Cirsium arvense is one of the most economically important agricultural weeds in the world. (asu.edu)
Numerous variants of Cirsium arvense have been named based upon such features as pubescence, extent of leaf division, and spininess. (asu.edu)
Graduate student Kevyn Juneau (SFRES/ESC) and Co-PI Assistant Professor Catherine Tarasoff (SFRES) have received $5,000 from the US Department of Transportation, Federal Highway Administration, for "The Ecology and Control of the Invasive Species, Cirsium Arvense, Canada Thistle. (mtu.edu)
Thistle3
Cirsium clavatum, the Fish Lake thistle or fringed thistle, is a North American species of plants in the tribe Cardueae within the family Asteraceae. (wikipedia.org)
Wavyleaf thistle is listed by California as a noxious weed. (swbiodiversity.org)
Canada thistle is now listed as a noxious weed in most areas where it occurs. (asu.edu)
Canescens1
However, most reports of Cirsium undulatum in California are based upon misidentifications of C. canescens . (swbiodiversity.org)
Cirsium undulatum is widely distributed in the wstern half of North America from the dry plains and plateaus of the Pacific Northwest eastward across the Great Plains to Manitoba and the Dakotas and south to Texas, New Mexico, and northwestern Mexico. (swbiodiversity.org)
Cirsium undulatum is known to hybridize with C. flodmanii, C. hookerianum , and C. scariosum var. (swbiodiversity.org)
Invasive species2
2. Determine if invasive species introduced by horses germinate and colonize horse trails. (omegafields.com)
Kevyn Juneau, Forestry (Catherine Tarasoff, SFRES) received $500 to give a talk at the MN/WI Invasive Species Conference in St. Paul, Minn., from Nov. 8-10. (mtu.edu)
Biennial1
Cirsium clavatum is a biennial or perennial herb up to 100 cm (40 inches) tall, blooming only once before dying. (wikipedia.org)
Launched in 2022, the project aims to advance our collective understanding of firefly species' distributions, phenology, and habitat associations, as well as to identify threats to their populations. (flatbushgardener.com)
Imperiled Pollinator Profiles 3-2 plants for butterflies) where appropriate, roadsides also provide an ideal opportunity to increase habitat connectivity for many species, including pollinators. (nationalacademies.org)
Plants3
Invasive plants compete with crop species in agriculture, pasture, and rangelands ecosystems and decrease yields and crop value. (omegafields.com)
This list summarizes plants collected or observed at this specific, named location. (schweich.net)
Host plants are herbaceous and restricted to several species in genus Viola (Violaceae). (eopugetsound.org)
Tree species2
I highlighted shrubs and smaller tree species that max out at no more than around 50′ high and wide, without considering existing vegetation, outdoor structures, etc. (flatbushgardener.com)
2007. The effects of flooding and sedimentation on seed germination of two bottomland hardwood tree species. (usgs.gov)
This study was intended to replicate the eastern USA study to determine if horses can introduce weeds in western USA ecosystems, which differ in climate, native vegetation, and invasive plant species. (omegafields.com)
1. Assess the importance of different mechanisms by which horses may introduce non-native plant species. (omegafields.com)
This year, they're offering the largest variety of native tree, and some shrub, species I've seen yet. (flatbushgardener.com)
Wildlife2
The Idaho Fish and Wildlife Information System tracks species that are identified as having special conservation status in the following lists. (idaho.gov)
Assistant Professor Catherine Tarasoff has received $10,929 from the Wyoming Wildlife and Natural Resource Trust Account for a one-year project, "Bentonite Sagebrush Restoration. (mtu.edu)
Colorado1
I still have trips to Wyoming (2015), Colorado (2016), Lake Superior (2018), Florida (2018/2021), and Michigan's UP (2017/2021) to name a handful that I need to document. (blogspot.com)
Family2
It's a globally rare [G3] annual species of the borage family that flowers early in spring before senescing and disappearing by early summer. (blogspot.com)
In addition, a collection of wild species and ornamental cultivars have been planted to demonstrate the diversity of the Allium family! (edimentals.com)
Populations1
Also known as Pennsylvania wild pink, it's a state threatened species here in Ohio with most extant populations clustered in Columbiana and Jefferson counties. (blogspot.com)
Flowers1
Nectar from a variety of flowers including Penstemon, Cirsium , and Verbena . (abirdshome.com)
Canada1
Although the Atlas tracks all species described from the US and Canada, we are currently prioritizing efforts for a subset of 13 threatened and data deficient species found in three focal regions of the US: the Mid-Atlantic, Southeast, and Southwest. (flatbushgardener.com)
Percent fragments of important food plant species found in crops of Melanoplus foedus . (uwyo.edu)
Study2
A detailed study of this species might reveal races worthy of recognition as infraspecific taxa. (swbiodiversity.org)
Campbell and Gibson (2001) reported 23 invasive plant species germinated and grew from horse manure samples in a greenhouse study, but only one invasive plant species became established in the trail plots in Illinois. (omegafields.com)
Smaller1
Leaves have thin spines along the edge, much smaller than those of related species. (wikipedia.org)
Collection1
For a full list of care tips, visit the Rogerson Clematis Collection page on clematis care ( click here ). (blackgold.bz)
Menu1
Click on the products tab in the drop down list under the menu tab above, for a full description of each of the of the different products that we have available. (mountainmikephotography.com)
Flower1
The first Allium to flower in 2019 was this species from mountains in China, Allium humile. (edimentals.com)
Full1
When your ready to purchase click on the "Buy Now" icon and a list will appear showing all products that are available featuring that image, along with a full range of sizes with pricing. (mountainmikephotography.com)
Range1
G2G3) is used to indicate the range of uncertainty in the status of a species or community. (nationalacademies.org)
Project1
You can find a complete list of all New York City CNC 2023 events on the official iNaturalist Project. (flatbushgardener.com)