Paal, J., Trei, T. & Viik, M. 2007: Vegetation of Estonian watercourses, III. Drainage basins of the Moonsund Sea, the Gulf of Riga and Saaremaa Island. — Ann. Bot. Fennici 44: 321–344.
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Karpaviciene, B. 2007: Chromosome numbers of Allium from Lithuania. — Ann. Bot. Fennici 44: 345–352.
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Dogan, B., Duran, A. & Hakki, E. E. 2007: Phylogenetic analysis of Jurinea (Asteraceae) species from Turkey based on ISSR amplification. — Ann. Bot. Fennici 44: 353–358.
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Laitinen, J., Tahvanainen, T., Rehell, S. & Oksanen, J. 2007: Vegetation ecology and flooding dynamics of boreal aro wetlands. — Ann. Bot. Fennici 44: 359–375.
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Koponen, T. J. 2007: Orthomnion wui (Mniaceae, Musci), a new species from Hubei Province, China. — Ann. Bot. Fennici 44: 376–378.
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Gregor, T. & Karlsson, T. 2007: Potentilla sterneri (Rosaceae), a "new" species from Sweden. — Ann. Bot. Fennici 44: 379–388.
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Hu, G. W., Long, C. L. & Liu, K. M. 2007: Utricularia mangshanensis (Lentibulariaceae), a new species from Hunan, China. — Ann. Bot. Fennici 44: 389–392.
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Rostanski, K. 2007: Three new species of Oenothera from the Nordic countries. Flora Nordica Notes 32. — Ann. Bot. Fennici 44: 393–396.
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Deng, Y. F. 2007: Microtropis chaffanjonii (H. Lév.) Y.F. Deng, comb. nova (Celastraceae). — Ann. Bot. Fennici 44: 397–398.
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Dural, H., Tugay, O., Ertugrul, K., Uysal, T. & Demirelma, H. 2007: Astragalus turkmenensis (Fabaceae), a new species from Turkey. — Ann. Bot. Fennici 44: 399–402.
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Tyler, T. 2007: ERRATA: Lectotypification of names of Hieracium (Asteraceae) described from the Swedish province of Värmland. — Ann. Bot. Fennici 44: 403–406.
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Nomenclatural novelties in Ann. Bot. Fennici 44(5). — Ann. Bot. Fennici 44: 407.
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Paal, J., Trei, T. & Viik, M. 2007: Vegetation of Estonian watercourses, III. Drainage basins of the Moonsund Sea, the Gulf of Riga and Saaremaa Island. — Ann. Bot. Fennici 44: 321–344.
The general aims of the current study were to develop a classification of the plant communities of the watercourses connected with the three west-Estonian drainage basins: the Moonsund Sea, the Gulf of Riga and Saaremaa Island, to distinguish the main ecological variables which determine the occurrence of the dominating species and discriminate between the community types, and to establish a classification of the river reaches (habitats) and to identify the parameters distinguishing them. The data were clustered into 24 vegetation types of which 19 were dominated by vascular plant species, five clusters included communities of macroalgae and mosses. Distribution of communities of certain types is different in three drainage basins. Riverbed substrate, total N, NO3-N and O2 content in water proved to be the variables separating the clusters most reliably. The main environmental parameters affecting the occurrence of dominating species in the watercourses of western Estonia were bottom substrate, content of O2 and NH4-N, and N/P ratio in water. Of these parameters only NH4-N content appears to be important for all rivers across the country. The river reaches clustered into four habitat types and they were significantly separated by the prevailing bed-forming material and by water turbidity. Cross tabulation of the vegetation types and habitat types demonstrates that different type plant communities can grow in almost every habitat type; at the same time, there was not any community type exclusively bound to one habitat type. Considering the wide ecological amplitude, large geographical distribution and high phenotypic plasticity of hydrophytes, it seems rather doubtful to develop, at least for European oligo-mesotrophic to meso-eutrophic lowland watercourses, some reliable sample or system of indicator species rendering evaluation of general water parameters or habitat characteristics.
Karpaviciene, B. 2007: Chromosome numbers of Allium from Lithuania. — Ann. Bot. Fennici 44: 345–352.
The somatic chromosome numbers of a total of 57 populations of five Allium species were studied in Lithuania. The chromosome numbers were: A. angulosum 2n = 16, A. lusitanicum 2n = 32, A. oleraceum 2n = 32 and 40, A. scorodoprasum 2n = 16 and 24, and A. vineale 2n = 32 and 24. Allium oleraceum, A. scorodoprasum and A. vineale showed ploidy differences both within and among populations.
Dogan, B., Duran, A. & Hakki, E. E. 2007: Phylogenetic analysis of Jurinea (Asteraceae) species from Turkey based on ISSR amplification. — Ann. Bot. Fennici 44: 353–358.
Jurinea remains a taxonomically complex genus, many of the problems concentrating around J. mollis. In this study, Jurinea species native in Turkey were collected from different localities in Anatolia and DNA was isolated from the collected samples, using a commercial plant DNA extraction kit (Nucleon phytopure). Inter Simple Sequence Repeat (ISSR) was the fingerprinting method preferred due to its high level of reliability and consistency as compared with the Randomly Amplified Polymorphic DNA (RAPD). The data were analyzed with NTSYS-pc 2.1. The phytogeographical distribution of Jurinea was found to be closely related to the Anatolian Diagonal. Based on the Diagonal, two major taxonomic groups emerged, from which J. kileae was clearly separated both morphologically and phylogenetically.
Laitinen, J., Tahvanainen, T., Rehell, S. & Oksanen, J. 2007: Vegetation ecology and flooding dynamics of boreal aro wetlands. — Ann. Bot. Fennici 44: 359–375.
Aro wetlands are a poorly-known, hydrologically extreme inland habitat type outside permanent waterbodies, often occurring in weekly paludified parts of peatlands. They are characterized by alternating flood and drought periods. We studied these habitats in the mid-boreal zone in the coastal part of Northern Ostrobothnia (65deg.N). We made classification (Cluster analysis) and ordination analyses (NMDS) with small-sized relevés and measured the water table fluctuations from four sites over a seven-year-period in order to reveal the depth and duration patterns of flooding and the durations of dry periods in various aro communities. These were compared with Ellenberg's indicator values for moisture. Ellenberg's indicator values for soil reaction (checked from Finnish material) and nitrogen were applied for evaluating the significance of pH as an ecological gradient in aro wetlands and their fertility and productivity characteristics. A hydrological habitat template for aro wetlands could be compiled on the basis of the depth and duration characteristics of flooding and the duration characteristics of dry periods. A gradient comparable to the poor-rich gradient of mires was also detected. All the aro wetland types proved to be low-productive. The most essential ecological factor for aro wetlands was named "flood and desiccation influence". It seemed to cause a decrease in species number as a result of natural disturbance.
Koponen, T. J. 2007: Orthomnion wui (Mniaceae, Musci), a new species from Hubei Province, China. — Ann. Bot. Fennici 44: 376–378.
A new moss species, Orthomnion wui T.J. Kop. (Mniaceae) is described. It differs from its morphologically nearest relative O. yunnanense T.J. Kop., X.J. Li & M. Zang in being synoicous and lacking decurrent leaf bases, and from most of the other congeners by its stereidal cells in costa and serrate leaf margin. It is known only from the type specimens collected in the Hubei Province of China.
Gregor, T. & Karlsson, T. 2007: Potentilla sterneri (Rosaceae), a "new" species from Sweden. — Ann. Bot. Fennici 44: 379–388.
Potentilla sterneri T. Gregor & Karlsson sp. nova (Rosaceae) from southeastern Sweden is described and illustrated. The morphological characters of P. sterneri are compared to those of P. argentea, P. crantzii, and P. neumanniana. For nearly 200 years P. sterneri was known under misapplied names, P. collina, P. wimanniana (often as "P. Wiemanniana" ), or P. sordida. Potentilla sterneri is mainly associated with grazed low-productive grassland. On Öland and Gotland it still exists in many populations, but few remain in Blekinge and Småland. Names associated with the Potentilla collina group in Sweden are typified. — Flora Nordica note no. 33.
Hu, G. W., Long, C. L. & Liu, K. M. 2007: Utricularia mangshanensis (Lentibulariaceae), a new species from Hunan, China. — Ann. Bot. Fennici 44: 389–392.
Utricularia mangshanensis G.W. Hu, a new species of Lentibulariaceae from Hunan Province, China, is described and illustrated. It belongs to section Kamienskia and is very similar to U. peranomala, but differs in that its leaves are irregularly branched, its bract and bracteoles are not connate at the base, its corolla is white with a yellow dot on the palate of lower lip, and its spur is unequally 2-lobed at the apex.
Rostanski, K. 2007: Three new species of Oenothera from the Nordic countries. Flora Nordica Notes 32. — Ann. Bot. Fennici 44: 393–396.
In a revision of the nearly 3000 specimens of Oenothera in the 21 Nordic herbaria, a total of 46 species and 16 supposed hybrids were identified. From the 46 species, 23 were collected from cultivation in gardens and 23 were collected in the field. The commonest (with over 100 sheets) were: O. biennis (over 1000 sheets), O. rubricaulis, O. glazioviana, O. depressa and O. ammophila (over 100 specimens mainly from Denmark). Two new species, O. scandinavica and O. rubricauloides, are described and the previously published name O. wratislaviensis is validated.
Deng, Y. F. 2007: Microtropis chaffanjonii (H. Lév.) Y.F. Deng, comb. nova (Celastraceae). — Ann. Bot. Fennici 44: 397–398.
When Myrsine chaffanjonii H. Lév. is united with M. yunnanensis (Hu) C.Y. Cheng & T.C. Kao ex Q. H. Chen, the epithet chaffanjonii has priority at specific rank. Therefore, a new combination, Microtropis chaffanjonii (H. Lév.) Y.F. Deng is proposed herein.
Dural, H., Tugay, O., Ertugrul, K., Uysal, T. & Demirelma, H. 2007: Astragalus turkmenensis (Fabaceae), a new species from Turkey. — Ann. Bot. Fennici 44: 399–402.
Astragalus turkmenensis Dural, O. Tugay & Ertugrul sp. nova (Fabaceae) from Central Anatolia in Turkey is described. It is placed in sect. Cystium and known only from the type gathering. It is compared with the morphologically similar A. physodes subsp. acikirensis . A distribution map of the new species and the related species is provided.