TY  - JOUR
AU  - Fernández, Moreno
AU  - Luís, T
AU  - Vidaković, Danijela
AU  - Levkov, Zlatko
AU  - Sánchez, Castillo
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4546
AB  - A new freshwater diatom species Pinnularia baetica sp. nov. is described from two different ponds from the Mediterranean
area: Andalucia (South of Spain) and Lake Livadičko, Serbia. The species is described by observations under light (LM)
and scanning electron microscopy (SEM). The most similar taxa to P. baetica are P. atlasii and P. infirma that were studied
through material obtained in lagoons of northern Morocco (locus classicus of P. atlasi). Although there are similarities in the
morphological characters of the frustule, it was possible to verify both through LM and SEM observations, clear differences
between P. baetica and the latter two taxa: Pinnularia baetica has a panduriform shape more pronounced than P. infirma
and larger valve size. On the other hand, the absence of spines in P. baetica, the more convergent striation at the poles and
a slightly wider valve are the main differences with P. atlasi. This paper documents the distribution areas of P. baetica in
calcareous systems of oligotrophic mid-mountain ponds of Spain and Serbia.
PB  - Magnolia Press
T2  - Phytotaxa
T1  - Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
VL  - 435
IS  - 2
SP  - 85
EP  - 100
DO  - 10.11646/phytotaxa.435.2.1
ER  - 

@article{
author = "Fernández, Moreno and Luís, T and Vidaković, Danijela and Levkov, Zlatko and Sánchez, Castillo",
year = "2020",
abstract = "A new freshwater diatom species Pinnularia baetica sp. nov. is described from two different ponds from the Mediterranean
area: Andalucia (South of Spain) and Lake Livadičko, Serbia. The species is described by observations under light (LM)
and scanning electron microscopy (SEM). The most similar taxa to P. baetica are P. atlasii and P. infirma that were studied
through material obtained in lagoons of northern Morocco (locus classicus of P. atlasi). Although there are similarities in the
morphological characters of the frustule, it was possible to verify both through LM and SEM observations, clear differences
between P. baetica and the latter two taxa: Pinnularia baetica has a panduriform shape more pronounced than P. infirma
and larger valve size. On the other hand, the absence of spines in P. baetica, the more convergent striation at the poles and
a slightly wider valve are the main differences with P. atlasi. This paper documents the distribution areas of P. baetica in
calcareous systems of oligotrophic mid-mountain ponds of Spain and Serbia.",
publisher = "Magnolia Press",
journal = "Phytotaxa",
title = "Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area",
volume = "435",
number = "2",
pages = "85-100",
doi = "10.11646/phytotaxa.435.2.1"
}

Fernández, M., Luís, T., Vidaković, D., Levkov, Z.,& Sánchez, C.. (2020). Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area. in Phytotaxa
Magnolia Press., 435(2), 85-100.
https://doi.org/10.11646/phytotaxa.435.2.1

Fernández M, Luís T, Vidaković D, Levkov Z, Sánchez C. Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area. in Phytotaxa. 2020;435(2):85-100.
doi:10.11646/phytotaxa.435.2.1 .

Fernández, Moreno, Luís, T, Vidaković, Danijela, Levkov, Zlatko, Sánchez, Castillo, "Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area" in Phytotaxa, 435, no. 2 (2020):85-100,
https://doi.org/10.11646/phytotaxa.435.2.1 . .

TY  - JOUR
AU  - Vidaković, Danijela
AU  - Levkov, Zlatko
AU  - Hamilton, Paul
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4544
AB  - The genus Neidiopsis is small comprising eight known taxa distributed in oligotrophic to dystrophic freshwater habitats.
During observations of diatoms from alpine intermittent ponds on the Shara Mountain, Republic of North Macedonia,
a species of Neidiopsis with high abundance was observed. It is characterized by linear to linear–lanceolate valves with
a slightly undulated margin, 25.0–43.5 μm long and 6.0–7.0 μm wide. The raphe is filiform with straight proximal and
deflected distal raphe endings to the same side of the valve. Striae are partly biseriate near the axial area and continue as
uniseriate circular areolae (ca 40 in 10 μm) towards the valve mantle. Striae on each side of the valve are crossed by a
prominent longitudinal line located slightly closer to the valve margin. Ultrastructural features of the type population clearly
place this taxon into the genus Neidiopsis and aligned to N. levanderi sensu stricto. A similar documented ecotype population
(N. levanderi “calcicola”) sensu Lange-Bertalot (2001) is combined with our population and considered a new species N.
borealis sp. nov.
PB  - Magnolia Press
T2  - Phytotaxa
T1  - Neidiopsis borealis sp. nov., a new diatom species from the mountain Shar Planina, Republic of North Macedonia
VL  - 402
IS  - 1
SP  - 21
EP  - 28
DO  - 10.11646/phytotaxa.402.1.3
ER  - 

@article{
author = "Vidaković, Danijela and Levkov, Zlatko and Hamilton, Paul",
year = "2019",
abstract = "The genus Neidiopsis is small comprising eight known taxa distributed in oligotrophic to dystrophic freshwater habitats.
During observations of diatoms from alpine intermittent ponds on the Shara Mountain, Republic of North Macedonia,
a species of Neidiopsis with high abundance was observed. It is characterized by linear to linear–lanceolate valves with
a slightly undulated margin, 25.0–43.5 μm long and 6.0–7.0 μm wide. The raphe is filiform with straight proximal and
deflected distal raphe endings to the same side of the valve. Striae are partly biseriate near the axial area and continue as
uniseriate circular areolae (ca 40 in 10 μm) towards the valve mantle. Striae on each side of the valve are crossed by a
prominent longitudinal line located slightly closer to the valve margin. Ultrastructural features of the type population clearly
place this taxon into the genus Neidiopsis and aligned to N. levanderi sensu stricto. A similar documented ecotype population
(N. levanderi “calcicola”) sensu Lange-Bertalot (2001) is combined with our population and considered a new species N.
borealis sp. nov.",
publisher = "Magnolia Press",
journal = "Phytotaxa",
title = "Neidiopsis borealis sp. nov., a new diatom species from the mountain Shar Planina, Republic of North Macedonia",
volume = "402",
number = "1",
pages = "21-28",
doi = "10.11646/phytotaxa.402.1.3"
}

Vidaković, D., Levkov, Z.,& Hamilton, P.. (2019). Neidiopsis borealis sp. nov., a new diatom species from the mountain Shar Planina, Republic of North Macedonia. in Phytotaxa
Magnolia Press., 402(1), 21-28.
https://doi.org/10.11646/phytotaxa.402.1.3

Vidaković D, Levkov Z, Hamilton P. Neidiopsis borealis sp. nov., a new diatom species from the mountain Shar Planina, Republic of North Macedonia. in Phytotaxa. 2019;402(1):21-28.
doi:10.11646/phytotaxa.402.1.3 .

Vidaković, Danijela, Levkov, Zlatko, Hamilton, Paul, "Neidiopsis borealis sp. nov., a new diatom species from the mountain Shar Planina, Republic of North Macedonia" in Phytotaxa, 402, no. 1 (2019):21-28,
https://doi.org/10.11646/phytotaxa.402.1.3 . .

TY  - JOUR
AU  - Levkov, Zlatko
AU  - Vidaković, Danijela
AU  - Cvetkoska, Aleksandra
AU  - Mitic-Kopanja, Danijela
AU  - Krstić, Svetislav
AU  - van de Vijver, Bart
AU  - Hamilton, Paul Brian
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4404
AB  - Background and aims – An increased interest in the diatom flora from subaerial habitats in the Republic of North Macedonia has revealed the presence of a large number of interesting and often unknown, species. During a recent biodiversity survey, seven Muelleria species were recorded, several of which could not be identified based on the available literature. Methods – Using both Light Microscopy and Scanning Electron Microscopy techniques, the morphology of several Muelleria species has been analysed. The morphology of all taxa is described, illustrated and compared with other possible similar Muelleria taxa, known worldwide. Key results – Four already documented Muelleria species, M. gibbula, M. islandica, M. terrestris and M. undulata (= Navicula gibbula f. undulata) were identified, while two distinct species are described as new. These new species belong to the M. gibbula complex, and can be differentiated by valve size, stria density, shape of the proximal raphe ends and the shape of external areola foramina. The identity of one taxon remains uncertain due to a low number of observed specimens in the samples. As their ultrastructure is almost entirely unknown, they are briefly discussed. Conclusions – The diversity of Muelleria in Europe and the North Hemisphere is most likely underestimated and some of the previous records of M. gibbula belong to other species. Observations of diatoms from “extreme” habitats such as intermittent ponds, wet mosses and soils can reveal the existence of interesting and new species.
PB  - Belgique : Societe Royale de Botanique de Belgique
T2  - Plant Ecology and Evolution
T1  - Observations of the genus muelleria (bacillariophyceae) from the Republic of north Macedonia
VL  - 2019
IS  - 152
SP  - 293
EP  - 312
DO  - 10.5091/plecevo.2019.1611
ER  - 

@article{
author = "Levkov, Zlatko and Vidaković, Danijela and Cvetkoska, Aleksandra and Mitic-Kopanja, Danijela and Krstić, Svetislav and van de Vijver, Bart and Hamilton, Paul Brian",
year = "2019",
abstract = "Background and aims – An increased interest in the diatom flora from subaerial habitats in the Republic of North Macedonia has revealed the presence of a large number of interesting and often unknown, species. During a recent biodiversity survey, seven Muelleria species were recorded, several of which could not be identified based on the available literature. Methods – Using both Light Microscopy and Scanning Electron Microscopy techniques, the morphology of several Muelleria species has been analysed. The morphology of all taxa is described, illustrated and compared with other possible similar Muelleria taxa, known worldwide. Key results – Four already documented Muelleria species, M. gibbula, M. islandica, M. terrestris and M. undulata (= Navicula gibbula f. undulata) were identified, while two distinct species are described as new. These new species belong to the M. gibbula complex, and can be differentiated by valve size, stria density, shape of the proximal raphe ends and the shape of external areola foramina. The identity of one taxon remains uncertain due to a low number of observed specimens in the samples. As their ultrastructure is almost entirely unknown, they are briefly discussed. Conclusions – The diversity of Muelleria in Europe and the North Hemisphere is most likely underestimated and some of the previous records of M. gibbula belong to other species. Observations of diatoms from “extreme” habitats such as intermittent ponds, wet mosses and soils can reveal the existence of interesting and new species.",
publisher = "Belgique : Societe Royale de Botanique de Belgique",
journal = "Plant Ecology and Evolution",
title = "Observations of the genus muelleria (bacillariophyceae) from the Republic of north Macedonia",
volume = "2019",
number = "152",
pages = "293-312",
doi = "10.5091/plecevo.2019.1611"
}

Levkov, Z., Vidaković, D., Cvetkoska, A., Mitic-Kopanja, D., Krstić, S., van de Vijver, B.,& Hamilton, P. B.. (2019). Observations of the genus muelleria (bacillariophyceae) from the Republic of north Macedonia. in Plant Ecology and Evolution
Belgique : Societe Royale de Botanique de Belgique., 2019(152), 293-312.
https://doi.org/10.5091/plecevo.2019.1611

Levkov Z, Vidaković D, Cvetkoska A, Mitic-Kopanja D, Krstić S, van de Vijver B, Hamilton PB. Observations of the genus muelleria (bacillariophyceae) from the Republic of north Macedonia. in Plant Ecology and Evolution. 2019;2019(152):293-312.
doi:10.5091/plecevo.2019.1611 .

Levkov, Zlatko, Vidaković, Danijela, Cvetkoska, Aleksandra, Mitic-Kopanja, Danijela, Krstić, Svetislav, van de Vijver, Bart, Hamilton, Paul Brian, "Observations of the genus muelleria (bacillariophyceae) from the Republic of north Macedonia" in Plant Ecology and Evolution, 2019, no. 152 (2019):293-312,
https://doi.org/10.5091/plecevo.2019.1611 . .