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Webbia
Journal of Plant Taxonomy and Geography
Volume 56, 2001 - Issue 1
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Original Articles

The chromosome number of Isoëtes duriei Bory (Lycopodiophyta, Isoëtaceae)

Il numero cromosomico di Isoëtes duriei Bory (Lycopodiophyta, Isoetaceae)

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Pages 219-221 | Received 05 Sep 2000, Accepted 14 Mar 2001, Published online: 14 Apr 2013
 

Summary

The somatic chromosome number of Isoëtes duriei, 2n=110, was counted in individuals collected on Mount Pisano, loc. Asciano (Pisa, Tuscany), in a olive grove terrace at 60 m a. s. l. The plant may be considered as decaploid (10x).

Su individui raccolti in un terrazzamento di un uliveto presso Asciano Pisano (Pisa), è stato possibile identificare il numero cromosomico di Isoëtes duriei, 2n = 110. La specie in questo popolamento presenta pertanto un genoma decaploide. Si tratta del primo reperto proposto per l'Italia continentale.

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