Stromová štruktúra MeSH - Hydra

[b01.050.500.308.485.400]

• Eukaryota [b01] +
  • živočíchy [b01.050] +
    • bezstavovce [b01.050.500] +
      • Cnidaria [b01.050.500.308] +
        • Hydrozoa [b01.050.500.308.485] +
          • Hydra [b01.050.500.308.485.400]