Dryopteris cristata (L.) A.Gray

• Region

  North America

• Country

  United States of America

• State/Province

  Iowa

• County/Municipio

  Delaware Co.

• Locality

  An approximately 3 acre rich fen (owned by Leon Goerdt) is about 4 miles west/northwest of Manchester.

• Coordinates

  42.5056, -91.5394

• Coordinate Uncertainty (m)

  969

• Georeferencing Method

  GEOLocate Web Application. Used GEOLocate Web Application (batch client) to convert Township Range Section coordinates (Public Land Survey System) to decimal degree (high precision).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Ada Hayden Herbarium
Iowa State University
Flora of Iowa
Drvopteris cristata (L.) Gray
Delaware County: T89N R6W Section 22 NW4 NW4 NE4 NW4
UTM (NAD83, 15T): 619681 East, 4707679 North
An approximately 3 acre rich fen (owned by Leon Goerdt) is about 4 miles
west/northwest of Manchester. The soil is mapped as Palms muck, 1 to 4
percent slopes (221), a Terric Medisaprist. The fen is on the Iowan Surface.
Drvopteris cristata is infrequent on the east edge (lower slope) of the fen.
Green sori are present on the underside of fertile fronds. Drvopteris cristata is
associated with Asclepias incarnata. Carex pellita. Eupatorium maculatum.
Impatiens capensis. Onoclea sensibilis. Pvcnanthemum virainianum. Rumex
orbiculatus. Spiraea alba and Thelvpteris palustris.
Mark J. Leoschke 2477	June 26, 2004
03550771