PFBP : Observations
Prairie Fen Biodiversity Project
Catalog #: WLL2-9
Taxon: Oxypolis rigidior (L.) Raf.
Family: Apiaceae
Collector: Rachel Hackett & Hillary Karbowski   RHHK562   
Date: 2013-06-19
Locality: United States, Michigan, Washtenaw, Waterloo Long Lake Fen
42.35398  -84.07022
Elevation: 291 meters (954ft)
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. In southwestern portion of fen, 15m east from edge of dense Toxicodendron vernix and Cornus, 30m north of southern border. Area dominated by Carex and Asteraceae with shrub encroachment of Cornus, T. vernix, and Betula pumila. Ground hummocky and moist. Ant mounds in area.
Specimen Images
Access Rights: Contact Anna K Monfils (
Record Id: fd10871b-711b-4efa-871b-8889de6e5960
Occurrence ID (GUID): fd10871b-711b-4efa-871b-8889de6e5960
For additional information on this occurrence, please contact: Anna K Monfils (
No comments have been submitted
New Comment
Login to leave a comment.