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THE MICHIGAN BOTANIST
Vol. 40
(Fewless 5186). ROCK (Cochrane 5214). ST. MARTIN (near cemetery, 90-529). SUMMER (12881). LITTLE SUMMER (12950).
C. atherodes Spreng., slough sedge. WASHINGTON (13083).
C. aurea Nutt., golden sedge. Occasional, alkaline rockshores and ditches, sometimes with C.
garberi. CANA (uncommon). WASHINGTON (Cochrane 11038). ST. MARTIN (90-523).
SUMMER (Voss 13366).
C. backii W. Boott, Rocky Mountain sedge. SPECIAL CONCERN (WI). Recent records
from a hardwood forest on Boyer Bluff, Washington Island (Cochrane 11056), were not relocated (but not intensively looked for).
C. bebbii (L.H. Bailey) Fernald, Bebb's sedge. Occasional, moist areas. DETROIT (13546)
WASHINGTON (Fewless 5562). ROCK (12535). ST. MARTIN (90-311). SUMMER
(Tessene 156).
C. blanda Dewey, common wood sedge. Rare, rich hardwoods, known only from Mountain
Park, Washington Island (Cochrane 11125).
C. brevior (Dewey) Lunell, fescue sedge. Local, known only from Great Lakes pine barrens
on Chambers Island (Ugent 1251, Judziewicz 13776).
C. brunnescens (Pers.) Poir., brownish sedge. Uncommon, coniferous thickets. POVERTY
(89-269). SUMMER (90-691).
C. buxbaumii Wahlenb., Buxbaum's sedge. Occasional, boreal fens and wet alkaline rockshores. WASHINGTON (Fewless 5170). POVERTY (12815). SUMMER (12892).
C. canescens L., silvery sedge. Rare; only noted in the cedar swamp at Big Marsh, Washington Island in 1999.
C. capillaris L., hairlike sedge. SPECIAL CONCERN (WI). Although not known from the
Wisconsin islands, there is a recent record from coastal alvar on Poverty Island (90-252),
Michigan. It was not seen there in 1998.
C. castanea Wahlenb., chestnut sedge. Occasional in cedar-fir thickets and swamps near the
coast. WASHINGTON (12760). ROCK (13105).
C. chordorrhiza L.f., cord-root sedge. Rare, boreal fen on north end of Little Lake, Washington Island (13716).
C. communis L.H. Bailey, fibrous-root sedge. Frequent, upland woods. DETROIT (13598).
WASHINGTON (Goess1 3907). ROCK (13129). ST. MARTIN (90-526). SUMMER (Voss
12641). LITTLE SUMMER (12981).
C. concinna R.Br., beautiful sedge. THREATENED (WI). This sedge was recently discovered from forested ridges and swales on Washington Island (Jackson Harbor Ridges) by
Gary Fewless (5570). This species is rare in Wisconsin (Tans 1983, Judziewicz & Koch
1993), while in Michigan, this species is uncommon on alvar on Summer Island (mostly on
the east coast; Voss 12636).
C. crawei Torr., Crawe's edge. SPECIAL CONCERN (WI). This sedge is fairly widespread
in coastal alvar and Great Lakes alkaline rockshore communities. It is found on Detroit Island (south end, 12775), Washington Island (several places near the ferry dock; southeast
coast; Jackson Harbor, Fewless 5555), Rock Island (borrow pit, 13138), and is frequent on
Poverty (12823), Summer (Voss 12615), and Little Summer Islands (12917).
C. crinita Lam., fringed sedge. Uncommon, moist woods. WASHINGTON (14003). ROCK
(Tans 822).
C. deflexa Hornem., northern oak sedge. Rare, conifer woods on Plum Island (13375).
C. deweyana Schwein., Dewey's sedge. Fairly common, woods. GREEN (13233). CHAMBERS (uncommon). PLUM (12676). DETROIT (13579). WASHINGTON (Fewless
5185). ROCK (12521). ST. MARTIN (90-761). POVERTY (12841). SUMMER (Voss
13363). LITTLE SUMMER (12967).
C. diandra Schrank, bog panicled sedge. Rare, boreal fens. WASHINGTON (Little Lake,
13027). SUMMER (shore of Southwest Bay, 12869).
C. disperma Dewey, two-seeded bog sedge. Uncommon, cedar or hardwood swamps. DETROIT (13463). WASHINGTON (Fewless 5208). SUMMER (12875).
C. eburnea Boott, ebony sedge. Abundant on dolomite bluffs under cedar; frequent just beyond the splash zone on alkaline rockshores. CHAMBERS (12719). HORSESHOE (uncommon). PLUM (12672). DETROIT (locally common). WASHINGTON (Fewless
