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Euthamia graminifolia (L.) Nutt.
Flat-top goldentop, Grass-leaved goldenrod
USDA Symbol: EUGR5
The 1-4 ft., branched stems, bearing long, narrow, grass-like leaves, are topped by flat, open clusters of small, yellow flowers. Flat-top goldentop spreads by rhizomes to form colonies.
The flat-topped floral arrangement and narrow leaves of this Goldenrod are distinctive. Slender Fragrant Goldenrod (E. tenuifolia) has grass-like leaves with tiny resin dots and only one rib or vein.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
, WY Canada: AB
, SK Native Distribution:
Que. to MD,
w. to ND, KS
& rarely to OK Native Habitat:
Damp to drier thickets; open areas
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil Description: Moist, average soils.
Conditions Comments: Not Available
Seed germination may be increased with cold-moist stratification, but this pre-treatment is not absolutely necessary. Rhizome
clumps can be divided while the plant is dormant. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2012-06-20
Research By: TWC Staff