Perigynia of C. globosa (L), C. serpenticola (R) (from Zika et al. 1998). 
Car ex laxiflora Lam. var. laxiflora is found in habitats de¬ 
scribed as "rich woods and banks in dry loamy soil" by Wiegand 
(1922). He called the plant C. anceps Muhl. (now considered 
synonymous with C. laxiflora). Wiegand gave its range from 
Nova Scotia to Washington D.C., west to Wisconsin, I llin ois, 
and disjunct in Oregon. Mackenzie (1935) corrected Wiegand, 
saying "Erroneously recorded from Oregon," but we have not 
seen the collections viewed by Wiegand and Mackenzie (possi¬ 
bly at BH, CU, or GH). However, other Oregon sheets bearing 
a label " Carex laxiflora” are what a biogeographer would expect: 
out-dated label names on collections of the only western mem¬ 
ber of sect. Laxiflorae. Originally labeled C. laxiflora var. 
plantaginea, some of these collections (ORE, OSC) served as 
Mackenzie's lectotype or isolectotype for C. hendersonii L. H. 
Bailey. 
Inflorescences of C. haydeniana (L), C. haydenii (R). 
Carex lenticular is Michx. var. lenticularis is a variety com¬ 
mon in boreal and eastern North America. In this region it does 
not approach closer than Montana and central Idaho (Standley 
1985). Standley noted three other varieties are known from 
Oregon: C. lenticularis vars. impressa, var. limnophila, and var. 
lipocarpa. The collections of C. lenticularis var. lenticularis noted 
by Carex Working Group (1993) are all errors for one of the 
other three varieties (CIC, ID, ORE, OSC, WS, WTU). 
Reports of C. lenticularis v ar. lenticularis from Oregon may 
continue until the appearance of the Oregon Flora, because the 
standard references (e.g., Hitchcock and Cronquist 1973) do 
not offer key characters for non-coastal plants (var. lipocarpa 
and var. impressa, which have purple-black pistillate scales), and 
lump them under var. lenticularis, (which has brown pistillate 
scales). 
Carex leporina L. is a European sedge that has not been 
collected in North America. Peck (1961) reported it from "wet 
meadows, western Oregon" under the synonym C. tracyi Mack. 
All Oregon records of C. leporina (OSC, WILLU) we now refer 
to a different European species: C. ovalis Gooden. 
Carex luzulifolia W. Boott is endemic to the high Cas¬ 
cades and Sierra Nevada of California. Howell (1903) reported 
it from: "high mountains, California to southern Oregon," but 
the vouchers were all C. luzulina (ORE, WILLU). The two spe¬ 
cies are recognized by their perigynia: C. luzulifolia has perigynia 
1.7-2.5 mm wide, with a broad flat margin around the fruit; C. 
luzulina has perigynia 0.9-1.6 mm wide, lacking a flat margin. 
Carex mariposana L. H. Bailey ex Mack, is from the moun¬ 
tains of California and Nevada, and is part of the taxonomically 
troubling group of broomsedges (sect. Ovales). Carex Working 
Group (1993) put C. mariposana on their list of rare Oregon 
sedges, based on collections we later redetermined as C. 
microptera (OSC) amd C. abrupta (OSC). An illustration of C. 
mariposana can be found in Mastrogiuseppe (1993). 
Carex muricata L. (sect. Bracteosae) is a European sedge 
(similar to C. spicata Huds.) that is introduced and naturalized 
from Ontario to Pennsylvania (Gleason and Cronquist 1991). 
Reznicek and Ball (1980) clarified the gnarled confusion that 
contributed to the incorrect use of the name C. muricata for 
Oregon plants (e.g., Hitchcock and Cronquist 1973; Cronquist 
et al. 1977). Our native Oregon sedge is now C. echinata ssp. 
echinata (sect. Stellulatae). Carex muricata has male flowers at 
the tips of the spikes, and C. echinata has male flowers at the 
base of the spikes. 
Carex occidentalis L. H. Bailey ranges from Wyoming to 
New Mexico and west to California. Carex Working Group 
(1993) originally placed it on their list of rare Oregon sedges, 
based on verbal reports that it grew on Steens Mountain, Harney 
County. These populations were later determined to be imma¬ 
ture C. vallicola, and Mansfield (1995) did not include C. 
occidentalis in his Steens Mountain flora. 
Kalmiopsis Volume 7, 2001 
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