|
''Astragalus robbinsii'' is a species of milkvetch known by the common name Robbins' milkvetch. It is native to North America, where it is widespread with several varieties originating from different regions. *''A. r.'' var. ''alpiniformis'' is endemic to Oregon. *''A. r.'' var. ''fernaldii'' is known from Quebec and Newfoundland and Labrador. *''A. r.'' var. ''harringtonii'' is endemic to Alaska. *''A. r.'' var. ''jesupii'' is a rare variety known only from three locations on the Connecticut River in New Hampshire and Vermont and is a federally listed endangered species.〔(Center for Plant Conservation )〕 *''A. r.'' var. ''minor'', the most widespread variety, can be found in western North America and eastern Canada. *''A. r.'' var. ''occidentalis'' is a rare variety endemic to the Ruby Mountains of Nevada.〔(Nevada Natural Heritage Program )〕 *''A. r.'' var. ''robbinsii'' is endemic to Vermont. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Astragalus robbinsii」の詳細全文を読む スポンサード リンク
|