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EN
The article presents the spread of the liverwort Tetralophozia setiformis in the Polish Tatra Mts (Western Carpathians). In the years 1814-1957 only four localities of this plant have been found in High Tatra Mts. Since the 90-ties, an increase in recording of T. setiformis has been noticed, including the first locality in Western Tatra Mts. Currently, there are 17 localities of T. setiformis in the Polish Tatra Mts. In many of them, the plant occurs abundantly; it also remains in the places of its first records. The species has a narrow ecological scale. It is attached to rock blocks, mostly of north exposition. It creates small, single-species turfs plaited in mossy pillows of alpine grasslands of Oreochloo distichae-Juncetum trifidi racomitrietosum lanuginosi hung among rocks.
EN
Twelve different polyamines from three functional groups have been tested for their influence on polymerase chain reaction (PCR). Using crude total DNA from the liverwort Pellia borealis we have found that tri- and tetra mines can strongly improve the efficiency of PCR.
EN
Mount Flora at Hope Bay, in northernmost part of Antarctic Peninsula, is a famous Jurassic flora locality. It has already been studied for a hundred years, but however, it is still possible to find there new taxa. Based on two species of liverworts found at Mount Flora (Schizolepidella gracilis and Schizolepidella birkenmajeri sp. nov.), the present study discusses affiliation of the genus Schizolepidella to liverworts. The new species Schizolepidella birkenmajeri is erected.
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