. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. After/D'après: Correll & Johnston 1970, Deam 1940, McCance & Burns 1984, Seymour 1982, Wherry étal. 1979, Wunderlin 1982, herbaria -L t . HABITAT: Moist to dry deciduous forests, mostly in acidic soils. STATUS: Rare in Canada, Possibly extirpated in Connecticut and New York; threatened in Ohio; rare in Delaware, Massachusetts, New Jersey, and Vermont. NOTES: Carex willdenowii is primarily an eastern species of the coastal plain and Appalachian Mountains and is very local north of its main range. This species is easi
. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. After/D'après: Correll & Johnston 1970, Deam 1940, McCance & Burns 1984, Seymour 1982, Wherry étal. 1979, Wunderlin 1982, herbaria -L t . HABITAT: Moist to dry deciduous forests, mostly in acidic soils. STATUS: Rare in Canada, Possibly extirpated in Connecticut and New York; threatened in Ohio; rare in Delaware, Massachusetts, New Jersey, and Vermont. NOTES: Carex willdenowii is primarily an eastern species of the coastal plain and Appalachian Mountains and is very local north of its main range. This species is easily overlooked because of its small size and the pistillate scales that nearly conceal the perigynia, making the plants appear to be vegetative. Closely related to C. jamesii Schwein, of rich, calcareous soils, C. willdenowii is easily distinguished by its ellipsoid perigynium bodies in contrast to the globose ones of C. jamesii. Previous reports of C. willdenowii from Ontario (Scoggan 1978-1979) were based on misidentified specimens of C. jamesii and C. umbellata Schkuhr ex Willd, Previous reports of C. willdenowii from Quebec (Scoggan 1978-1979) were based on misidentified specimens of C. umbellata. HABITAT: Forêts de feuillus humides ou sèches, principalement sur sol acide. SITUATION: Rare au Canada. Peut-être déracinée au Connecticut et dans l'Ãtat de New York; menacée dans rOhio; rare dans le Delaware, le Massachusetts, le New Jersey et le Vermont. REMARQUES: Carex iv/7/cfe/ioiv/7 est principalement une espèce orientale de la plaine côtière et des monts Appalaches qui a un caractère très local au nord de son aire principale de répartition. L'espèce passe facilement inaperçue à cause de sa petite taille et des bractées pistillées qui cachent presque le périgyne, ce qui donne à la plante une apparence végétative. Ãtroitement apparentée à C. jamesii Schwein. des sols riches et calcaires, C. willdenowii s'en d
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
