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  • Isotypes
  • Taxonomic type specimens
  • Isotypes
  • Taxonomic type specimens
  • Collection of Francis Drouet
  • Type Register
  • Welwitsch, F. M.
  • Collection of Francis Drouet
  • Type Register
  • Welwitsch, F. M.
  • Africa
  • Angola
  • Africa
  • Angola
  • 1850s
  • NMNH - Botany Dept.
  • Eubacteria
  • Eubacteria
  • Cyanobacteria
  • Cyanobacteria
  • Oscillatoriales
  • Oscillatoriales
  • Rivulariaceae
  • Rivulariaceae
  • Calothrix breviarticulata W. West & G.S. West
  • Scytonema hofmannii C. Agardh ex Bornet & Flahault
  • Calothrix breviarticulata W. West & G.S. West
  • Scytonema hofmannii C. Agardh ex Bornet & Flahault