Morphological and phylogenetic relations of members of the genus Coelastrella (Scenedesmaceae, Chlorophyta) from the Ural and Khentii Mountains (Russia, Mongolia) Author Novakovskaya, Irina V. 0000-0001-5056-9965 Institute of biology Komi Science Center Ural Branch Russian Academia of Science, 28, Kommunisticheskaya St., Syktyvkar, 167982, Russia & novakovskaya @ ib. komisc. ru; https: // orcid. org / 0000 - 0001 - 5056 - 9965 novakovskaya@ib.komisc.ru Author Egorova, Irina N. 0000-0003-2774-1653 Siberian Institute of Plant Physiology and Biochemistry Siberian Branch of Russian Academy of Sciences, 132, Lermontova St., Irkutsk, 664033, Russia & irina-egorova- 1978 @ inbox. ru; https: // orcid. org / 0000 - 0003 - 2774 - 1653 irina-egorova-1978@inbox.ru Author Kulakova, Nina V. 0000-0001-5762-8817 Siberian Institute of Plant Physiology and Biochemistry Siberian Branch of Russian Academy of Sciences, 132, Lermontova St., Irkutsk, 664033, Russia & ninkul @ mail. ru; https: // orcid. org / 0000 - 0001 - 5762 - 8817 ninkul@mail.ru Author Shadrin, Elena N. Patova Dmitry M. Author Anissimova, Olga V. 0000-0003-3750-3675 Lomonosov Moscow State University Zvenigorod Biological Station, 1, Leninskie Gory, bldg. 12, Faculty of Biology, Moscow State University, Moscow, 119234, Russia & flora _ oa @ mail. ru; https: // orcid. org / 0000 - 0003 - 3750 - 3675 flora_oa@mail.ru text Phytotaxa 2021 2021-11-26 527 1 1 20 journal article 10.11646/phytotaxa.527.1.1 1179-3163 5728776

TABLE. Morphological features of the members of Coelastrella (according to literature and original data).

Species / Strain	Cell form	Dimensions of Polar wart-like vegetative cells [μm] thickenings		Cell wall ribs (LM /SEM)	Colour of old cells	Vacuoles	Akinetes / Dimensions of cells [μm]	Number of autospores / shape #
......continued on the next page
C. oocystiformis SYKOA Ch-045-091	single, fusiform, broadly ellipsoidal, lemon	7-21 × 4.5-17	1-3	LM: 8-12; SEM: 8-12 / smooth	olive-green to rust brown	numerous	present / up to 27	2-16
C. aeroterrestrica SYKOA Ch-047-111	– // –	5-23 × 5-21	– // –	LM: 8-12; SEM: 8-16 / –//–	– // –	sometimes	– // –	– // –
Coelastrella sp. SYKOA Ch-072-171	– // –	7-22 × 4.5-17	– // –	LM: 6-12; SEM: 6-12 / –//–	– // –	numerous	present / up to 25	– // –
C. oocystiformis IRK-A 21	– // –	6.7-22.9 × 4.3-18.9	1-3(4)	LM: 6-12(16); SEM: 8-12 / –//–	– // –	– // –	present / 27 × 24	– // –
C. terrestris IRK-A 1731	– // –	7.1-25.9 × 4.9-18.8	– // –	LM: 6-12(15); SEM: 12-16 / –//–	– // –	– // –	present / 33 × 24	– // –
C. aeroterrestrica ASIB SWK 1:22,*	– // –, globose, broadly ellipsoidal	3.5-12	absent	LM: –; SEM: 6-16 / –//–	—	missing	—	– // –
C. astaxanthina Ki-43,*	– // –, oval, broadly oval	5-10 × 3-8	1-2 or absent	LM: –; SEM: 27 ± 4 / rough	red	—	—	2-4
C. compacta (in an imperfect permanent preparation)4,*	colonies, rarely solitary, ellipsoid-ovoid, asymmetrical	10-22 × 7-17	1(2)	LM: up to 20; SEM: — / granulated	rust brown	absent	present	4-16
C. corcontica Kalina 1967 /95,*	– // –, – // –, ellipsoidal, ovoid	4-13 × 3-12	—	LM: 16-40; SEM: —	brick red	sometimes	—	2-16 / citriform
C. ellipsoidea LCR-CG 76,*	single, ellipsoidal	8-10 × 6-9	—	LM: –; SEM: up to 15 / granulated	—	—	—	2-4-8
C. levicostata –7	– // –, broadly ellipsoidal	12-17	1-2	LM: up to 20; SEM: — / smooth	rust brown	—	—	2-4
C. multistriata Innsbruk T 888,*	– // –, rarely colonies, ellipsoidal, ovoid	4-13 × 3-12	—	LM: 16-40; SEM: — / granulated or finely dentate	brick red	sometimes	—	2-16 / – // –roundly tetraedric
C. multistriata var. grandicosta single or in groups, LCR-CC-12-1d9,* ellipsoidal		7-12 × 6-9	—	LM: –; SEM: ≈ 9-12 / smooth?	red	—	—	4-8-16
C. oocystiformis SAG 277- 1/CCAP 277-1 10,* C. rubescens CCALA 475 / Vinatzer_Innsbruck V 195 11,*	single, broadly ellipsoidal – // –, fusiform, lemon, spherical	7.5-20× 5-15 5-18 × 3.5-12	1-3 1-2	LM: 8-12;TEM: 12-16 / smooth LM: 2-5; SEM and TEM: 4-10 and>, occasionally anastomosing / smooth?	yellowich to pale orange orange red	never observed sometimes	— up to 10-12 (15-18)	(2)4-8(16) 2-4-8