PFBP : Observations
Prairie Fen Biodiversity Project
Catalog #: WLL27-6
Taxon: Bidens trichosperma (Michx.) Britton
Family: Asteraceae
Collector: Rachel Hackett & Hillary Karbowski   RHHK693   
Date: 2013-08-21
Locality: United States, Michigan, Washtenaw, Waterloo Long Lake Fen
42.35229  -84.06759
Elevation: 289 meters (948ft)
Habitat: Large zone of Cyperaceae dominated inundated flat near Long Lake. Appears many people drive vehicles through it. On the edges and to the west is the sedge meadow, calcareous seep, or wooded prairie fen. The area on the west side is practially saturated with Sphagnum moss mounds and Toxicodendron vernix. Other prominent vegetation includes Larix laricina, Thelypteris palustris, Dasiphora fruticosa, Solidago patula, Carex, and Scheonoplectus. Also contained Drosera rotundifolia, pitcher plants, and Eriophorum. Some invasion by Frangula alnus. The southern portion of the fen is colonized by Typha angustifolia, T. x glauca, and Lythrum salicaria until the 2m wide channel. South of the channel has less dense L. salicaria and little T. angustifolia or T. x glauca. On east side of Long Lake, 60m from lake, 10m north of Lythrum salicaria channel. Area dominated by L. salicaria, Typha, Thelypteris palustris, and Cornus. Very dense and tall Cornus and L. salicaria (over 2m) toward channel. Ground hummocky with standing water.
Description: Population - Common, 2-4 per 1m2. Several budding up to 60cm tall.
Specimen Images
Access Rights: Contact Anna K Monfils (monfi1ak@cmich.edu)
Record Id: 3e2d1327-c77d-4a5e-92a6-d366b736eec7
Occurrence ID (GUID): 3e2d1327-c77d-4a5e-92a6-d366b736eec7
For additional information on this occurrence, please contact: Anna K Monfils (monfi1ak@cmich.edu)
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