Toxic invasive ragwort spotted growing along a Portland roadside
A community scientist confirmed a ragwort sighting on N Vanport Rd in Portland, Oregon, adding a verified record of this toxic, invasive weed to public tracking databases.
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Sugar maple spotting slows as Canada's fall color fades
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Genus
Jacobaea
Called “Eurasian ragworts” in GBIF
Jacobaea is a genus of flowering plants in the tribe Senecioneae and the family Asteraceae. Its members used to be placed in the genus Senecio, but have been separated into the segregate genus Jacobaea on the basis of molecular phylogenetics in order to maintain genera that are monophyletic.
From Wikipedia, licensed under CC BY-SA 4.0
83
accepted species in GBIF
Source: GBIF
1
plant on Plant News
2
research articles
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Plants in this genus
1 plantResearch on Jacobaea
2 articlesToxic invasive ragwort spotted growing along a Portland roadside
If you keep horses, goats, or cattle near Portland, this yellow-flowered weed can poison your pas...
Toxic invasive ragwort confirmed spreading in Portland yards and lots
That cheerful yellow weed popping up in vacant lots and along sidewalks is toxic to horses, cattl...
What science is finding about Jacobaea
Every article on Plant News that mentions a member of this genus, newest first.
Toxic invasive ragwort confirmed spreading in Portland yards and lots
That cheerful yellow weed popping up in vacant lots and along sidewalks is toxic to horses, cattle, and pets if eaten in hay...
Ragwort
invasive-species / urban-ecology