However, it may be significant that although the mycorrhizae gave modest assistance to both species of subgenus Barlia when accumulating nitrogen, only the mycorrhizae of H. robertianum also contributed to carbon accumulation in the orchid ( Liebel et al., 2010 ).
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<i>In situ</i> morphometric survey elucidates the evolutionary systematics of the Eurasian <i>Himantoglossum</i> clade (Orchidaceae: Orchidinae).
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