Volunteer naturalists confirm scrappy weed thriving in LA County
A gardener spotted and confirmed horseweed, a common wild plant, growing in Los Angeles County, and other naturalists verified the identification to 'research-grade' status.
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Genus
Erigeron
Called “Daisy” in GBIF
Erigeron is a large genus of plants in the composite family (Asteraceae). It is placed in the tribe Astereae and is closely related to the Old World asters (Aster) and the true daisies (Bellis). The genus has a cosmopolitan distribution, and the highest diversity occurs in North America.
From Wikipedia, licensed under CC BY-SA 4.0
587
accepted species in GBIF
Source: GBIF
3
plants on Plant News
4
research articles
Browse by topic
Plants in this genus
3 plants
Patrascu Lucian-Marius · Vrancea, Romania · CC0
Horseweed
Erigeron canadensis
2 articles
Erigeron breviscapus
1 article
(c) Zihao Wang · New York, United States · CC BY
Flax-leaved Horseweed
Erigeron bonariensis
1 articleResearch on Erigeron
4 articlesVolunteer naturalists confirm scrappy weed thriving in LA County
That tall, wispy weed pushing through sidewalk cracks or your garden bed's neglected corner is ho...
Common roadside weed confirmed spreading through a California neighborhood
If you've battled a scraggly, gray-green weed popping up through sidewalk cracks or garden edges ...
Traditional Chinese herb slows aging signs in worms and mice
Breviscapine-rich Erigeron breviscapus, a daisy-family wildflower from the mountains of southwest...
Common roadside weed confirmed growing in Columbus neighborhood
That scraggly weed pushing up through the sidewalk crack near your driveway is horseweed, one of ...
What science is finding about Erigeron
Every article on Plant News that mentions a member of this genus, newest first.
Common roadside weed confirmed spreading through a California neighborhood
If you've battled a scraggly, gray-green weed popping up through sidewalk cracks or garden edges in Southern California, this...
Flax-leaved Horseweed
invasive-species / urban-ecology
Traditional Chinese herb slows aging signs in worms and mice
Breviscapine-rich Erigeron breviscapus, a daisy-family wildflower from the mountains of southwest China, has long been used in...
Erigeron breviscapus
medicinal-plants / ethnobotany
Common roadside weed confirmed growing in Columbus neighborhood
That scraggly weed pushing up through the sidewalk crack near your driveway is horseweed, one of the first plants to colonize...
Horseweed
native-plants / urban-ecology