Polygonum aviculare : 無料・フリー素材/写真
Polygonum aviculare / Matt Lavin
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | Polygonum aviculare, prostrate knotweed, with white-margined tepals, colonizes regularly disturbed sites in the Idaho National Laboratory, especially roadsides. This species was not detected in sagebrush steppe with high native plant cover. This site lies near a construction site in the sagebrush steppe of the Idaho National Laboratory, north of highway 20 just off Taylor Blvd, Bingham County, Idaho (close to the Butte County line). |
| 撮影日 | 2009-06-10 11:25:44 |
| 撮影者 | Matt Lavin , Bozeman, Montana, USA |
| タグ | |
| 撮影地 | Idaho, United States 地図 |
| カメラ | E4500 , NIKON |
| 露出 | 0.006 sec (1/159) |
| 開放F値 | f/6.3 |
| 焦点距離 | "sagebrush steppe" "dry site" "disturbed site" herb Polygonaceae Polygonum "Polygonum achoreum" "leathery knotweed" annual "whitish flower" "greenish flower" "mid summer flowering" |