iNaturalist:
Sugar maple spotting slows as Canada's fall color fades
iNaturalist:
Red oak spotting slows down as fall colors fade
iNaturalist:
This fuzzy forest moss is suddenly everywhere in Canada
iNaturalist:
Milkweed sightings stay high across Canada as autumn sets in
iNaturalist:
Invasive buckthorn sightings surge across Canada this week
iNaturalist:
Pokeweed sightings dip slightly as fall observation seaso...
iNaturalist:
This weedy wetland plant is everywhere on iNaturalist this week
iNaturalist:
Eastern redcedar is having a moment on iNaturalist this week
iNaturalist:
Sugar maple spotting slows as Canada's fall color fades
iNaturalist:
Red oak spotting slows down as fall colors fade
iNaturalist:
This fuzzy forest moss is suddenly everywhere in Canada
iNaturalist:
Milkweed sightings stay high across Canada as autumn sets in
eco
Bull Thistle
2 articles
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Wikipedia
Cirsium vulgare, commonly known as spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe, Western Asia, and northwestern Africa. It is also naturalised in North America, Africa, and Australia and is an invasive weed in several regions. It is the national flower of Scotland.
From Wikipedia, licensed under CC BY-SA 4.0
Research Mentions
Prickly invasive thistle spotted growing on a Newfoundland city street
That spiky purple-flowered weed pushing through sidewalk cracks near you might be Bull Thistle, a...
Prickly invasive thistle confirmed growing on Washington's coast
If you're weeding a garden or hiking trail near the Olympic Peninsula, this is the same aggressiv...
Taxonomy
Habit:
herb