Poaceae

A. stolonifera L., Sp. PL 62 (1753). Syn: A. alba auct. non L. (1753); A scabriglumis Boiss. & Reuter, Pug. Pl. Nov. 125 (1852)! A. karsensis Litvinov in Spis. Rast. Gerb. Fl. SSSR 147(1922)! A. alba L. var. armena Schischkin in Izv. Tomsk. Univ. 81:417 (1929); A. alba L. var. karsensis (Litvinov) Schisch-kin, loc. cit. (1929)! Ic: Kulczynski, Atlas Fl. Polsk. 4(2):404 (1932), as A alba;Hubbard, Grasses ed. 2:304(1968). Map 69.
Caespitose perennial with numerous long stolons. Stems 30-70(-120) cm, erect to geniculately ascending from base, glabrous and smooth. Leaf sheaths glabrous; ligule l-5(-6) mm, obtuse; blades (l-)4-9(-10) cm x 2-5 mm, linear, acute, usually flat, somewhat involute, smooth to scabrid. Panicle 5-24 x-1-4 cm, linear-lanceolate to oblong; branches patent, to 8 cm, usually aculeolate; pedicels 0.5-2 mm, aculeolate. Spikelets densely clustered, 1.7-3 mm, greenish to purplish. Glumes aculeolate on keel, lanceolate, acute, equal to subequal. Lemma 2/3-3/4 as long as glumes, ovate-oblong, truncate, usually awnless, rarely with a short subterminal awn. Palea 1/3-2/3 as long as lemma. Anthers 1-1.5(-2) mm. Fl. 6-8. Moist meadows, wet places, nr s.l-2390 m.
Described from Europe (Hb. Linn. 84/14!).
Widespread. A1(E) Kirklareli: Demirköy to Iğneada, A. Baytop (ISTE 5493)! A2(E) Istanbul: Makriköy to Yedikule, 11 vii 1893, Azn.! A2(A) Istanbul: Kartal to Soğanli, 20 viii 1893, Azn.(!). A3 Sakarya: Arifiye, 30 m, D. 36255! A4 Ankara: 2 km S. of Kizilcahamam, 950 m, Sorger 77-59-13! A7Trabzon: d. Maçka, Bekçiler Y.nr Hamsiköy, 1600 m, Anşin (İSTE 31281)! A8 Gümüşane: 23 km from Aşkale to Trabzon, 2390 m, Uotila 14700! A9 Kars: Susuz, 1750 m, D. 30645! Bl Izmir: Bornova, Gençkan 3! B2 Kütahya: Inegöl to Tavşanli, T. Baytop (İSTE 5688a)! B3 Afyon: Bayat, Kurtlaralani-tepe, 1480 m, Vural 78! B4 Konya: Aslim Batakligi nr Cihanbeyli, 900 m,
Ekim 3337! B5 Kayseri: Kayseri, 1856, Bal. B6 Maraş: d. Elbistan, Kapidere, D. 20403! B7 Tunceli: Ovacik, 1400 m, D. 31437! B8 Muş: S.W. foot of Bingöl Da., 1900 m, D. 46203! B9 Bitlis: Tatvan, 2010-2134 m, Tong 107! C2 Denizli: Pamukkale, 380 m, Hormia 620 & Leblebici! C5 Adana: d. Feke, Göksu gorge below Himmetli, 700-800 m, D. 19839! C6 Hatay: Amanus, Akman. Is: Imroz (Gökçeada), nr Dereköy, 250 m, Leblebici & Seçmen 1092. Europe, Mediterranean area, S.W. Asia eastwards to Siberia. Introduced in Japan and N. America. Euro-Sib, element. The type of A. karsensis (LE!) proved to be synonymous with A. stolonifera.