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New national species records of charophytes (Characeae) for Montenegro, Croatia, and Cyprus: update of rare species distribution in Southeast Europe

Roman Romanov

Roman Romanov

Komarov Botanical Institute of the Russian Academy of Sciences
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Romanov, Roman
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Vera Biberdžić

Vera Biberdžić

Natural History Museum of MontenegroPodgorica, Montenegro
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Biberdžić, Vera
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Snežana Dragićević

Snežana Dragićević

Montenegrin Academy of Sciences and ArtsPodgorica, Montenegro
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Dragićević, Snežana
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František Bednár

František Bednár

Švošov, Slovakia
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Bednár, František
  
Sep 01, 2025
New national species records of charophytes (Characeae) for Montenegro, Croatia, and Cyprus: update of rare species distribution in Southeast Europe's Cover Image
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Published Online: Sep 01, 2025
Page range: 159 - 170
Received: Dec 21, 2024
Accepted: Jan 08, 2025
DOI: https://doi.org/10.3986/hacq-2025-0012
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© 2025 Roman Romanov et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

The general habit of species from Montenegro: A – Chara corfuensis having a spiny outline because of long pointed bract-cells, spine-cells, and stipulodes, B – “Mediterranean Chara” having a less spiny outline, C – male plants of Chara galioides, D – female plants of Chara galioides. Arrowheads indicate female plants, subtle and less conspicuous in comparison to rough male plants bearing large orange antheridia. Photographs by R. E. Romanov.Slika 1: Splošna podoba vrst v Črni gori: A – Chara corfuensis ima trnast obris zaradi dolgih špičastih braktejnih celic, trnskih celic in paprilističev, B – “Sredozemska Chara” ima manj trnast habitus, C – moške rastline vrste Chara galioides, D – ženske rastline vrste Chara galioides. Puščice kažejo manj opazne ženske rastline, saj imajo moške rastline velike oranžne anteridije. Fotografije R. E. Romanov.
The general habit of species from Montenegro: A – Chara corfuensis having a spiny outline because of long pointed bract-cells, spine-cells, and stipulodes, B – “Mediterranean Chara” having a less spiny outline, C – male plants of Chara galioides, D – female plants of Chara galioides. Arrowheads indicate female plants, subtle and less conspicuous in comparison to rough male plants bearing large orange antheridia. Photographs by R. E. Romanov.Slika 1: Splošna podoba vrst v Črni gori: A – Chara corfuensis ima trnast obris zaradi dolgih špičastih braktejnih celic, trnskih celic in paprilističev, B – “Sredozemska Chara” ima manj trnast habitus, C – moške rastline vrste Chara galioides, D – ženske rastline vrste Chara galioides. Puščice kažejo manj opazne ženske rastline, saj imajo moške rastline velike oranžne anteridije. Fotografije R. E. Romanov.

Figure 2:

Distribution of charophyte species in Southeast Europe and Cyprus based on available data according to time intervals in the monograph “Charophytes of Europe” (Schubert et al., 2024; see references in the text). A – Chara corfuensis, B – Chara galioides, C – Chara squamosa, D – the taxon of uncertain affiliation “Mediterranean Chara”, E – Tolypella hispanica, F – Sphaerochara intricata, G – Tolypella nidifica. Black dots are records from 1980 on, red dots from 1950 to 1979, and yellow dots before 1950.Slika 2: Razširjenost parožic v jugovzhodni Evropi in na Cipru, prikazana na osnovi podatkov iz monografije “Charophytes of Europe” (Schubert et al., 2024; glej reference v tekstu) v časovnih intervalih. A – Chara corfuensis, B – Chara galioides, C – Chara squamosa, D – takson z nejasno pripadnostjo “Sredozemska Chara”, E – Tolypella hispanica, F – Sphaerochara intricata, G – Tolypella nidifica. Črne točke so podatki od leta 1980 naprej, rdeče točke med letoma 1950 in 1979 in rumene točke pred letom 1950.
Distribution of charophyte species in Southeast Europe and Cyprus based on available data according to time intervals in the monograph “Charophytes of Europe” (Schubert et al., 2024; see references in the text). A – Chara corfuensis, B – Chara galioides, C – Chara squamosa, D – the taxon of uncertain affiliation “Mediterranean Chara”, E – Tolypella hispanica, F – Sphaerochara intricata, G – Tolypella nidifica. Black dots are records from 1980 on, red dots from 1950 to 1979, and yellow dots before 1950.Slika 2: Razširjenost parožic v jugovzhodni Evropi in na Cipru, prikazana na osnovi podatkov iz monografije “Charophytes of Europe” (Schubert et al., 2024; glej reference v tekstu) v časovnih intervalih. A – Chara corfuensis, B – Chara galioides, C – Chara squamosa, D – takson z nejasno pripadnostjo “Sredozemska Chara”, E – Tolypella hispanica, F – Sphaerochara intricata, G – Tolypella nidifica. Črne točke so podatki od leta 1980 naprej, rdeče točke med letoma 1950 in 1979 in rumene točke pred letom 1950.

Figure 3:

Key traits and the general habit of species from Cyprus and Montenegro. A – Chara squamosa from Cyprus: diplostichous tylacanthous stem cortex with short solitary spine cells, ecorticate branchlets (arrowhead), B – upper part of Sphaerochara intricata, arrowheads indicate typical forked sterile branchlets, C – general habit of Tolypella nidifica, D – general habit of male plants of Tolypella hispanica with large orange antheridia. Photographs: A – F. Bednár, B–D – R. E. Romanov.Slika 3: Ključni znaki in splošen habitus vrst s Cipra in Črne gore. A – Chara squamosa s Cipra: dvoslojna grbančasta skorja stebla s kratkimi, posamičnimi trnskimi celicami, vejice brez skorje (puščica), B – zgornji del vrste Sphaerochara intricata, puščice kažejo značilne viličaste sterilne vejice, C – splošen habitus vrste Tolypella nidifica, D – habitus moške rastline vrste Tolypella hispanica z velikimi oranžnimi anteridiji. Fotografije: A – F. Bednár, B–D – R. E. Romanov.
Key traits and the general habit of species from Cyprus and Montenegro. A – Chara squamosa from Cyprus: diplostichous tylacanthous stem cortex with short solitary spine cells, ecorticate branchlets (arrowhead), B – upper part of Sphaerochara intricata, arrowheads indicate typical forked sterile branchlets, C – general habit of Tolypella nidifica, D – general habit of male plants of Tolypella hispanica with large orange antheridia. Photographs: A – F. Bednár, B–D – R. E. Romanov.Slika 3: Ključni znaki in splošen habitus vrst s Cipra in Črne gore. A – Chara squamosa s Cipra: dvoslojna grbančasta skorja stebla s kratkimi, posamičnimi trnskimi celicami, vejice brez skorje (puščica), B – zgornji del vrste Sphaerochara intricata, puščice kažejo značilne viličaste sterilne vejice, C – splošen habitus vrste Tolypella nidifica, D – habitus moške rastline vrste Tolypella hispanica z velikimi oranžnimi anteridiji. Fotografije: A – F. Bednár, B–D – R. E. Romanov.
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