#  Hennings, Phykoteka Marchica 

 



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**Hennings**, Paulus Christoph (1841-1908)  
**PHYKOTHECA MARCHICA, SAMMLUNG GETROCKNETER ALGEN AUS DER MARK BRANDENBURG.**  
Fascicles I-II, numbers 1-100. Berlin, 1893-1906.  
Specmens dried on paper or glass. Index information was derived from herbarium sheet labels.

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*Meridion circulare* (Greville) C. Agardh  
*Meridion constrictum* Ralfs  
Germany (East Berlin) Pankow  
Hennings 50  
  
*Gomphonema olivaceum* (Kützing)  
Germany (Franfurt) Chorin  
Hennings 100