilla Haenke, C. pusilla ssp. croatica P Hruby, C. hochstetteri Schott et al., C. notata Schott et al., C. tenella Jordan, C. caespitosa Vill. non Scop., C. bellardii Allioni P P P 13 crassipes Heuffel Österr. Bot. Zeitsch. 8: 27 (1858) 14 dichotoma Linne Cent. Pl. 2: 10 (1756) 15 erinus Linne Sp. Pl 169 (1753) Roucela erinus (L.) Dumort, C. nanella P. A. Smirn. J. Bot. 28: 272 (1890) C. garganica Vis. non Ten., C. garganica Ten. ssp. fenestrellata (Feer) Hayek, C. lepida Feer 16 fenestrellata ssp. Feer fenestrellata P P Albania Croatia Deutschl. Fl. 3(2): 158 (1826) carnica FYR Macedonia Slovenia Schiede ex Merth. et Koch 9 Montenegro pt Serbia & E Herzegovina Synonyms, included taxa Bosnia & Source Nr Campanula L. P P P ? P P P P P P P P P P P P P P P P P P P 177 THE GENUS CAMPANULA IN CROATIA Author NE Italy ACTA BOT. CROAT. 63 (2), 2004 Tab. 1. – continued KOVA^I] S. ACTA BOT. CROAT. 63 (2), 2004 (Feer) Damboldt Jour. Bot. 28: 271 (1890) P 19 foliosa Ten. Fl. Nap. 1, Prodr. 16 (1811) P 20 formanekiana Degen et Dörfl. Denkschr. Akad. Wiss. Math.-Nat. Kl. (Wien) 54: 728 (1899) P 21 garganica Ten. Cat. Sem. Horti Nap. (1827) C. barbeyi Feer 22 glomerata ssp. glomerata Linne Sp. Pl. 166 (1753) C. aggregata Willd., C. speciosa Hoenem non Pourr. C. viridis Rchb. (=var. mediterranea Borb.), C. cephalotes Fischer; div. var. et f. 23 – ssp. (Schult.) cervicarioides P. Fourn. Quatre Fl. Fr. 914 (1939) C. cervicarioides Schult. P P 24 – ssp. elliptica Mitt. Thür. Bot. Ges. 1(1): 118 (1949) C. elliptica Schult. P P Albania 18 – ssp. istriaca FYR Macedonia P Montenegro Bot. Jahrb. Syst. 84: C. debarensis Rech.f. 358 (1965) Serbia & (Rech.f.) Damboldt P pt Herzegovina 17 – ssp. debarensis C. istriaca Feer, C. garganica Ten. ssp. istriaca (Feer) Hayek, C. fenestrellata Feer ssp. istriaca (Feer) Fed. E Bosnia & Source Croatia Author Slovenia Nr Campanula L. (Kit. ex Schult.) O. Schwarz Synonyms, included taxa NE Italy 178 Tab. 1. – continued P P P P P P ? P P P P P P P P P P P P P P P P P P P P 26 – ssp. hispida (Witasek) Hayek Prodr. Fl. Penins. C. glomerata f. hispida Witasek, C. Balcan. 2: 532 (1930) lamioides Witasek 27 – ssp. serotina (Wettst.) O. Schwarz Mitt. Thür. Bot. Ges. C. serotina Wettst. 1(1): 118 (1949) P 28 grossekii Heuffel Flora (Regensburg) 16: 353 (1833) P 29 hawkinsiana Hausskn. et Heldr. Mitt. Georg. Ges. C. halacsyana Bald. (Jena) 5(2): 87 (1887) P 30 hercegovina Degen et Fiala Österr. Bot. Zeitsch. ?C. tarana K. Maly, div. var, subvar, f., 44: 303 (1894) subf. P 31 jordanovi An~ev et Kovanda Preslia 61: 200 (1989) P 32 justiniana Witasek Magyar Bot. Lapok C. linifolia ssp. justiniana (Witasek) 5:245 (1906) Hayek P 33 latifolia Linne Sp. Pl. 165 (1753) C. eriocarpa Bieb., incl. C. latifolia var. macrantha (A.DC.) Hornemann 34 lingulata Waldst. et Kit. Descr. Icon. Pl. Hung. 65 (1801) C. cichoriacea Sm., C. capitata Sims., incl. var. farinosa Roch., elliptica Kit., mediterranea Borb., div. f. et subvar. P P P P P P P P P P P P P P P P P P P Albania C. farinosa (Rochel) Andr., C. glaucophylla Schlosser et Vuk., C. desertorum Weinm. FYR Macedonia Fl. Alsace 1: 378 (1852) Montenegro (Rochel) Kirschl. Serbia & 25 – ssp. farinosa pt Herzegovina E Bosnia & Synonyms, included taxa Croatia Source Slovenia Author P P P P P P P P P P P P P P P P P P THE GENUS CAMPANULA IN CROATIA 179 Nr Campanula L. NE Italy ACTA BOT. CROAT. 63 (2), 2004 Tab. 1. – continued KOVA^I] S. Sp. Pl. 167 (1753) 38 micrantha Bertol. Fl. Ital. 7: 623 (1851) 39 moesiaca Velen. Sitz. Königl. Böhm. C. hirsuta Pant. Ges. Wiss. Prag, Math.-Nat. Cl. 1892: 385 (1893) P 40 moravica ssp. moravica (Spitzner) Kovanda Folia Geobot. Phytotax. Bohem. 3: 409 (1968) C. rotundifolia L. var. moravica Spitzn. P C. rotundifolia L. ssp. xylorrhiza O. Schwartz P C. marchesettii auct. Fl. It. Centr., C. apennina (Podlech) Podlech P P P P P P P P P P P P P Albania Linne P P cult. 37 medium P FYR Macedonia Abh. K. K. Zool.Bot. Ges. Wien 1(3): 32 (1902) Montenegro Witasek Herzegovina 36 marchesettii Bosnia & in Willd., Enum. Pl. C. multiflora Waldst. et Kit. Hort. Berol.: 213 (1809) pt Croatia Waldst. et Kit. C. scheuchzeri ssp. marchesettii non Vill. E Slovenia 35 macrostachya 41 – ssp. xylorrhiza (O. Schwartz) Folia Geobot. Kovanda Phytotax. Bohem. 3: 409 (1968) Synonyms, included taxa cult. Source NE Italy Author Serbia & ACTA BOT. CROAT. 63 (2), 2004 Nr Campanula L. (NW Italy) 180 Tab. 1. – continued P P P P ? P Linne Sp. Pl. 163 (1753) 44 – ssp. abietina (Griseb. et Schenk.) Simonkai Enum. Fl. Transsilv. C. abietina Griseb. et Schenk., 383 (1887) C. stefanoffi F. Hermann, C. vajdae Penzes P 45 – ssp. costae (Willk.) Fedorov Bot. J. Linn. Soc. 67: 281 (1973) C. costae Wullk. P 46 – ssp. epigaea (Degen) Hayek Repert. Spec. Nov. Regni Veg. Beih. 30(2): 546 (1930) C. epigaea Degen, C. velenovskyi Adamovi} P 47 – ssp. jahorinae (K. Maly) Greuter et Burdet Willdenovia 11: 40 (1981) C. patula f. jahorinae K. Maly P 48 persicifolia ssp. persicifolia Linne Sp. Pl. 164 (1753) C. cristallocalyx Adamovi}, C. hispida Lej., C. pumila F. W. Schmidt, incl. div. var. et f. C. monanthos Pant., C. flaccida (Wallr.) Dalla Torre et Sarnth., C. neglecta Schult.; incl. C. patula ssp. costae (Willkomm.) Fed., C.p. ssp. epigaea (Janka) Hayek, div. f. et subf. Albania 43 patula ssp. patula P FYR Macedonia Pl. Crit. 4: 18 (1826) Montenegro Rchb. Serbia & 42 morettiana pt Herzegovina E Bosnia & Synonyms, included taxa Croatia Source Slovenia Author P P P P P P P P P P P P P P P P P P P P P P P P P P P P P THE GENUS CAMPANULA IN CROATIA 181 Nr Campanula L. NE Italy ACTA BOT. CROAT. 63 (2), 2004 Tab. 1. – continued KOVA^I] S. Syst. Nat. ed 10: 926 (1759) 51 phygria Jaub. et Spach Ill. Pl. Orient. 3: 233 (1848) P C. ramosissima Griseb. non Sibth. et Sm.; div. f. ? P P P P P ACTA BOT. CROAT. 63 (2), 2004 52 portenschlagiana Schultes in Römer et C. muralis Portenschl., C. hederaefolia Schultes, Syst. Veg. Portenschl, C. morettiana Vis. non Rchb. 5:93 (1820) P P 53 poscharskyana Degen et Fiala Magyar Bot. Lapok C. elatines auct., non L. Reichenb. 7: 103 (1908) P P 54 pyramidalis Linne Sp. Pl. 164 (1753) P 55 raineri Perpenti Bibliot. Ital. 5: 134 (1817) P P 56 ramosissima Sibth. et Sm. Fl. Graecae Prodr. 1: 137 (1806) C. loreyi Pollini, C. baldensis Balb. P P 57 rapunculoides Linne C. trachelioides M.Bieb., C. cordifolia C. Koch, C. rhomboidea Falk, C. rhomboidalis Gorter, C. lunariaefolia Reich., C. setosa Fischer; div. f. Sp. Pl. 165 (1753) P Albania Linne P FYR Macedonia 50 petraea pt Montenegro P Serbia & E C. sessiliflora K. Koch, C. persicifolia L. ssp. eriocarpa (K.Koch) U. Dettmann et Rothm. Herzegovina Synonyms, included taxa Willdenovia 12: 36 (1982) Bosnia & Source (C. Koch) Greut. et Burd. Croatia Author 49 – ssp. sessiliflora Slovenia Nr Campanula L. NE Italy 182 Tab. 1. – continued P P P P P P P P P P P P P P P P P P P P P ? P P P P NE Italy Slovenia Croatia Bosnia & Herzegovina Serbia & Montenegro FYR Macedonia Albania ACTA BOT. CROAT. 63 (2), 2004 Tab. 1. – continued P P P P P P P P P P P P P P P P P P P P P P P P P P P ? P P Nr Campanula L. Author Source Synonyms, included taxa E pt 58 rapunculus Linne Sp. Pl. 164 (1753) C. elatior Hoffmans. et Link, C. verruculosa Hoffmans. et Link, incl. C. rapunculus ssp. lambertiana Boissier, C.r. var. spiciformis Boissier, div. var, f. et subf. P 59 reatina Lucchese Fl. Medit. 3: 266 (1993) 60 rotundifolia (s.l.) Linne Sp. Pl. 163 (1753) ? C. polymorpha (Witasek) Tacik, ? C. tarana K. Maly, C. scheuchzeriformis Hayek, C. lobata Schloss. et Vuk., C. racemosa (Kra{an) Witasek, C. pinifolia Uechtr.; div. ssp., var. et f. P 61 scheuchzeri Villars Prosp. Hist. pl. Dauph. 22 (1779) C. linifolia Haenke non Scop., C. rotundifolia L. ssp. balcanica (Adamovi}) Stoj. et Stefanov, C. uniflora Vill. non L. P 62 scutellata Griseb. Spic. Fl. Rumel.2: 282 (1846) 63 secundiflora Visiani et Pan~i} Mem. Imp. Reale Inst. Veneto Sci. 10: 442 (1861) 64 serrata (Kit.) Hendrych Taxon 11: 123 (1962) P P P P P P P P THE GENUS CAMPANULA IN CROATIA 183 C. pseudolanceolata Pant., C. napuligera Schurr., Thesium serratum Schultes (basion.) P KOVA^I] S. ACTA BOT. CROAT. 63 (2), 2004 66 – ssp. (Jav.) divergentiformis Domin Preslia 13-15: 222 (1936) C. divergens W. et Kit. in Willd., C. sibirica var. divergentiformis Jav., C. spathulata W. et K. P 67 sparsa ssp. sparsa Friv. Magyar Tud. Tars. Evk. 4(2): 201 (1840) C. expansa Friv., C. sparsa ssp. frivaldsky (Steudel) Hayek P 68 – ssp. sphaerothrix (Griseb.) Hayek Repert. Spec. Nov. Regni Veg. Beih. 30(2): 547 (1930) C. sphaerothrix Gris., C. expansa var. sphaerothryx Boiss. P 69 spatulata ssp. spatulata Sibth. et Sm. Fl. Graecae Prodr. 1: 137 (1806) C. sibthorpiana Halacsy P 70 – ssp. spruneriana (Hampe) Hayek Repert. Spec. Nov. Regni Veg. Beih. 30(2): 545 (1930) C. spruneriana Hampe P 71 spicata Linne Sp. Pl. 166 (1753) 72 tanfanii Podlech 73 thyrsoides ssp. thyrsoides Linne Sp. Pl. 167 (1753) P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P Albania C. hohenackeri Fisch., C. parviflora Lam., C. sibirica ssp. taurica Juz. FYR Macedonia Sp. Pl. 167 (1753) Montenegro Linne pt Serbia & 65 sibirica ssp. sibirica C. macrorrhiza Gay ex DC. var. angustiflora Tanfani E Herzegovina Synonyms, included taxa Bosnia & Source Croatia Author Slovenia Nr Campanula L. NE Italy 184 Tab. 1. – continued P P P P P P P C. waldsteiniana R. et S. var. tubulosa DC., P C. waldsteiniana R. et S. var. freyeri Reichenb., C. tommasiniana Reuter, C. waldsteiniana R. et S. var. tommasiniana (Reuter) Arcangeli 76 trachelium ssp. trachelium Linne Sp. Pl. 166 (1753) C. urticifolia F. W. Schmidt, C. trachelioides Bieb., C. athoa Boiss. et Heldr., incl. C. trachelium var orientalis Boiss., div. f. 77 – ssp. athoa (Boiss. et Heldr.) Hayek Prodr. Fl. Penins. Balcan. 2: 541 (1930) C. athoa Boiss. et Heldr. 185 P 79 tymphea Mitt. Georg. Ges. (Jena) 5(2): 87 (1887) P Hausskn. P P Cat. Pl. Hort. Neap. Asyneuma trich. (Ten.) K. Maly, App. 1: 35 (1815) Podanthum trich. (Ten.) Boiss., Phyteuma trich. (Ten.) Tanfani, C. minae Strobl P P P ? P P P P P P P P P P P P P P 78 trichocalycina** Ten. P P Albania Arch. Fl. France Allemagne 229 (1852) P FYR Macedonia C. Koch ? Montenegro 75 tommasiniana P Serbia & Ber. Bayer. Bot. C. th. var. carniolica Sünd. Ges. 37: 111 (1964) P P P THE GENUS CAMPANULA IN CROATIA 74 – ssp. carniolica (Sünd.) Podlech pt Herzegovina E Bosnia & Synonyms, included taxa Croatia Source Slovenia Author NE Italy Nr Campanula L. (SW Italy) ACTA BOT. CROAT. 63 (2), 2004 Tab. 1. – continued KOVA^I] S. ACTA BOT. CROAT. 63 (2), 2004 Andrews Bot. Repos. 6: 396 (1804) C. tenorii Moretti, C. mrkvickiana Velen. P 82 waldsteiniana Schultes Syst. Veg. 5:99 (1820) C. flexuosa Waldst. et Kit. non Michx. P 83 witasekiana Vierh. Mitt. Naturwiss. ?C. inconcessa Schott et al. nom ambig., Vereins Univ. Wien, C. scheuchzeri Vill. ssp. witasekiana 2(4): 72 (1906) (Vierh.) Hayek, div. var. et f. 84 zoysii Wulf. Collect. Bot. 2: 122 (1789) P P P P P P P P P P P P P Albania 81 versicolor P FYR Macedonia Math. Termeszettud. C. farinulenta A. Kern. et Wettst., Ertesitö 1: 81 (1883) C. bulgarica Witasek, C. balcanica Hruby p.p., C. rotundifolia L. ssp. velebitica (Borbas) Hayek, C.r. ssp. bulgarica (Witasek) Hayek, div. var. et f. Montenegro Borbas pt Serbia & E Herzegovina 80 velebitica * extinct in the wild (Ran|elovi}, pers. cont.) ** Asyneuma pichleri acc. to LAKU[I] and CONTI (2004) Synonyms, included taxa Bosnia & Source Croatia Author Slovenia Nr Campanula L. NE Italy 186 Tab. 1. – continued P P P P P P P P P P P THE GENUS CAMPANULA IN CROATIA 1872), NEILREICH (1868, 1869), SCHLOSSER and VUKOTINOVI] (1869), HIRC (1908, 1912), ROSSI (1924), JAVORKA (1925), ROSSI (1930), DEGEN (1938) and DOMAC (1950, 1994). Herbaria specimens of the Croatian Natural History Museum (CNHM), the Vienna Natural History Museum (W), Vienna University (WU, including Herbarium Halaczy), Zagreb University (ZA) and the Professor Ivo and Marija Horvat Herbarium (ZAHO) were examined. As campanulas of common occurrence in Croatian flora are present in all of the named Herbaria, and dubious taxa just in ZA and WU, these two collections are listed as exemplary in table 2. Just species and subspecies were taken into consideration. In his »Flora Dalmatica« VISIANI (1847, suppl. 1872) listed all taxa of the Campanulaceae family as various sections of the genus Campanula. He registered 24 Campanula species and subspecies, while some were included in the range of other taxa (e.g. C. portenschlagiana Schult. as C. morettiana Reichenb.). NEILREICH (1868, suppl. 1869) again assigned 24 taxa to the Croatian flora, with C. pulla L. (according to the localities, it could have been C. justiniana Witasek), C. beckiana Hayek (probably some other incipient taxon of the Rotundifolia group) and C. barbata L. (most likely cultivated). SCHLOSSER and VUKOTINOVI] (1869) in their »Flora Croatica« quoted 23 species and subspecies known in recent times in the Croatian flora. There were again C. barbata, C. beckiana, C. pulla (perhaps misspelled C. pusilla Haenke, syn. for C. cochleariifolia Lam., acc. to HIRC 1908), C. morettiana (= C. portenschlagiana) and C. macrostachya Willd. found around Zemun in Vojvodina, western Serbia. It is important to emphasize the good reasons for including recently absent taxa into the Croatian flora of that time. Firstly, there was a lack of efficient determination keys and scientifically recognized taxa in the region (i.e.? many heterophyllous taxa were referred as C. rotundifolia, and isophyllous taxa as C. garganica Ten.). Secondly, Croatian borders changed considerably over the years, expanding to include parts of recent Serbia and Montenegro, and Bosnia and Herzegovina, while ceding the Istria peninsula, Dalmatian coast and islands to Italy. HIRC (1908, 1912) in his revisions of older authors corrected most of the misinterpretations and quoted 32 Campanula species and subspecies known in recent times. In his »Materials for the flora of southern Croatia« (1924) ROSSI listed 21 Campanula taxa, and in the »Flora of Hrvatsko Primorje« (1930) 26 taxa. He wrongly assigned C. albanica Witasek (most probably C. velebitica Borbas) to the Croatian flora, and stated that some taxa were dubious. JAVORKA (1925) investigated the Croatian flora as a part of his »Magyar Flora«, in which the magnificent »Iconographia« is still valuable for this part of Europe. He regarded 34 Campanula species and subspecies as belonging to Croatia, including C. barbata, C. spicata L., C. serrata (Kit.) Hendrych and C. alpina Jacq., as dubious. HAYEK (1931), exploring the flora of the Balkans, listed 29 Campanula species and subspecies (with a number of lower taxa) for the Croatian area of that time. DEGEN (1938) noted 25 campanulas for the Velebit mountain region (C. spicata L. as dubious), with three taxa absent today (but possible, and very interesting): C. trachelium L. subsp. athoa (Boiss. et Heldr.) Hayek, C. x murrii Dalla Torre et Sarnth. (hybrid between C. cochleariifolia and C. scheuchzeri Vill.) and C. »staubii« Uechtr. (a common monstrosity of C. pyramidalis L.). Campanula barbata and C. medium were listed as cultivated. DOMAC quoted (1994) 29 Campanula species of recent circumscription. The Herbaria of Zagreb (ZA) and Vienna (WU) Universities have most of the Campanula taxa listed by LOVA[EN-EBERHARDT (2000), but lack those that are missing in the works of the aforementioned authors. ACTA BOT. CROAT. 63 (2), 2004 187 Rossi 1924 Javorka 1925 Rossi 1930 Hayek 1931 16 Hp P P P P P P P P rapunculus L., Sp. Pl. 164 (1753) 20 Hb P P P P P P P P patula L., Sp. Pl. 163 (1753), ssp. patula 20 (40) Hb P P P P P P P ramosissima Sibth. et Sm., Fl. Graecae Prodr. 1: 137 (1806) 20 T P P P P member of Croatian flora (Kova~i}) Hirc 1908 /1912/ persicifolia L., Sp. Pl. 164 (1753), ssp. persicifolia Domac 1950 /1994/ life form Campanula species and subspecies HERBARIA Degen 1938 2n Schloss.-Vuk. 1869 Campanula – references by older authors Neilreich 1868 /1869/ Lova{en-Eberhardt (2000) Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Subsection (Fedorov 1957) Campanulastrum (Fourr.) Fedorov Section (Fedorov 1957) Rapunculus (Fourr.) Boiss. ACTA BOT. CROAT. 63 (2), 2004 Rapunculus Dumort. Section (Fedorov and Kovanda 1976) Subgeneric delimitations ZA WU P P P P P P P P P P P P P P P P P P KOVA^I] S. 188 Tab. 2. Campanula species and subspecies distributed in Croatia (acc. to LOVA[EN-EBERHARDT 2000) with subgeneric delimitations, diploid chromosome number (2n) and life forms, compared to older literature and herbaria data. Hb = Hemichryptophyta-biennial, Hp = Hemichryptophyta-perennial, T = Therophyta (annual); grey cells = unreliable reference or reference from a recently non-Croatian locality, cult. = taxon stated as cultivated,? = taxon stated as dubious. 34 Hb(p) P P lingulata Waldst. et Kit., Descr. Icon. Pl. Hung. 65 (1805) 34 Hb P ? erinus L., Sp. Pl. 169 (1753) 28 T P P 189 Roucela (Dumort.) Damboldt Cervicaria Gris., Glomeratae Schur member of Croatian flora (Kova~i}) – ssp. divergentiformis (Jav.) Domin, Preslia 13-15: 222 (1936) P Domac 1950 /1994/ P cult. HERBARIA Degen 1938 P Hayek 1931 Hb(p) Rossi 1930 34 Javorka 1925 sibirica L., Sp. Pl. 167 (1753), ssp. sibirica Rossi 1924 Hb Hirc 1908 /1912/ 34 Schloss.-Vuk. 1869 Neilreich 1868 /1869/ Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Subsection (Fedorov 1957) Quinquelocula- medium L., Sp. Pl. 167 (1753) r(es) Boiss. Triloculares Boiss. life form Annuae (Boiss.) Fed. Campanula species and subspecies Campanula – references by older authors 2n Involucratae (Fomin) Fedorov Section (Fedorov 1957) Lova{en-Eberhardt (2000) ZA WU P P P P P P cult. cult. P P P P P P P P P P ? P P P P P P P P P P P P P P P P P ? P ? P P P P P ? P P P P spicata L., Sp. Pl. 166 (1753) 34 Hb P P P thyrsoides L., Sp. Pl. 167 (1753), ssp. thyrsoides 34 Hb P P P –?ssp. carniolica (Sünd.) Podlech, Ber. Bayer. Bot. Ges. 37: 111 (1964) 34 Hb P P P ? THE GENUS CAMPANULA IN CROATIA M e d i u m D C. Section (Fedorov and Kovanda 1976) Subgeneric delimitations Campanula ACTA BOT. CROAT. 63 (2), 2004 Tab. 2. – continued P P P P P P ?foliosa Ten., Fl. Nap. 1, Prodr. 16 (1811) 34 Hp glomerata L., Sp. Pl. 166 (1753), ssp. glomerata 30 Hp – ssp. cervicarioides (Schult.) Arcang., Comp. Fl. Ital. 456 (1882) 30 Hp – ssp. elliptica (Schult.) Kirschl., Fl. Alsace 1: 375 (1852) 30 Hp – ssp. farinosa (Andr.) Kirschl., Fl. Alsace 1: 378 (1852) 30 Hp – ssp. hispida (Witasek) Hayek, Repert. Spec. Nov. Regni Veg. Bieb. 30(2): 532 (1930) 30 Hp –?ssp. serotina (Wettst.) O. Schwarz, Mitt. Thür. Bot. Ges. 1(1): 118 (1949) 30 Hp member of Croatian flora (Kova~i}) P Domac 1950 /1994/ P Hb Hb Degen 1938 Javorka 1925 P 34 34 Hayek 1931 Rossi 1924 P cervicaria L., Sp. Pl. 167 (1753) ?moesiaca Velen., Sitz.-Ber. Böhm. Ges. Wiss. (Math.-Nat. Kl.) 385 (1893) HERBARIA Rossi 1930 life form Hirc 1908 /1912/ 2n Schloss.-Vuk. 1869 Campanula species and subspecies Campanula – references by older authors Neilreich 1868 /1869/ Lova{en-Eberhardt (2000) Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Cervicaria Gris., Glomeratae Schur Subsection (Fedorov 1957) Involucratae (Fomin) Fedorov Section (Fedorov 1957) M e d i u m D C. ACTA BOT. CROAT. 63 (2), 2004 Campanula Section (Fedorov and Kovanda 1976) Subgeneric delimitations ZA P P P P P P P P P P P P P P P P P P P P P WU P P P P P P P P P P P P KOVA^I] S. 190 Tab. 2. – continued member of Croatian flora (Kova~i}) P Domac 1950 /1994/ P Degen 1938 P Hayek 1931 P Rossi 1930 P Javorka 1925 Schloss.-Vuk. 1869 Hp Rossi 1924 Neilreich 1868 /1869/ 34 Hirc 1908 /1912/ life form Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Trachelium Jav., Rapunculoides Schur trachelium L., Sp. Pl. 166 (1753), ssp. trachelium 2n HERBARIA ZA P P P P P P WU P 191 latifolia L., Sp. Pl. 165 (1753) 34 Hp P P P P bononiensis L., Sp. Pl. 165 (1753) 34 Hp P P P P P P P P P P P P P rapunculoides L., Sp. Pl. 165 (1753), ssp. rapunculoides 68, 102 Hp P P P P P P P P P P P 32 Hp Pyramidalis (agg. Geslot 1984) Subsection (Fedorov 1957) Campanula species and subspecies Campanula – references by older authors pyramidalis L., Sp. Pl. 164 (1753) 34 Hp(b) P P P P P P P P P P P P P Waldsteiniana (agg. Geslot 1984) D C. Medium Lova{en-Eberhardt (2000) tommasiniana C. Koch in F.W. Schultz, Arch. Fl. Fr. Allem. 229 (1852) 34 Hp P P P P P P waldsteiniana Schult. in Roem. et Schult., Syst. Veg. ed. nov. 15(5): 99 (1819) 34 Hp P P P P P P (Asyne- trichocalycina Ten., Cat. Pl. uma) Hort. Neapol. App. 1: 35 (1815) P P P P P P P P P P P THE GENUS CAMPANULA IN CROATIA Campanula Eucodon Fedorov Section (Fedorov 1957) Subgeneric delimitations Section (Fedorov and Kovanda 1976) ACTA BOT. CROAT. 63 (2), 2004 Tab. 2. – continued HERBARIA poscharskyana Deg., Magyar Bot. Lapok 7: 103 (1908) 34 Hp fenestrellata Feer, J. Bot. 28: 272 (1890) 34 Hp P P P P P P P P P – (ssp.) istriaca Feer, Jour. Bot. 28: 271 (1890) 34 Hp P P P P P P P P cespitosa Scop., Fl. Carniol. ed. 2(1): 143 (1771) 34 Hp P P P P P P cochleariifolia Lam., Encycl. Meth. Bot. 1: 578 (1785) 34 Hp P P ? P P P serrata (Kit.) Hendrych Taxon 11: 123 (1962) 34 Hp witasekiana Vierh., Mitt. Naturwiss. Vereins Univ. Wien, 2(4): 72 (1906) 34 Hp scheuchzeri Vill., Prosp. Hist. Pl. 68 Dauph. 22 (1779) (102) Hp WU P P P P P P P P P P P P P P P P P P P P P P P P P P P P Degen 1938 P ZA Hayek 1931 P Domac 1950 /1994/ P Rossi 1930 Hp Javorka 1925 34 Rossi 1924 portenschlagiana Schult. in Roem. et Schult., Syst. Veg. 5: 93 (1819) Hirc 1908 /1912/ life form Schloss.-Vuk. 1869 2n Campanula species and subspecies P P P ? P P P P P P P P P P P member of Croatian flora (Kova~i}) Campanula – references by older authors Neilreich 1868 /1869/ Lova{en-Eberhardt (2000) Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Scheuchzer -ianae (Kovanda 1977) Lanceolatae (Kovanda 1970b) Alpicolae (Kovanda 1970b) Subsect. Isophylla Damboldt (series Garganicae Trinajsti}) Subsection (Fedorov 1957) Heterophylla Fedorov Section (Fedorov 1957) M e d i u m D C. ACTA BOT. CROAT. 63 (2), 2004 Campanula Section (Fedorov and Kovanda 1976) Subgeneric delimitations P P P P P P P P P P P KOVA^I] S. 192 Tab. 2. – continued 193 ?hercegovina Degen et Fiala, Österr. Bot. Zeitsch. 44: 303 (1894) 34 Hp marchesettii Witasek Abh. Zool.- (34) Bot. Ges. Wien 1(3): 32 (1902) 68 Hp velebitica Borbas Math. Termesz. (34) Ertesitö 1: 81 (1883) 68 Hp moravica (Spitzn.) Kovanda, Folia Geobot. Phytotax. (Praha) 3: 409 (1968), ssp. moravica 68 Hp – ssp. xylorrhiza (O. Schwartz) Kovanda, Folia Geobot. Phytotax. (Praha) 3: 409 (1968) 102 Hp 34, 68 (102) Hp rotundifolia L., Sp. Pl. 163 (1753) P P P P P P member of Croatian flora (Kova~i}) Hp P Domac 1950 /1994/ 34 P HERBARIA Degen 1938 justiniana Witasek Magyar Bot. Lapok 5: 245 (1906) Hayek 1931 P Rossi 1930 Hp Javorka 1925 34 Rossi 1924 carnica Schiede ex Merth. et Koch in Röhling, Deutschl. Fl. ed. 3(2): 158 (1826), ssp. carnica Hirc 1908 /1912/ life form Schloss.-Vuk. 1869 2n Campanula species and subspecies Neilreich 1868 /1869/ Campanula – references by older authors Visiani 1847 /1872/ syn. Subsection, Series, Group, Aggregate Saxicolae (Kovanda 1970b) Vulgares (Kovanda 1977) Subsection (Fedorov 1957) Fedorov Heterophylla Section (Fedorov 1957) Lova{en-Eberhardt (2000) ZA P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P WU THE GENUS CAMPANULA IN CROATIA M e d i u m D C. Section (Fedorov and Kovanda 1976) Subgeneric delimitations Campanula ACTA BOT. CROAT. 63 (2), 2004 Tab. 2. – continued KOVA^I] S. Considering the data in table 2, it is obvious that several Campanula species are indeed highly dubious for Croatian flora. Campanula ramosissima Sibth. et Sm. is an annual species distributed in the southern Balkans and northern Italy (where it might be introduced, acc. to PIGNATTI 1982). This species was originally referred to by all authors for the Kotor region, which today is part of Montenegro. Several ambiguous herbaria samples localized to »Dalmatien« (ZA) or »the border of Dalmatia and Montenegro« (WU) are not enough to keep this taxon as a member of the Croatian flora, while no data on recent Croatian localities exist. Campanula medium (native to central Italy and southern France) is regarded as cultivated in Croatia, like C. barbata in the past. As HIRC (1908) removed C. barbata from the Croatian Flora, I recommend that C. medium be removed too. This biennial is not often cultivated in Croatia and hardly ever escapes from gardens. The tall C. thyrsoides L. subsp. carniolica (Sünd.) Podlech is, at best, very rare in Croatia (only one dubious sample in WU), while the typical subspecies seems completely to prevail in Croatia. Sessile-flowered C. moesiaca Velen. and C. foliosa Ten. are taxa of the central Balkans and the central and southern Apennines, but are highly dubious for Croatia. At least two subspecies of the poorly investigated C. glomerata L. complex (subsp. hispida (Witasek) Hayek and subsp. serotina (Wettst.) O. Schwarz) could be excluded from the Croatian checklist until further notice, as well as C. trichocalycina Ten. This species of uncertain origin and taxonomic position, between Campanula, Asyneuma and Phyteuma (LAKU[I] and CONTI 2004) requires further investigation for a possible Croatian occurrence. Campanula serrata, centred in the Carpathians, is unknown in recent Croatian phytocenological relevés, although often referred to by older botanists for the whole region. Actually, the entire subsection Heterophylla needs fundamental research in the west Balkans. Campanula rotundifolia L. is, according to KOVANDA (1970a), in its typical form absent from Southeast Europe. However, large amounts of Croatian material in all the investigated herbaria are (mis)labelled as C. rotundifolia. There is a strong possibility that some recently evolved heterophyllous incipient taxa are the local equivalents of C. rotundifolia in the Croatian flora, i.e.? C. moravica (Spitzner) Kovanda with its subspecies. Heterophyllous campanulas of all groups are poorly investigated in Croatia, so it might be better for the C. rotundifolia aggregate to be retained in the Croatian flora pending further research. 3% 3% 6% 11% 2n=16 2n=28 2n=20 2n=30 63% 14% 2n=68 2n=34 Fig. 3. Chromosome numbers (2n) of 35 Croatian Campanula species and subspecies. 194 ACTA BOT. CROAT. 63 (2), 2004 THE GENUS CAMPANULA IN CROATIA After the expulsion of the aforementioned taxa from the recent checklist (LOVA[ENEBERHARDT 2000), the Croatian flora comprises 35 Campanula species and subspecies (42% of the regional campanulas). The prevailing diploid number is 2n = 34 (63%, in Fig. 3), while some uninvestigated taxa in Croatia could be represented by polyploid populations. Hemicryptophytes are dominant at 97% (Fig. 4). T (2,9%) Hb (22,8%) Hp (74,3%) Fig. 4. Spectrum of the life forms among 35 Croatian Campanula species and subspecies: Hp = Hemichryptophyta-perennial, Hb = Hemichryptophyta-biennial, T = Therophyta (annual). More than 30% of Croatian native campanulas are endemic. Only 3 species (Montenegrin C. ramosissima excluded) belong to the Section Rapunculus (sensu Dumort.): the polymorphous and broadly distributed C. rapunculus L., C. patula L. and C. persicifolia L.. The Croatian checklist indicates that these taxa are present only in their typical forms, which is highly unlikely: they are actually insufficiently investigated complexes of large distribution, with many included incipient taxa.. About 90% of Croatian campanulas are members of the Campanula Section (=Medium DC.), assembled in several more or less natural groups. There are only 3 (with the now excluded C. trichocalycina and C. medium) rather isolated taxa without closer relatives in the Croatian flora: C. sibirica L., C. lingulata Waldst. et Kit. (probably not closely related, though placed together in Triloculares by Boissier 1875) and C. erinus L. (part of the circum-Mediterranean subgenus Roucela (Dumort.) Damboldt). The subsection Involucratae (Fomin) Fedorov include sessile-flowered campanulas with thyrsiform (C. thyrsoides), spicate (C. spicata) and capitate (C. cervicaria L., C. glomerata, excluded C. moesiaca and C. foliosa) inflorescences. Also rather sessile-flowered are members of the subsection Eucodon Fedorov, as well as of the aggregate Pyramidalis (sensu GESLOT 1984). »Eucodons« are broadly distributed in European forests (C. trachelium L. and its relative C. latifolia L. of the higher altitudes) and open habitats (C. rapunculoides L. and its xerotherm relative C. bononiensis L.). Pyramidalis-taxa are of much narrower, south-European distribution, in Croatia represented only by the Illyrian-Adriatic/Balkan endemic C. pyramidalis L.. Together with its closest relatives, the southern Balkan/southern Italian C. versicolor Andrews and the Serbian subendemic C. secundiflora Visiani et Pan~i}, C. pyramidalis forms a unique group of »isophylloid« campanulas of Balkan origin. The Pyramidalis aggregate demonstrates the phytogeographic relations of the eastern Adriatic and west Balkan campanulas to southeast and central European floras. DAMBOLDT (1965a) excluded Pyramidalis-relatives from his isophyllous group of taxa (henceforth referred to as »subsection Isophylla« sensu DamACTA BOT. CROAT. 63 (2), 2004 195 KOVA^I] S. boldt), based on morphological differences. Then again, these two lineages must be related, taking into consideration crossing-experiments by MUSCH and GADELLA (1972), and some of the recent isoenzyme and molecular results (KOVA^I] et al. 2003, 2004). Close to this group stands the small, relict and subendemic aggregate Waldsteiniana (GESLOT 1984), whose relationships to all other campanulas remains rather controversial (FIORI 1927, HAYEK 1931, GADELLA 1964, DAMBOLDT 1965b). Waldsteiniana consists of two »isophylloid« Dinaric (Adriatic) Alps subendemic diploids: the Mt Velebit C. waldsteiniana Schult., and the Mt U~ka C. tommasiniana C. Koch. These two species share certain morphological characteristics with both isophyllous and heterophyllous campanulas, but are well distinguished (DAMBOLDT 1965b). Waldstein’s and Tommasini’s campanulas do not hybridise with any other isophyllous or heterophyllous taxa, although the data on such hybrids are extensive in horticultural literature (cp. CROOK 1951, LEWIS and LYNCH 1998). There is a possibility, which requires a further research, that some isolated northeast Italian subendemics could be the closest relatives to this group (DAMBOLDT 1965b), i.e. C. morettiana and C. raineri Perpenti. »Starbells« of the endemic subsection Isophylla are the most recognizable and most frequently cultivated campanulas of the western Balkan and circum-Adriatic region (CROOK 1951, LEWIS and LYNCH 1998, BERNINI et al. 2002). After the classical research of DAMBOLDT (1965a), the Isophylla are considered to be a natural group (this, however, was never proved via modern methods, nor critically tested after 1968), and consists of about 12 mutually isolated taxa, mainly distributed in the sub-Mediterranean area of the Adriatic, Ionian and Tyrrhenian coastal mountains. Cytological investigations (MERXMÜLLER and DAMBOLDT 1962, PODLECH and DAMBOLDT 1964) clearly distinguished two groups according to their diploid chromosome numbers: 32 or 34. According to TRINAJSTI] (in LOVA[ENEBERHARDT and TRINAJSTI] 1978), there are three groups (»series«) of isophyllous taxa, consistent with their distribution and morphology. The group Fragiles (2n = 32) includes the Tyrrhenian taxa C. fragilis and C. isophylla. The north Italian C. elatines and C. elatinoides are placed in the group Elatines (2n = 34). The Adriatic group Garganicae (2n = 34) includes Italian C. garganica Tenore (with two Greek subspecies and possibly the recently-discovered C. reatina Lucchese 1993), and the east Adriatic subendemics C. portenschlagiana Schultes, C. poscharskyana Degen and C. fenestrellata (with its subspecies’). These relicts and Tertiary schizoendemics are, according to DAMBOLDT (1965a), placed as a parallel lineage to the large and far more widely spread Subsection Heterophylla (Witasek) Fedorov and its group Rotundifolia. KOVANDA (1970a, b, 1977) described five heterophyllous groups (»series«) gathered around the extremely polymorphous C. rotundifolia (group Rotundifolia), described as »too intricate to be solved« by BÖCHER (1963) and a »huge polyploid structure« by KOVANDA and AN~EV (1989). Such a collective taxon is, by Kovanda’s opinion, in its typical form of »true« C. rotundifolia of the group Vulgares with its several closest relatives, of northern distribution. Kovanda assumed that in the mountains of the central Europe, western Balkan and circum-Adriatic region a number of neoendemic taxa of the groups Saxicolae, Lanceolatae, Alpicolae and Scheuchzerianae (Tab. 2) are developing, slowly replacing the typical C. rotundifolia of the North. Heterophyllous taxa (»harebells«) have so far received little attention in the region, although some must have been isolated for a long time and are undoubtedly determinable (e.g. the relict C. hercegovina or C. cespitosa Scop.). Yet, there are many members of this group that are so difficult to precisely recog196 ACTA BOT. CROAT. 63 (2), 2004 THE GENUS CAMPANULA IN CROATIA nize (BUZAS 1998) and are today disregarded and included in the range of the well-differentiated collective species (although in typical form quite divergent, e.g. the incipient taxa of the polymorphous C. velebitica Borbas complex: C. balcanica Hruby, C. farinulenta A. Kern. et Wettst., C. bulgarica Witasek etc.). Unlike the well isolated »garganicas«, different »rotundifolias« in Croatia often share wild habitats (e.g. C. scheuchzeri Vill., C. marchesettii Witasek, C. velebitica s.l. and C. witasekiana Vierh.), and probably hybridise (KOVANDA 1999). Also, unlike Garganicae, western Balkan Rotundifolia have no known localities in the eastern Adriatic islands: they are exclusive members of the mainland mountainous communities of karstic meadows, pastures, rock fissures and crevices. Though several Campanula taxa should be excluded from the recent Croatian Flora until further research is done, it is also highly possible that some taxa are yet unrecognized, have been disregarded, or included in other genera. Despite the isolated relicts, it seems that the large part of this perplexing collective genus is still evolving in this part of Europe, producing a number of local incipient species that are practically impossible to trace. Maybe the best way to deal with taxonomy of the young, still developing taxa is to assemble collective species of the closest relatives, while taxonomic expediency is more important than the recognition of dubious taxa. On the other hand, even populations that are recognisable only at the molecular level may be of value when it comes to conservation (EDDIE and INGROUILLE 1999). Many more biogeographical, morphological and molecular investigations – in both Croatia / Southeast Europe and globally – are needed, to increase our knowledge on the Campanula genus and its relatives’ taxonomy and evolution. Acknowledgements I am indebted to Prof. M. An~ev (Sofia, Bulgaria), Dr. A. Bernini (Stradella, Italy), Dr. W. Gutermann (Vienna, Austria), Prof. T. Lammers (Oshkosh, WI, USA), Prof. F. Lucchese (Rome, Italy), Mr. H. Mylemans (Bouwel, Belgium), Mr. Z. Nikolov (Skopje, FYR Macedonia), Dr. A. Oçak (Ess kisehir, Turkey), Dr. V. Ran|elovi} (Ni{, Serbia and Montenegro), Dr. G. 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