DIVERSITY OF LIFE TOMPKINS COUNTY FLORA
Cirsium arvense(L.) Scop.
Mitchell NYNYFA TCUSDA NY
accepted accepted accepted
Canada Thistle

Asteraceae

CAYUGA FLORA (1926) NOTES: A weed in fields, cultivated grounds, and waste places, especially in the richer, heavier soils ; very common, and generally distributed. July-Oct. Newf. and B. C., southw. to Va., Nebr., and Utah. Naturalized from Eu. The white-flowered form is occasional.


BH SPECIMENS FOR Cirsium arvense (this list may be incomplete)
 Ithaca, 12 Aug 1879, anonymous (BH 21477);
 Ithaca, Lehigh Valley R.R. freight yards, ballast, 7 May 1956, Abbott (BH 249059);
 East Ithaca, 10 Jul 1934, Allen (BH 67009);
 Ithaca, 1905, Baker (BH 21472);
 1 km NW of Ludlowville, field., Corollas lavender., 8 Jul 1948, Burch 32 (BH 330152);
 Town of Dryden, 107 Neimi Road, Five Wells Nature Preserve, Fivewellsania, west pond shore, 11 Jul 1981, Dilger WCD918 (BH 112793);
 Town of Dryden, 107 Neimi Road, Five Wells Nature Preserve, south garden. See map on sheet, 15 Aug 1993, Dilger WCD1140 (BH 112799);
 Town of Dryden, 107 Neimi Road, Five Wells Nature Preserve, south of railway embankment. See map on sheet, damp meadow, 16 Aug 2000, Dilger WCD1646 (BH 112798);
 Ithaca, fields, Aug 1875, Dudley (BH 21490);
 Ithaca, fields, Jul 1875, Dudley (BH 21480);
 Ithaca, Cornell University Campus, by baseball cage, waste field, 16 Jul 1915, Eames & Thomas 5315 (BH 21487);
 Town of Dryden, near McLean Preserve, pasture field, 29 Jul 1939, Justice (BH 249058);
 Ithaca, Six Mile Creek, south of Six Mile Reservoir, in field, white blossom, staminate, 1 Aug 1924, Muenscher 16010 (BH 21482);
 Ithaca, Six Mile Creek, south of Six Mile Reservoir, in field, 1 Aug 1924, Muenscher 16012 (BH 21474);
 Ithaca, Six Mile Creek, south of Six Mile Reservoir, in field, purple blossom, staminate, 1 Aug 1924, Muenscher 16011 (BH 21481);
 Danby, Michigan Hollow, in an old field, 12 Aug 1928, Muenscher 17316 (BH 21484);
 Danby, Michigan Hollow, in an old field, 12 Aug 1928, Muenscher 17316 (BH 21476);
 Danby, Michigan Hollow, in abandoned field, 15 Jul 1938, Muenscher (BH 21500);
 Danby, Michigan Hollow, in abandoned field, 15 Jul 1938, Muenscher (BH 21483);
 Danby, Michigan Hollow, in abandoned field, 15 Jul 1938, Muenscher 19928 (BH 21501);
 Danby, in field, 22 Jul 1934, Muenscher 18659 (BH 21489);
 Danby, Michigan Hollow, abandoned fields, 27 Jul 1930, Muenscher 17526 (BH 21486);
 Danby, Michigan Hollow, abandoned fields, 27 Jul 1930, Muenscher 17526 (BH 21485);
 Ithaca, between Fall Creek, East Hill, and Cayuga lake, near Cornell University Boathouse, open alluvial flats, dry land, 7 Jul 1913, Palmer 1340 (BH 21493);
 Jacksonville, in oat field, 1 Aug 1932, Swope 18186 (BH 21503);
 Ithaca, near Cornell boathouse, dry land, 7 Jul 1913, Wiegand 1340 (BH 67008);
 Near Ringwood Ponds on Dr. Chelsea Specht's property., Edge of mowed area., Flowers purple. Ca. 1m tall., 6 Jul 2023, Tara Atluri Internship 190 (BH 306624);   VEmap  GOOmap
THERE ARE AN ADDITIONAL 1 SPECIMENS AT BH THAT ARE NOT YET FULLY RECORDED

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Cirsium arvense

Cirsium arvense

Cirsium arvense

Cirsium arvense

Cirsium arvense

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