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Photos from MNS Botany-walk at FtWhyteCentre with George Holland & Richard Staniforth on 2003-Jul17:
Shitweed=False ragweed (Cyclachaena xanthifolia)?: or Giant ragweed (Ambrosia trifida)? or Cow parsnip (Heracleum maximum)? Wood duck (Aix sponsa): female Wood duck (Aix sponsa): duckling amid Lesser duckweed (Lemna minor) group-2003: examining Lesser duckweed (Lemna minor) Lesser duckweed (Lemna minor): the 2nd smallest flowering plant Canadian pondweed (Elodea canadensis): Clasping-leaf pondweed (Potamogeton perfoliatus):