Patuxent Research Refuge - Maryland
Catalog #: PRR001051
Taxon: Cirsium arvense (L.) Scop.
Family: Asteraceae
Determiner: Bill Harms (s.d.)
Taxon Remarks: Field Thistle
ID References: Weakley 2015
Show Determination History
Collector: Bill Harms   6661   
Date: 2011-06-16
Verbatim Date: 16 June 2011
Locality: United States, Maryland, Anne Arundel, Odenton, Patuxent Research Refuge--North Tract--Rogue Harbor; Area between Horse Barn Meadow & Rogue Harbor
39.0873  -76.7385 +-20m.  WGS84
Verbatim Coordinates: 39.0873° -76.7385°
Elevation: 36 meters
Verbatim Elevation: 118 ft.
Habitat: Open field, moist soil
Preparations: Imaged Voucher
Establishment Means: Alien
Specimen Images
Record Id: 95156cd7-c81c-4752-9db4-01a481785881
Occurrence ID (GUID): 95156cd7-c81c-4752-9db4-01a481785881
For additional information on this occurrence, please contact: Bill Harms (
Current Record
Patuxent Research Refuge - Maryland (USFWS:PRR)
Bill Harms 66612011-06-16
Catalog Number: PRR001051
GUID: 95156cd7-c81c-4752-9db4-01a481785881
Latest Identification: Cirsium arvense
Identified by: Bill Harmss.d.

University of Maryland, Norton-Brown Herbarium (MARY)
Bill Harms 66612011-06-16
Catalog Number: MARY1051123
Latest Identification: Cirsium arvense

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