Oospore features among morphologically similar and closely related charophyte species: consistency and variability Author Milovanović, Vanja Author Popović, Slađana Author Predojević, Dragana Author Simić, Gordana Subakov Author Ržaničanin, Ana Author Sekulić, Jasmina Šinžar University of Belgrade, Faculty of Biology, Institute of Botany and Botanical Garden “ Jevremovac ”, Takovska 43, 11000 Belgrade (Serbia) itrbojevic @ bio. bg. ac. rs (corresponding author) Author Trbojević, Ivana University of Belgrade, Faculty of Biology, Institute of Botany and Botanical Garden “ Jevremovac ”, Takovska 43, 11000 Belgrade (Serbia) itrbojevic @ bio. bg. ac. rs (corresponding author) text Cryptogamie, Bryologie 2022 2022-11-16 20 12 189 200 http://dx.doi.org/10.5252/cryptogamie-algologie2022v43a12 journal article 10.5252/cryptogamie-algologie2022v43a12 1776-0992 7819451 CHARA “ CONNIVENS ” Oospores of Chara “ connivens ” in this study were on average elongated (prolate) and ellipsoidal in shape. Their color was dark brown to black – from approximately RAL 8019 (grey brown), through RAL 8022 (black brown) to graphite black (RAL 9011) ( Fig. 3B ). The membrane was opaque, light brown in color, and completely smooth. A total number of 62 oospores were included in the analysis, all of them from the vicinity of Bela Crkva (DP).