*Alnus
glutinosa (L.) Gaertner.
BLACK ALDER. New York: Buckhorn Island, north end of Grand Island; shores of
'new' land (not the marsh) several shrubs on sea gull berm, road leading to it
and N. Grand Island Bridge, Eckel, June 14, 1998 (BUF); Village
of Lewiston, Niagara River beach, weedy thickets, Artpark.P. M. Eckel Aug. 10,
2003 (BUF).
Ontario: Off The Niagara Parkway About 2 Miles N. Of Miller's
Creek; Low, Soaking Ground Being Eroded By Niagara River.P. M. Eckel Sept. 10,
1983 (BUF).
For more information on the spread of this
tree along the Niagara River see Eckel (2003).
Alnus rugosa
(DuRoi) Spreng. SPECKLED ALDER. Goat Island, Sept. 19, 1877 (J.D. Hooker's
American Journal). "Goat Island, wet grounds near Clifton, Ontario," Day
(1888). Ontario, Queen Victoria Park, Panton (1890). (As A. incana)
"sylva of Niagara," Day (1901). Ontario: Chippewa Creek, Niagara
Blvd., low land, Miller (24), April 9, 1952, Heimburger (1955). "... grows
along the Niagara River at several stations," Hamilton (1943). (As A. rugosa) "Dufferin
Islands," sight record, Yaki (1970).
New York: Goat
Island. Clifford Awald s.n. April 19, 1947 (BUF).
Ontario:
Dufferin Islands, Higgins, May, 1968 (NFO); Dufferin Islands, several small
trees, Eckel, June 1, 1988 (BUF); Dufferin Islands on the Niagara River up
from the Horseshoe Falls. Wet rivermargins facing west.P. M. Eckel 9003834 Oct.
9, 1987 (BUF).
Erie Co. (As Alnus
serrulata Willd.) "was found by D. F. Day, Esq., in 1863, on Squaw
Island, near Buffalo, occupying a very limited station, and, so far as we know,
is confined in this region to that station. A. incana Willd., is the
common Alder of the vicinity of Buffalo." (Regent 1865 p. 205). Both
species mentioned are Alnus rugosa (A. incana (L.) Moench ssp. rugosa
(DuRoi) Clausen).
Reported by the Superintendent in the second Annual Report of the
Commissioners in 1886. Alders occurred on the smaller islands in the American
Channel in 1968 (The American Falls International Board, 1971).