Closterium gracile Bréb. ex Ralfs

NEW YORK BOTANICAL GARDEN
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Wittrock, Nordstedt, Lagerheim. Algce exsiccatce.
1491. Closterium gracile Bréb.
Immixta sunt: Closterium directum Arch., 01. Lunula Ehrenb., Cl.
striolatum f., Cl. Yenus et Cl. angustatum Kütz. praecipue var. sculptum
(Rac.) Schmidle (Cl. intermedium v. sculptum et spirostriolatum Racib.)
Germanise in stagnis ad Kaiserslautern in Palatina bavarica 1924/1000.
Direct. W. Schmidle.
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