Ageratina altissima (L.) R.M.King & H.Rob.

Jk The New York

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BOTANICAL

NEW YORK BOTANICAL GARDEN

01867040

UNITED STATES

ASTERACEAE

Ageratina aJtissima (L.) R.M. King & H.
Rob.

det. John Pruski (MO), 2008
MISSOURI: extreme NW STODDARD Co.:

Forest margins along western shore of
MINGO SWAMP, Mingo Natl. Wildlife
Refuge, ca. 3 miles SW of Arab at jet.
of M0 Hwy 51 & Hwy P. ELEV.: 340 feet.
37°01'21"N 090o06'35"W

White snakeroot, toxic with fat-soluable
tremetols; erect perennial herbs 2 feet
tall; leaves rugulose, eglandular;
capitula 19-24-flowered; phyllaries
green, subequal; corollas (campanulate),
anthers & styles white; cypsela body
black, carpopodium regular, green.

[SYN.: Eup. rugosum Houtt.j

4 October 2008
John Pruski & Rosa Ortiz 4469
MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

01867040