PFBP : Observations
Prairie Fen Biodiversity Project
Catalog #: RLF19-8
Taxon: Eutrochium maculatum L.
Family: Asteraceae
Collector: Rachel Hackett & Hillary Karbowski   RHHK926   
Date: 2013-08-27
Locality: United States, Michigan, Washtenaw, Riker Lake Fen
42.37229  -83.99739
Elevation: 285 meters (935ft)
Habitat: Very shrubby lakeside fen. Mostly sedge meadow and wooded fen. Dominant vegetation includes Carex stricta, C. hystericina, Rosa, Frangula alnus, Larix laricina, Toxicodendron vernix, and Symphylotrichum firmum. Invaded by Phalaris arundinacea, Frangula alnus, and Rosa multiflora. Some boggy areas in the northeast. Drosera rotundifolia were found on Sphagnum hummocks in wooded fen. In southern section, ATV or truck activity, in open sedge meadow. Possible hunting site. In central area of prairie fen on bed of what was once a north-south stream, now with mats of Eleocharis and Leersia, 40m south of trail crossing and dense Eleocharis mat. Area dominated by Leersia, Boehmeria cylindrica, and Asteraceae. Sub canopy is Toxicodendron vernix, Lindera benzoin, Cornus, and Frangula alnus. Canopy is ash (mostly dead) and Acer rubrum. Some Rosa multiflora present. Ground wet and mossy, sometimes feels like mat.
Description: Population - Common, more so on old banks than old beds. Most flowering.
Specimen Images
Access Rights: Contact Anna K Monfils (
Record Id: 61fbb817-ee74-41e7-bf30-911bfd975f5b
Occurrence ID (GUID): 61fbb817-ee74-41e7-bf30-911bfd975f5b
For additional information on this occurrence, please contact: Anna K Monfils (
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