PFBP : Observations
Prairie Fen Biodiversity Project
Catalog #: LON143-17
Taxon: Bidens trichosperma (Michx.) Britton
Family: Asteraceae
Collector: Clint Pogue   CP224   
Date: 2015-07-17
Locality: United States, Michigan, Oakland, Long Lake Fen
42.75607  -83.55528
Elevation: 283 meters (928ft)
Habitat: Very long heterogenous fen with marked spots of high diversity and other large weedy zones. Fen elevated on norther and southern margins and depressed near central lakes (2). Bordered on north by woodland as well as on southern edge, but southern edge has a railroad and nearby row-crop agriculture. Typhaspp. appear to be heavily impacting fen. Diverse sedge meadow just south of Shiawassee River. Common species include Carex stricta, Eutrochium maculatum, Pycnanthemum virginicum, Bromus ciliatus. Lathyrus palustris, and Campanula aparinoides. Invaded by Lythrum salicaria and encroached by Betula pumila, Physocarpus opulifolius, and Cornus sericea.
Specimen Images
Access Rights: Contact Anna K Monfils (
Record Id: 2d956b9c-541c-42df-947d-8a2ef663d9d6
Occurrence ID (GUID): 2d956b9c-541c-42df-947d-8a2ef663d9d6
For additional information on this occurrence, please contact: Anna K Monfils (
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