Adigüzel, N. 1999: A new species of Astragalus (Fabaceae) from East Anatolia, Turkey. — Ann. Bot. Fennici 36: 231–233.
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Halonen, P., Myllys, L., Ahti, T. & Petrova, O. V. 1999: The lichen genus Usnea in East Fennoscandia. III. The shrubby species. — Ann. Bot. Fennici 36: 235–256.
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Norris, D. H., Koponen, T. & Piippo, S. 1999: Bryophyte flora of the Huon Peninsula, Papua New Guinea. LXVI. Meesiaceae (Musci), with lists of boreal to temperate disjunct, bipolar, and widely spread species in New Guinea. — Ann. Bot. Fennici 36: 257–263.
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Norris, D. H. & Koponen, T. 1999: Bryophyte flora of the Huon Peninsula, Papua New Guinea. LXVII. Amphidium (Rhabdoweisiaceae, Musci). — Ann. Bot. Fennici 36: 265–269.
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Potemkin, A. D. 1999: Circumscription of the family Scapaniaceae, with segregation of the new family Diplophyllaceae (Hepaticae). — Ann. Bot. Fennici 36: 271–283.
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Ruuskanen, A. & Bäck, S. 1999: Does environmental stress affect fertility and frond regeneration of Fucus vesiculosus? — Ann. Bot. Fennici 36: 285–290.
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Sonck, C. E. 1999: Two new Taraxacum species. — Ann. Bot. Fennici 36: 291–292.
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Sonck, C. E. & Øllgaard, H. 1999: New Taraxacum species from Finland. — Ann. Bot. Fennici 36: 293–298.
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Wallenius, T. H. 1999: Yield variations of some common wild berries in Finland in 1956–1996. — Ann. Bot. Fennici 36: 299–314.
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Adigüzel, N. 1999: A new species of Astragalus (Fabaceae) from East Anatolia, Turkey. — Ann. Bot. Fennici 36: 231–233.
Astragalus tuna-ekimii N. Adigüzel from East Anatolia, belonging to sect. Macrosemium Bunge, is described as a species new to science and illustrated.
Halonen, P., Myllys, L., Ahti, T. & Petrova, O. V. 1999: The lichen genus Usnea in East Fennoscandia. III. The shrubby species. — Ann. Bot. Fennici 36: 235–256.
Nine shrubby Usnea species are reported from East Fennoscandia: Usnea diplotypus Vain., U. fulvoreagens (Räsänen) Räsänen, U. glabrata (Ach.) Vain., U. glabrescens (Nyl. ex Vain.) Vain. ex Räsänen, U. hirta (L.) F. H. Wigg., U. lapponica Vain., U. subfloridana Stirt., U. substerilis Motyka and U. wasmuthii Räsänen. New chemotypes are reported in U. glabrescens, U. substerilis and U. wasmuthii. Some chemotypes have geographical tendencies in their distribution. For instance, the thamnolic acid strain of U. subfloridana is the main chemotype of the species only in some southern coastal regions. Several poorly known taxa described especially by V. Räsänen are identified and lectotypified. A key to the shrubby Usnea species in East Fennoscandia is provided.
Norris, D. H., Koponen, T. & Piippo, S. 1999: Bryophyte flora of the Huon Peninsula, Papua New Guinea. LXVI. Meesiaceae (Musci), with lists of boreal to temperate disjunct, bipolar, and widely spread species in New Guinea. — Ann. Bot. Fennici 36: 257–263.
Meesia triquetra (Richter) Ångstr. is the only species of the family Meesiaceae occurring in Western Melanesia and New Guinea. Two collections are from high elevation wetland areas, where the plant presumably has a similar habitat ecology on wet soils as in its northern localities. Documented list of boreal to temperate northern hemisphere bryophyte species having disjunct occurrences in New Guinea, list of bipolar species, and list of widely distributed species are presented. Most of disjunct species and bipolar species are either plants of high elevation open and rocky habitats or wetland habitats such as shore meadows or bogs in New Guinea. Widely distributed species occur either in habitats created by man's activities, or are plants of open or shaded rocky habitats, preferably cliffs.
Norris, D. H. & Koponen, T. 1999: Bryophyte flora of the Huon Peninsula, Papua New Guinea. LXVII. Amphidium (Rhabdoweisiaceae, Musci). — Ann. Bot. Fennici 36: 265–269.
Amphidium tortuosum (Hornsch.) Cufod. is the only species of the family Rhabdoweisiaceae occurring in Western Melanesia and New Guinea. Both collections came from cliff walls, one of them was in an open grassland area and the other in closed montane rainforest. The placement of Amphidium Schimp. in the neighbourhood of Dicranaceae and in the family Rhabdoweisiaceae instead of Orthotrichaceae is based on the presence of epigametophytic plants in Amphidium, which are unknown in the Orthotrichaceae, on the rhizoid topography similar to Dicranaceae and different from that in Orthotrichaceae, the pattern of papillosity of leaf cells, and on recent evidence from nucleotide sequences.
Potemkin, A. D. 1999: Circumscription of the family Scapaniaceae, with segregation of the new family Diplophyllaceae (Hepaticae). — Ann. Bot. Fennici 36: 271–283.
On the basis of phylogenetic analysis, the family Scapaniaceae Mig. is emended to include only the genus Scapania (Dumort.) Dumort. emend. Potemkin. The genus Macrodiplophyllum (H. Buch) Perss. is recognized as a subgenus in Scapania. The new combinations Scapania subgenus Macrodiplophyllum (H. Buch) Potemkin and Scapania plicata (Lindb.) Potemkin are provided. A new family, Diplophyllaceae Potemkin, with two genera, Diplophyllum (Dumort.) Dumort. and Douinia H. Buch, is segregated from the Scapaniaceae as a group of different origins resulting in a different morphology. Douinia is distinguished as a genus derived from Diplophyllum and its rank as a subfamily is rejected. The distinctive characters of Delavayella Steph. are discussed. Segregation of Delavayellaceae R.M. Schust. and Blepharidophyllaceae (R.M. Schust.) R.M. Schust. from the Scapaniaceae is supported.
Ruuskanen, A. & Bäck, S. 1999: Does environmental stress affect fertility and frond regeneration of Fucus vesiculosus? — Ann. Bot. Fennici 36: 285–290.
A study of Fucus vesiculosus was carried out along the exposed and moderately exposed shores of the Gulf of Bothnia, in the northern Baltic Sea, to test the hypothesis that environmental stress defined as decreasing salinity and increasing ice cover towards northern latitudes has an effect on fertility. In this area, F. vesiculosus was found to grow in tufts, many fronds emerging from the same holdfast. Thirty holdfasts with all their fronds were collected by SCUBA diving from exposed and moderately exposed shores at four sites between the Åland Island and the Quark. The number of fronds per holdfast was counted and the fertility index (FI) calculated. The FI of single frond decreased, and in contrast, the number of fronds per holdfast increased towards harsh northern environment. The FI and the number of fronds per holdfast from the exposed and the moderately exposed shores did not differ significantly at each site. However, there was a difference in the FI between exposed and moderately exposed shores along the environment gradient. We propose that F. vesiculosus responds to environmental stress and compensates for the impaired by harsh environmental conditions in the north generative reproduction by having a higher number of fronds emerging from the same holdfast. This holdfast proliferation can be considered vegetative reproduction.
Sonck, C. E. 1999: Two new Taraxacum species. — Ann. Bot. Fennici 36: 291–292.
The author describes two new species of Taraxacum: T. leucosquameum Sonck (of sect. Vulgaria or Ruderalia) from Luxembourg and T. carbocapillum Sonck (of unknown affinity) from Philadelphia, U.S.A. The species are illustrated in black and white photographs.
Sonck, C. E. & Øllgaard, H. 1999: New Taraxacum species from Finland. — Ann. Bot. Fennici 36: 293–298.
The paper describes two new Taraxacum species from southern Finland: Taraxacum glossodon Sonck & H. Øllg. (sect. Ruderalia) and Taraxacum nylandicum Sonck & H. Øllg. (sect. Boreigena), and one new species from northern Finland, Taraxacum porcellisinus Sonck & H. Øllg. (sect. Ruderalia). The species are illustrated in black and white photographs.
Wallenius, T. H. 1999: Yield variations of some common wild berries in Finland in 1956–1996. — Ann. Bot. Fennici 36: 299–314.
Estimates of some of the most common wild berry abundances and changes in their yields compared with the previous year were made in 1956–1996 as a part of the annual autumn game inquiries. The berries included in the inquiry were bilberry (Vaccinium myrtillus L.), cowberry (Vaccinium vitis-idaea L.), cloudberry (Rubus chamaemorus L.), both cranberry species (Vaccinium oxycoccos L. and V. microcarpum (Rupr.) Schmalh.), crowberry (Empetrum nigrum L.), rowan (Sorbus aucuparius L.), and wild strawberry (Fragaria vesca L.). On average, 500 observers throughout the country participated annually in the inquiry. Despite the subjective nature of the berry yield estimates, the results are valid for assessing annual changes in the yields of the most common wild berries as well as in long-term trends. The results are coincident with berry researchers' observations that the yields of cloudberry and wild strawberry have declined during the last decades. The significant (p < 0.01) positive correlations between the yields of the different berry species indicate that meteorological factors influence yields of most berry species in a similar way. Nevertheless, I was not successful in explaining the differences in abundances of bilberry and cloudberry with climate variables. Contrary to expectations, the previous year's yield did not correlate negatively with the next yield, except for rowan.