Invasive buckthorn sightings surge across Canada this week
Sightings of common buckthorn, an invasive shrub, spiked to 239 observations across Canada in one week, up from 182 the week before, as citizen scientists track its spread on iNaturalist.
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
Genus
Rhamnus
Called “buckthorn” in GBIF
Rhamnus is a genus of about 140 accepted species of shrubs or small trees, commonly known as buckthorns, in the family Rhamnaceae. Its species range from 1 to 10 m tall and are native mainly in East Asia and North America, but found throughout the temperate and subtropical Northern Hemisphere, and also more locally in the subtropical Southern Hemisphere in parts of Africa and South America.
From Wikipedia, licensed under CC BY-SA 4.0
205
accepted species in GBIF
Source: GBIF
1
plant on Plant News
8
research articles
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Plants in this genus
1 plantResearch on Rhamnus
8 articlesInvasive buckthorn sightings surge across Canada this week
If you've noticed a shrub with glossy, toothed leaves and dark berries crowding out the understor...
Invasive buckthorn sightings in Canada drop but stay high
If you've noticed a shrub with glossy oval leaves and small black berries crowding out native pla...
Invasive buckthorn sightings stay high across Canada, but easing
If you're pulling woody saplings out of a local woodlot or fencerow, there's a good chance it's c...
Invasive buckthorn sightings jump 50% across Canada as autumn arrives
The shrub with dark berries and leaves that stay green after your maple and ash have turned is pr...
Invasive buckthorn is surging in sightings across yards and woods
If you've noticed a shrub with glossy dark berries and thorny branches crowding out everything el...
Invasive buckthorn sightings spike in citizen science reports this week
If you've noticed a dense, dark-berried shrub crowding out everything else along a trail or fence...
What science is finding about Rhamnus
Every article on Plant News that mentions a member of this genus, newest first.
Canadians keep spotting this invasive shrub everywhere, numbers easing
If you walk a wooded park edge or trail in Canada this fall, you're probably passing clusters of this shrub whose dark berries...
Common Buckthorn
invasive-species / native-plants
Invasive buckthorn sightings in Canada drop but stay high
If you've noticed a shrub with glossy oval leaves and small black berries crowding out native plants along a trail or fence...
Common Buckthorn
invasive-species / citizen-science
Invasive buckthorn sightings stay high across Canada, but easing
If you're pulling woody saplings out of a local woodlot or fencerow, there's a good chance it's common buckthorn, a shrub that...
Common Buckthorn
invasive-species / native-plants
Invasive buckthorn sightings jump 50% across Canada as autumn arrives
The shrub with dark berries and leaves that stay green after your maple and ash have turned is probably buckthorn, and pulling...
Common Buckthorn
invasive-species / citizen-science
Invasive buckthorn is surging in sightings across yards and woods
If you've noticed a shrub with glossy dark berries and thorny branches crowding out everything else along your fence line or...
Common Buckthorn
invasive-species / phenology
Invasive buckthorn sightings spike in citizen science reports this week
If you've noticed a dense, dark-berried shrub crowding out everything else along a trail or fence line, this is likely the...
Common Buckthorn
invasive-species / urban-ecology
Invasive buckthorn shrub is spiking in nature sightings this week
That dense thicket of dark green shrubs crowding the edge of your local woods or trail might be common buckthorn, a plant that...
Common Buckthorn
invasive-species / native-plants