Polypodium x mantoniae (P. interjectum x P. vulgare), new hybrid in Romania, confirmed using flow cytometry

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Authors

HELÁNOVÁ Klára BUREŠ Petr ŠMARDA Petr HOROVÁ Lucie

Year of publication 2004
Type Article in Periodical
Magazine / Source Contributii Botanice
MU Faculty or unit

Faculty of Science

Citation
Web http://reviste.ubbcluj.ro/contributii_botanice/materiale/2004/Contrib_Bot_vol_39_pp_007-011.pdf
Field Botany
Keywords Polypodium; flow cytometry; Polypodiophyta; Pteridophyta; interspecific hybridization
Description Flow cytometry measurements confirmed the occurrence of Polypodium x mantoniae (P. interjectum x P. vulgare) in the Cheile Turzii Nature Reserve (Apuseni Mts., Cluj County). The relative 2C DNA content of this pentaploid hybrid was detected in relation to that of tetraploid Polypodium vulgare and hexaploid P. interjectum. Polypodium interjectum was found in the Bigăr Nature Reserve (Semenic Mts., Caraş-Severin County), close to its known locality in Cheile Nerei. Anatomical and morphological features (number of thick-walled cells in the annulus, spore length and stoma length) of all three Romanian Polypodium taxa are discussed and a brief survey of the distribution of these taxa in other European countries is included
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