Zygnemaphyceae associated with Utricularia foliosa L. in Iguacu National Park, Parana, Brazil

作者：de Menezes Viviane Costa^*; Bueno Norma Catarina; Sobjak Thais Maylin; Bortolini Jaseieli Carla; Temponi Livia Godinho

来源：Iheringia Serie Botanica, 2013, 68(1): 5-26.

• aquatic macrophyte
• conservation unit
• desmids
• taxonomy

This study aimed to know the Zygnemaphyceae species associated to Utricularia foliosa L., in an aquatic ecosystem within the Iguacu National Park. Periphytic samples were collected monthly from the aquatic macrophyte U. foliosa between February 2010 and February 2011. A total of 63 taxa were identified, distributed among 14 genera. Cosmarium Corda ex Ralfs and Staurastrum Meyen were the genera most representative in number of species. Closterium lunula var. maximum Borge, C. nasutum Nordst., Cosmarium creperum West & West, Euastrum latipes Nordst. var. latipes f. evolutum Gronblad, Pleurotaenium sp., Staurastrum forficulatum var. minus (F.E. Fritsch & M.F. Rich) R.L. Gronblad & A.M. Scott, S. neglectum G.S. West, S. punctulatum Breb. var. punctulatum f. minor (West & West) and S. quadrangulare (Breb.) Ralfs var. sanctipaulense C. Bicudo, new citations for Parana, are described, illustrated and discussed.

• 出版日期2013-6-30