Phragmites australis, known as common reed, is a broadly distributed wetland grass growing nearly 20 ft (6 m) tall.
Recent studies have characterized morphological distinctions between the introduced and native stands of Phragmites australis in North America. The Eurasian phenotype can be distinguished from the North American phenotype by its shorter ligules of up to 0.9 mm (0.04 in) as opposed to over 1.0 mm (0.04 in), shorter glumes of under 3.2 mm (0.13 in) against over 3.2 mm (0.13 in) (although ...
הקלד סימפטום או מחלה וקרא על צמחי מרפא שעשויים לעזור, הקלד עשב וראה מחלות ותסמינים שהוא משמש נגד.
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