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οΈ Jan 04 2022
Species Spotlight | Field Thistle (Cirsium discolor)
Happy holidays everyone! In continuation of my species spotlight series, I'll be discussing field thistle (Cirsium discolor (Muhl. ex Willd.) Spreng.), which is commonly mistaken for bull thistle (C. vulgare), a noxious invasive species. In this video I'll give you a bit of background information on field thistle, show you where it lives, and how to identify it. If you're interested in learning more about field thistle, here is the link: https://youtu.be/86D8GWVOlmQ
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οΈ Dec 22 2021
Telluride, CO - thistle, but what kind? My research has me thinking Cirsium perplexans (Rocky Mountain Adobe thistle) or Cirsium undulatum (Wavylength thistle). Any ideas?
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οΈ Jul 08 2021
Wild plant near my home dispersing seeds, Cirsium arvense also called Creeping Thistle.
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οΈ Jun 25 2021
Cirsium occidentale var. occidentale, cowebby thistle, one of my favorite natives that I always seem to stop for from earlier this year.
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οΈ Sep 05 2020
California Thistle (Cirsium occidentale var californicum)
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οΈ Apr 28 2021
Found this flower (cirsium kawakamii) on hike to YuShan front peak trail! ε¨ηε±±ειζ₯ιηε°δΊγηε±±θγ π₯ εΎηΉθ²
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οΈ Nov 22 2020
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οΈ Mar 04 2021
Cirsium occidentale found in oak park, CA.
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οΈ Mar 15 2021
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οΈ May 31 2021
Found in Chatsworth, CA I've tried several plant ID apps and all of them have given me varying answers like cirsium vulgare, cirsium discolor, malacothrix saxatilis, and cliff aster. Is it poisonous or edible?
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οΈ Apr 01 2021
Cirsium, a living sculpture
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οΈ Sep 03 2020
Saving threatened plant species: Reintroduction of Hillβs thistle (Cirsium hillii. (Canby) Fernald) to its natural habitat
journals.plos.org/plosoneβ¦
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οΈ Apr 22 2020
A beautiful nuisance: Canada Thistle (Cirsium arvense), Paul Bunyan Trail, Bemidji MN
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οΈ Sep 04 2020
Sorry for quality! Eastern Ohio was about 2 ft tall, I thought it may be in the Cirsium genius but I'm unsure.
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οΈ Aug 02 2020
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οΈ Jul 24 2020
Cirsium Vulgare (Olympus OM1n, 50mm, Double-X)
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οΈ Jun 20 2019
Creeping/boar thistle (Cirsium arvense) [OC]
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οΈ Jun 29 2020
Anyone else gardening with native thistles? [Cirsium occidentale]
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οΈ Jul 07 2020
Caught paying a little visit to the Tall Thistle (Cirsium Altissimum)
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οΈ Sep 04 2020
Cirsium eriophorum, the woolly thistle, is a herbaceous biennial species of the genus Cirsium. It is widespread across much of Europe. It is a large, biennial herb with sharp spines on the tips of the leaves, and long, woolly hairs on much of the herbage.
en.wikipedia.org/wiki/Cirβ¦
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οΈ Aug 08 2020
Thistle (Cirsium sp) [OC]
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οΈ Sep 28 2020
California Thistle (Cirsium occidentale var. californ) on the trail today
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οΈ Jun 12 2020
Cobweb thistle (Cirsium occidentale)
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οΈ Apr 09 2020
Any Thistle lovers? Cirsium Rivulare.
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οΈ Jun 08 2019
Texas thistle (Cirsium texanum) absolutely beautiful
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οΈ Dec 27 2019
Cirsium arvense or Creeping Thistle in a clashing tortoiseshell hat!
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οΈ Jun 07 2020
[OC] Cirsium Neomexicanum - Lavender thistle
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οΈ May 18 2020
Rust Mite (Aceria anthocoptes) on a plant sample, magnified 1,400 times under an electron microscope. Rust mites were only discovered just over 100 years ago but have since been observed feeding on the invasive plant species Canada Thistle (Cirsium arvense).
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οΈ May 25 2019
New Mexico Thistle (Cirsium neomexicanum) north of Wickenburg, Arizona [OC] [3648x2736]
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οΈ Jul 12 2016
Bull Thistle (Cirsium vulgare), Point Reyes National Seashore, California [3024 Γ 3024] [OC]
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οΈ Feb 20 2019
Does anyone know what cirsium this is? Iβm located on a barrier island in Florida (Honeymoon Island) and itβs listed as c. horridulum but the leaves look nothing like that. The leaves are super fuzzy. Theyβre perennial and make offsets.
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οΈ Jan 23 2020
Cirsium horridulum - aka a Yellow Thistle (I think lol)
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οΈ Apr 18 2019
Is this Cirsium arvense, or something else? Illinois, Zone 5, July.
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οΈ Dec 12 2017
Bristle thistle (Cirsium horridulum) at Split Oak Forest in Orlando, Florida [OC] [800x1200]
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οΈ Mar 21 2018
Cirsium setosum
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οΈ Mar 06 2020
Bee on Cirsium Vulgare
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οΈ Aug 21 2018
Cobweb Thistle (Cirsium occidentale var. occidentale), Pinnacles National Park, California [6240 Γ 4160] [OC]
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οΈ May 10 2019
Cobweb Thistle (Cirsium occidentale), Yosemite National Park, California [3010 Γ 3010] [OC]
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οΈ Jun 17 2018
"Yin & Yang" Spear thistle (Cirsium vulgare) [2048x1536][OC]
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οΈ May 18 2019
Here is a sort of abstract perspective of Nuttall's thistle (Cirsium nuttallii) [OC] [1600x1067]
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οΈ May 17 2017
Cirsium vulgare
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οΈ Aug 04 2018
Species Spotlight | Field Thistle (Cirsium discolor)
Happy holidays everyone! In continuation of my species spotlight series, I'll be discussing field thistle (Cirsium discolor (Muhl. ex Willd.) Spreng.), which is commonly mistaken for bull thistle (C. vulgare), a noxious invasive species. In this video I'll give you a bit of background information on field thistle, show you where it lives, and how to identify it. If you're interested in learning more about field thistle, here is the link: https://youtu.be/86D8GWVOlmQ
ποΈ 13
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οΈ Dec 22 2021
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