No. 34. Erigeron philadelphicum.
Classic texts: Rafinesque 1828-1830.
Eryngium yuccifolium Michx.
Engl.: button eryngo, button snake-root, corn snakeroot, rattlesnake master, water eryngo.
Deu.: Yuccablättriger Mannstreu.
Sven.: skallerormsmartorn.
Bot. syn.: Eryngium aquaticum Juss.
Classic texts: Rafinesque 1828-1830.
Classic texts: Journals: TNEMA 1882-1883.
Classic texts: USDisp 1918.
Classic texts: Scudder 1870.
Classic texts: Petersen 1905.
Classic texts: King's 1898.
Classic texts: Journals: Ellingwood 1909.
Classic texts: Journals: Ellingwood 1908.
Classic texts: Harding 1936.
Classic texts: Felter 1922.
Classic texts: Ellingwood 1919.
Classic texts: Cook 1869.
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