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*  Cirsium
... palustre, Cirsium oleraceum. Certain species of Cirsium, like Cirsium monspessulanum, Cirsium pyrenaicum and Cirsium ... mountain thistle Cirsium segetum Cirsium serrulatum Cirsium setidens - gondre or Korean thistle Cirsium spinosissimum Cirsium ... integrifolium Cirsium arvense var. mite Cirsium arvense var. vestitum Cirsium barnebyi - Barneby's thistle Cirsium ... meadow thistle Cirsium fontinale - fountain thistle Cirsium gilense - Gila thistle Cirsium grahamii - Graham's thistle Cirsium ...
*  Cirsium lecontei
... grows to about 35-110 cm and has a taproot, sometimes with root sprouts. The plant is spiny and should be ... Cirsium lecontei occurs mostly in North Carolina but even there it appears to be rare. Its presence is also rare from South ... Cirsium lecontei occurs on the sandy pinelands of southern coastal plain in damp soil(where co-occurring species include Myrica ... The Plant List, Cirsium lecontei Torr. & A.Gray Biota of North America Program 2014 county distribution map Keil, David J. & ...
*  Cirsium ownbeyi
... The Nature Conservancy. Biota of North America Program 2014 county distribution map Cirsium ownbeyi. Flora of ... Cirsium ownbeyi is a rare North American species of flowering plant in the aster family known by the common name Ownbey's ... Cirsium ownbeyi is a perennial herb growing 30 to 70 centimeters (12-28 inches) tall from a taproot and branched caudex. There ... Great Basin Naturalist 42(2): 200-201 Cirsium ownbeyi. Archived 2011-10-26 at the Wayback Machine. Center for Plant ...
*  Cirsium parryi
The Plant List, Cirsium parryi (A.Gray) Petr. Cirsium parryi. The Nature Conservancy. Biota of North America Program 2014 ... Cirsium parryi is a biennial herb with a hairy stem growing up to 200 cm (80 inches) tall or more. The leaves are oblong or ... Cirsium parryi, or Parry's thistle, is a species of North American flowering plants in the aster family. It is native to the ... county distribution map Cirsium parryi. Flora of North America.. ...
*  Cirsium pumilum
Varieties Cirsium pumilum var. hillii (Canby) B. Boivin - Great Lakes region, upper Mississippi Valley Cirsium pumilum var. ... Cirsium hillii Flora of North America, Pasture thistle, Cirsium pumilum (Nuttall) Sprengel, Syst. Veg. 3: 375. 1826.. ... Cirsium pumilum is a biennial or perennial herb up to 100 cm (40 inches) tall, blooming once before dying. It has leaf blades ... Cirsium pumilum, the pasture thistle, is a North American species of plants in the thistle tribe within the sunflower family. ...
*  Cirsium perplexans
... Flora of North America. Cirsium perplexans. NatureServe.. ... Cirsium perplexans is a species of flowering plant in the aster family known by the common names Rocky Mountain thistle and ... The weevil Larinus planus has been released near the habitat of C. perplexans for the biological control of Cirsium arvense. It ... Cirsium perplexans (Rydb.) Petrak (Rocky Mountain thistle): A technical conservation assessment. [Online]. USDA Forest Service ...
*  Cirsium discolor
The Plant List, Cirsium discolor (Muhl. ex Willd.) Spreng. "Cirsium discolor". Natural Resources Conservation Service PLANTS ... Cirsium discolor, the field thistle, is a North American species of plants in the thistle tribe within the sunflower family. It ... "Cirsium discolor (Muhl. ex Willd.) Spreng. field thistle". USDA Natural Resources Conservation Service. USDA. Retrieved 14 ... Flora of North America, Field thistle, chardon discolore, Cirsium discolor (Muhlenberg ex Willdenow) Sprengel Dr. John Hilty. " ...
*  Cirsium foliosum
... is a biennial or perennial herb up to 70 cm (28 inches) tall, blooming only once before dying. Leaves have ... Cirsium foliosum , also called leafy thistle, foliose thistle, elk thistle, or Evert's thistle, is a North American species of ... "Cirsium foliosum". The Plant List. (Hook.) DC. "Evert's or Elk Thistle". USDA Forest Service: Idaho Panhandle National Forests ... "Flora of North America, Cirsium foliosum (Leafy or foliose or elk thistle)". efloras.org. Truman C. Everts. ...
*  Cirsium wrightii
The Plant List, Cirsium wrightii A.Gray Tropicos, Cirsium wrightii A. Gray Gray, Asa 1853. Smithsonian Contributions to ... This species is known to interact with Cirsium texanum and Cirsium vinaceum and some hybrids have even been spotted. Wright's ... Cirsium wrightii A. Gray "Petition to List the Wright's Marsh Thistle (Cirsium wrightii) under the US Endangered Species Act" ( ... Cirsium wrightii, or Wright's marsh thistle, is an endangered species of North American plants in the sunflower family. It is a ...
*  Cirsium rydbergii
... is a large perennial herb sometimes reaching a height of 300 cm (10 feet). It has no or very few branches, ... Cirsium rydbergii, the alcove thistle, or Rydberg's thistle, is North American species of perennial plants in the sunflower ... The Plant List, Cirsium rydbergii Petr. Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. ...
*  Cirsium eriophorum
... , the woolly thistle, is a herbaceous biennial species of the genus Cirsium. It is widespread across much of ... The Plant List, Cirsium eriophorum (L.) Scop. Altervista Flora Italiana, Cardo lanoso, woolly thistle, Cirsium eriophorum (L.) ... Cirsium eriophorum, Wollköpfige Kratzdistel in German with photo Terra Alapítvány, Növény adatlap, Cirsium eriophorum, Gyapjas ... Cirsium eriophorum (L.) Scop. (Carduus eriophorus L.; Cnicus eriophorus (L.) Roth). Journal of Ecology 87:529-542 photo of ...
*  Cirsium pulcherrimum
Varieties Cirsium pulcherrimum var. aridum (Dorn) D.J.Keil - Carbon, Fremont, + Sweetwater Counties in Wyoming Cirsium ... Cirsium pulcherrimum, the Wyoming thistle , is a North American species of plants in the thistle tribe within the sunflower ... pulcherrimum - most of species range The Plant List, Cirsium pulcherrimum (Rydb.) K.Schum. Biota of North America Program 2014 ... Cirsium pulcherrimum is a perennial herb up to 90 cm (36 inches or 3 feet) tall, with a large taproot, blooming more than once ...
*  Cirsium clavatum
clavatum - Colorado, Utah Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil - Colorado The Plant List, Cirsium clavatum (M.E. ... Varieties Cirsium clavatum var. americanum (A.Gray) D.J.Keil - Colorado, Utah, Wyoming Cirsium clavatum var. ... Cirsium clavatum is a biennial or perennial herb up to 100 cm (40 inches) tall, blooming only once before dying. Leaves have ... Cirsium clavatum, the Fish Lake thistle, is a North American species of plants in the thistle tribe within the sunflower family ...
*  Cirsium ochrocentrum
Varieties Cirsium ochrocentrum var. martinii (Barlow-Irick) D.J.Keil - Mexico, Arizona, New Mexico Cirsium ochrocentrum var. ... Cirsium ochrocentrum A. Gray CalFlora taxon report, University of California: Cirsium ochrocentrum Flora of North America ... Cirsium ochrocentrum is a species of thistle known by the common name yellowspine thistle. It is native to the Great Plains of ... The Plant List, Cirsium ochrocentrum A.Gray Biota of North America Program 2014 county distribution map Flora of North America ...
*  Cirsium durangense
Proceedings of the American Academy of Arts and Sciences 40: 51 as Cirsium ochrocentrum var. durangense Tropicos, Cirsium ... Cirsium durangense has pinnately lobed leaves with spines on the tips of the lobes. The leaves have a woolly covering when they ... Cirsium durangense, called Durango thistle , is Mexican species of plants in the thistle tribe within the sunflower family. The ... The Plant List, Cirsium durangense (Greenm.) G.B.Ownbey Greenman, Jesse More 1904. ...
*  Cirsium repandum
... is a biennial or perennial herb up to 80 cm (32 inches) tall. Leaves have small, narrow spines along the edges ... Cirsium repandum is a North American species of plants in the thistle tribe within the sunflower family. Common names include ... The Plant List, Cirsium repandum Michx. Biota of North America Program 2014 county distribution map Flora of North America, ...
*  Cirsium hookerianum
The Plant List, Cirsium hookerianum Nutt. Flora of North America, Hooker's or white thistle, Cirsium hookerianum Nutt. Biota of ... Cirsium hookerianum is biennial or perennial herb up to 150 cm (60 inches) tall, with a large taproot. Leaves are green on top ... Cirsium hookerianum, common name Hooker's thistle or white thistle, is a North American species of thistle native to western ...
*  Cirsium pitcheri
The Plant List, Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray Biota of North America Program 2014 county distribution map ... Cirsium pitcheri, sometimes called Pitcher's thistle or dune thistle, is a species of thistle native to sand dune shorelines ... The physician shipped the specimen to botanists who published and named it in his honor, Cirsium pitcheri. The Pitcher's ... Species Information Threatened and Endangered Animal and Plants Flora of North America, Dune or sand-dune thistle, Cirsium ...
*  Cirsium mexicanum
Ceiba 19(1): 1-118 Tropicos, Cirsium mexicanum DC Czech Botany, pcháč / pichliač, Cirsium mexicanum photos with captions in ... Cirsium mexicanum DC. SEINet, Southwestern Biodiversity, Arizona Chapter, Cirsium mexicanum DC includes photos and Mexican ... Cirsium mexicanum is a Mesoamerican and Caribbean species of plants in the thistle tribe within the sunflower family. Common ...
*  Cirsium hydrophilum
The Plant List, Cirsium hydrophilum (Greene) Jeps. Flora of North America, Cirsium hydrophilum (Greene) Jepson, Fl. W. Calif. ... Tamalpais thistle, Vasey's thistle Jepson Manual Treatment - Cirsium hydrophilum The Nature Conservancy-NatureServe: Cirsium ... Cirsium hydrophilum is a species of thistle which is endemic to California, where it is found only in the San Francisco Bay ... Cirsium hydrophilum may reach 2 metres (6.6 ft) in height with a branching, cobwebby stem. The leaves are longest near the base ...
*  Cirsium heterophyllum
... is a perennial herb. Unusually for a thistle, it lacks spines. The plant grows 45 to 120 cm tall, and ... Cirsium heterophyllum is a species of northern Europe and Central Asia. It is native in upland areas of Scotland and northern ... Cirsium heterophyllum, also known as melancholy thistle, is an erect spineless herb in the sunflower family. It is native to ... Cirsium dissectum (meadow thistle) is a more slender species. The plant was considered a possible cure for sadness. Nicholas ...
*  Cirsium erisithales
Tropicos,Cirsium erisithales Biolib taxon profile Altervista Flora Italiana, Cardo zampa d'orso, yellow thistle, Cirsium ... Cirsium erisithales can reach a height of 50-150 millimetres (2.0-5.9 in). The stems are erect, almost hairless. This plant has ... Cirsium erisithales grows in fresh wood (beech), rocky slopes, meadows and waters edge. It prefers calcareous or volcanic soils ... Cirsium erisithales, the yellow thistle or yellow melancholy thistle, is a perennial herbaceous plant in the thistle tribe ...
*  Cirsium acaule
The Plant List, Cirsium acaule (L.) A.A.Weber ex Wigg Altervista Flora Italiana, Cardo nano, Cirsium acaule includes photos and ... Cirsium acaule is a perennial herb. The leaves are a spreading rosette, spiny, 10 to 15 cm long. They are more or less hairy ... Cirsium acaule or acaulon has the English name dwarf thistle or stemless thistle. It is widespread across much of Europe. It is ...
*  Cirsium undulatum
The Plant List, Cirsium undulatum (Nutt.) Spreng. Calflora taxon report, University of California, Cirsium undulatum (Nutt.) ... Cirsium undulatum is a species of thistle known by the common names wavyleaf thistle and gray thistle. It is native to much of ... Cirsium undulatum is widespread and found in many habitat types. It is a perennial herb exceeding 200 cm (79 in) in height. The ... Cirsium undulatum has been shown to have its seed production reduced by an exotic weevil Larinus planus which was released to ...
*  Cirsium nuttallii
... is a biennial or perennial herb up to 350 cm (almost 12 feet) tall, with a large taproot. Leaves are up to 60 ... Cirsium nuttallii, called Nuttall's thistle, is a North American species of plants in the thistle tribe within the sunflower ... The Plant List, Cirsium nuttallii DC. Biota of North America Program 2014 county distribution map Flora of North America, ... Nuttall's thistle, Cirsium nuttallii de Candolle Discover Life. ...