Black-eyed Susan
General poisoning notes:
Black-eyed Susan (Rudbeckia serotina) is a native herb that grows across southern Canada. This plant occurs in fields and is sometimes found in disturbed habitats. Ingesting plants caused poisoning in cattle and swine. Symptoms were mild. Poisoning from this plant plant is unlikely (Kingsbury 1964, Fleurbec 1983).
Nomenclature:
Scientific Name: Rudbeckia serotina Nutt.
Vernacular name(s): black-eyed Susan
Scientific family name: Compositae
Vernacular family name: composite
Rudbeckia serotina Nutt
Geographic Information
Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan
Notes on Poisonous plant parts:
Ingesting aboveground portions of the plants has caused poisoning in some animals (Kingsbury 1964).
Toxic parts:
Flowers, hairs, leaves, stems
Toxic plant chemicals:
Unknown chemical
Animals/Human Poisoning:
Note: When an animal is listed without additional information, the literature (as of 1993) contained no detailed explanation.
Cattle
General symptoms of poisoning:
Gastroenteritis
Swine
General symptoms of poisoning:
Coma
Notes on poisoning:
Swine that ingested black-eyed Susan suffered from coma and periods of aimless wandering (Kingsbury 1964).
