Echinodorus berteroi var. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald
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Synonym of: Echinodorus berteroi (Spreng.) Fassett
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Echinodorus berteroi var. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald
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Echinodorus berteroi var. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald