Cirsium altissimum (L.) Spreng. TALL THISTLE. Ontario, Queen Victoria Park,
Panton (1890).
Ontario: Queenston, Pease,
August 25, 1884 (BUF).
Listed as rare in Zander and
Pierce (1979). This species is on the Rare Plant Status List of the New York
Natural Heritage Program: "No extant sites known but it may be
rediscovered," (Young, 1992).
*Cirsium arvense (L.) Scop. CANADA THISTLE. (As Cnicus arvensis),
"Goat Island and elsewhere," Day (1888). Ontario, Niagara Parks
System, (as Cnicus arvensis), Cameron (1895). Ontario: Niagara,
Wm. Scott, July 15, 1898, Heimburger (1955). "... weeds in the meadows or
cultivated ground in the Parks," Hamilton (1943). New York: Cayuga Island,
Eckel (1991).
New York:
Goat Island, "on wooded slopes facing the river on the southwest edge of
the island," Eckel 8612706, July 8, 1986 (BUF); talus, base of Goat Island, Eckel, July 28, 1988 (BUF);
Buckhorn Island, SW part of park, W of I90, near path along Niagara River from
West River Parkway to Burntship Creek, weedy meadows, Eckel, Oct. 1, 1997 (BUF);
Cayuga
Island, LaSalle, Jayne Park on the Little Niagara River. Wet meadow, open
stream ide, with Typha latifolia, Calamagrostis
canadensis, Impatiens biflora, Stachys hisp. .M.
Eckel with R. Zander July 7, 1991(BUF).
Ontario: Navy Island, dry embankment foot,
mid island, west side, sandy beach, Eckel, July 15, 1998 (BUF).
Erie
Co.: Squaw Island in the
Niagara River, moist inlet between island and concrete facility, east side,
north of International RR Bridge and S of concrete pier area at the north end. P.
M. Eckel s.n. Aug. 5, 2001(BUF).
Cirsium discolor (Muhl.)
Spreng. FIELD THISTLE. Ontario: (as Cnicus altissimus var. discolor)
"Dry fields and thickets not common. ...Chippewa .... (Maclagan.)"
Macoun (1884). (As Cnicus altissimus var. discolor),
"Goat Island," Day (1888). Ontario, Niagara Parks System (as Cnicus
altrosemus var. discolor), Cameron (1895). (As Cnicus discolor),
"Goat Island, Day (1901). Ontario: One mile south of Queenston,high land,
Miller (650), Aug. 18, 1952; Niagara Falls, M. Wilkes, Aug. 13, 1895; Niagara
Falls, Wm. Scott, Aug. 19, 1906; Queenston, Wm. Scott, Aug. 20, 1898,
Heimburger (1955). "... weeds in the meadows or cultivated ground in the
Parks," Hamilton (1943).
New York: Lewiston,
"fields and roadsides," Johnson No.
1018, Sept. 3, 1921 (BUF).
Ontario:
Queen Victoria Park, Cameron, 1890 (NFO); Niagara-on-the-Lake; Queenston A. D. Pease
August 25, 1884 (BUF).
Erie Co., City of Buffalo. Squaw Isl., Niagara River. Sept.13, '98
(BUF) [1898]..
Cirsium muticum Michx. SWAMP THISTLE. Goat Island, Sept. 19, 1877 (J.
D. Hooker's American Journal).
Cirsium pumilum (Nutt.) Spreng. PASTURE THISTLE. (As Cnicus pumilus
Torr.), "near DeVeaux College," Day (1888). "Near DeVeaux
College (Day, Cat. Niag. Fl.). The accuracy of the report of this species from
the Buffalo region has been questioned (See Rhodora 24:88. (1922),"
Zenkert (1934).
Ontario: Queen
Victoria Park, Cameron, 1891 (NFO).
Listed as rare in the Niagara Frontier Region
by Zander and Pierce, (1979).
*Cirsium vulgare (Savi) Tenore.
BULL THISTLE. (As Cnicus lanceolatus), "Goat Island and
elsewhere," Day (1888). Ontario, Queen Victoria Park (as Cirsium lanceolatum),
Panton (1890). Ontario, Niagara Parks System (as Cnicus lanceolatus),
Cameron (1895). Ontario: one mile south of Queenston, high land, Miller (651),
Aug. 18, 1952, Heimburger (1955). (As C. lanceolatum), "...
weeds in the meadows or cultivated ground in the Parks," Hamilton (1943). "Dufferin
Islands," sight record, Yaki (1970).
New York: Niagara
River Gorge,old train bed below the Lower Arch Bridge (toward Schoelkopf
Museum), upper, disturbed station, with Dipsacus silvestris, A. ericoides,
A. lateriflorus.P.M.Eckel 160685 Sept. 21, l985 (BUF); Goat Island, "ballast of dolomite
blocks at the eastern end of the island," Eckel 8741101 Oct. 21, 1986 (BUF);
top of Devil's Hole, south side, near weedy crest of Niagara River gorge.
Eckel, Aug. 19, 1987 (BUF); marsh,
Buckhorn St. Park, Barbara Dintcheff, Sept. 21, 1963 (BUF); Buckhorn Island,
disturbed area by pathside, Eckel, June 14, 1998 (BUF).