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Invasive Dog-strangline Vine under Sumac © Ron Erwin
0512_RE_0976 - - Invasive Dog-strangline Vine under Sumac

Dog-strangling vine or Black swallow-wort (Cynanchum louiseae also known as Cynanchum nigrum or Vincetoxicum nigrum) has taken a major hold under the sumac in Cudia Park in the Scarborough Bluffs along Lake Ontario in Toronto, Ontario - the monarch butterfly may lay its eggs on this member of the milkweed family but its young will not survive

Original: digital, Orientation: vertical, Tiff Size Available: 48-55MB

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Keywords: Plants, Invasive Weeds, Lake Ontario, Scarborough Bluffs, Toronto, Dog-strangling vine, swallow-wort, black swallow wort, sumacs, Cudia Park, Scarborough Bluffs, Toronto, Ontario, weeds, non-native, European, vegetation, fall, Autumn, season, seasons, monarch, monarchs, monartch-threat, sumac, Ron Erwin, stock, photography,