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- Bryophyta (6)
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Coscinodon humilis was described by Milde from mica schist in the Passeiertal NE Merano (formerly southern Tyrolia in Austria, hence cited as Austria by Greven 1995. now Alto Adige in Italy). Limpricht (1890) regarded it as “verkümmerte Form von C. cribrosus”, and although Mönkemeyer (1927) still cited it, the species got forgotten by the time. Thus the species was no more mentioned by Corley et al (1981) in the European checklist and therefore no more included by Frey et al. (1995) in the German edition of the “Moos- und Farnpflanzen Europas”. Greven (1995) re-established the species in his treatment of Grimmia (and related genera) in Europe. Therefore Frey et al. (2006) included the species, which was, however, not keyed out. Finally Hill et al. (2006) listed it again in the new European checklist as a good species.
Es werden 12 tropische Moosarten (alles nur Laubmoose) aufgeführt, welche in den Tropen (vorwiegend den Neotropen) eine geschlossene Verbreitung haben, in Europa aber nur lokal oder regional begrenzt vorkommen. Sie belegen die Möglichkeit der transkontinentalen Fernverbreitung von Moosen. Der Zeitpunkt als auch die Art und Weise der Verbreitung wird diskutieert.
Neue Nachweise von Baltischem Bernstein durch den zweiten Autor zeigten mehrere Moose und Lebermoose, die beschrieben werden, und hier dargestellt sind. Unter den Lebermoosen war eine zweite Aufzeichnung von Ptilidium pulcherrimum sowie der Jungermannia berendtii, Aufzeichnungen von Cylindrocolea dimorpha in drei verschiedenen Proben und Frullania Baltica. Die Moose beinhalten eine unbekannte Art, die neu beschrieben wird als Ditrichites ignotus.
Eight specimens of bryophytes from Baltic amber are described and illustrated, five mosses and three hepatics. The genus Grimmia as well as Brothera leana are reported for the first time as fossils. The mosses Ctenidium capillifolium, Atrichum groehnii and Hypnodontopsis fossilis as well as the hepatics Cylindrocolea dimorpha and Scapania hoffeinsiana are reported repeatedly. The hepatic Spruceanthus polonicus is recorded the second time and photographs are presented for the first time. In addition, a haplolepideous moss capsule as well as a unknown apparently pleurocarpous moss are illustrated.
Thalloid liverworts with unistratose thallus margins are easily determined as Aneura maxima, which shall be identified by this character. However, forms of Pellia epiphylla and P. endiviifolia grown under humid conditions can have an unistratose undulate thallus margin and thus confused with the latter. Pellia species can, however, be distinguished from Aneura by the presence of slime hairs vz. slime papillae, which are described and illustrated here.
Hot spots are characterized by the occurrence of „hot“ species, rare, endangered, phytogeographically (for example highly disjunct) or ecologically interesting species (for example heavy metal species). The Apuanian Alps (ital. Alpi Apuani) are a place of extraordinary botanical and also bryological interest. Although situated far from the west coast of Europe, many atlantic species are found there, which have isolated occurrences and show up next in Asturias, Macaronesia. Ireland or Scotland. Representative of the oceanic element in the bryoflora are Dumortiera hirsuta, Lejeunea lamacerina, Lophocolea fragrans, Plagiochila exigua, P. bifaria, Saccogyna viticulosa, Harpalejeunea ovata and Marchesinia mackaii, supplemented by ferns such as Trichomanes speciosum and Hymenophyllum tunbrigense (Cortini-Pedrotti et al. 1992). Reasons for the presence of such species in Italy are the extraordinary climatic conditions. Situated directly along the Meditrerranean Sea, the climate is mild and due to depressions in the gulf of Genova, the rain is caught by the mountains resulting in a high precipitation of about 1400 at the foot of the region and more than 3000 mm in the summit region. This does, however, not explain whether these species are relics from the Tertiary or dispersed from the W-coast of Europe after the Pleistocene glaciations.
The location of Ticino in the southern Alps with an altitudinal range from 200 to more than 3000 m generates a high biodiversity of bryophytes, however, in addition, a mixture of mediterranean elements (caused by mild temperatures), atlantic elements (caused by high precipitation) and especially insubrian elements (confined to the Southern Alps) has attracted many famous bryologists over the past 150 years and make this region to a real bryological hot spot. Six of the 7 insubrian species are mainly distributed in North America. Their presence in the Southern Alps is correlated with a certain geological formation and their origin is not clear.
Les Vosges appartiennent, du point de vue bryologique, aux régions de l’Europe moyenne les plus riches et les plus intéressantes en espèces. Malheureusement, il manquait pour les présenter une flore synthétique. En 1989, l’auteur avait publié à son compte une première édition en 100 exemplaires d’une Bryoflore des Vosges dans laquelle, pour la première fois, toute la littérature bryologique avait été exploitée et enrichie par ses données personnelles. Celle-ci avait été complétée par un carroyage qui donnait ainsi un aperçu de la connaissance bryologique de cette région. Treize ans plus tard, une deuxième édition de ce travail fut publiée dans la revue « Limprichtia ». Les deux éditions furent traduites en français parce qu’il était important qu’une flore régionale portant sur une partie du territoire de la France soit publiée dans la langue de ce pays. Le texte de la première édition avait été traduit par une collaboratrice de l’auteur et fut revue par René Schumacker. Les compléments apportés au texte de la deuxième édition ont été traduits par Michael Häussler , René Schumacker en ayant à nouveau revu la traduction. Francis Bick a revu le texte et a traduit les nouvelles adjonctions apportées à la Bryoflore des Vosges à l’occasion de cette troisième édition.
Dicranodontium didymodon, a species described from the Himalaya was recently reported from Spain. It has been distinguished from D. denudatum by a smooth subula. A reexamination of the type of this species revealed no additional characters which would support the recognition of a separate species. Therefore D. didymodon is synonymised with D. denudatum. The specimen from Spain is referred to D. denudatum var. glabrum, which differs from D. didymodon by larger stature and lack of brood leaves.