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Smyrnium rotundifolium Mill.
Кръглолистен трибел
syn.: Smyrnium perfoliatum subsp. rotundifolium (Mill.) Bonnier & Layens
0 .. 500 m ·V·VI·VII·VIII· ·V·VI·VII·VIII·
30-100 cm. В гори и храсталаци. . 0 .. 500 m. V-VIII.
Reichenbach, H.G.L., Icones florae Germanicae et Helveticae (Deutschlands Flora), German ed. with partly coloured plates (1837-1912) Icon. Fl. Germ. Helv. vol. 21 (1867) t. 2037