DIVERSITY OF LIFE

TOMPKINS COUNTY FLORA

Conyza canadensis (L.) Cronq.	Mitchell NY NYFA TC USDA NY accepted no accepted

Horseweed, Canadian Horseweed
Asteraceae

CAYUGA FLORA (1926) NOTES: A weed in situations similar to the preceding, but in somewhat richer soils; common, and generally distributed. Aug.-Oct. Throughout N. A., except in the extreme North. Found also in other countries.

BH SPECIMENS FOR Conyza canadensis (this list may be incomplete)

Ithaca, on waste land, 1915, anonymous (BH 225239);

Ithaca: Lehigh Valley R.R. freight yards, ballast, 7 May 1956, Abbott (BH 225241);

Ithaca, 1932, Curtis 1337 (BH 267836);

Town of Dryden, 107 Neimi Road, Five Wells Nature Preserve, Fivewellsania, 2 Sep 1990, Dilger WCD1102 (BH 112710);

Town of Dryden, 107 Neimi Road, Five Wells Nature Preserve, by old well south of Log House, disk flowers yellow, rays white, 23 Aug 2005, Dilger FWNP2177 (BH 112709);

Town of Ithaca, 0.1 km south of Coy Glen Road, open field, 27 Aug 1950, Fairbrothers 42 (BH 67015);

Ithaca, Ithaca Flats by gas works, 17 Aug 1942, Muenscher & Brown 566 (BH 77687);

Ithaca, Cornell University Campus, waste soil, 7 Sep 1915, Thomas 5236 (BH 67016);

Ithaca, Sep 1878, anonymous (BH 21548);

Ithaca, yard, 9 Aug 1916, Bailey (BH 21546);

Cornell University Campus about Stone Hall, 21 Sep 1932, Burnham 18190 (BH 21558);

Ithaca, 29 Sep 1932, Clausen 967 (BH 21547);

Ithaca, fields, Aug 1875, Dudley (BH 21557);

Ithaca, back of Wharton Studio, sandy soil, 30 Jul 1917, Gershoy 8927 (BH 21554);

Ithaca, northeast of Fall Creek School, along road, 14 Aug 1913, Palmer 1258 (BH 21569);

Ithaca, Cornell University Campus, College of Agriculture, south of Main Building, roadside, 26 Aug 1913, Palmer 1259 (BH 21568);

Ithaca, Inlet of Cayuga Lake, along railroad tracks, 29 Jul 1918, Randolph (BH 21553);

Ithaca, Cornell University Campus, waste soil, 7 Sep 1915, Thomas 5236 (BH 21559);

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