Spirodela polyrhiza

ClassificationFlowering Plants
FamilyAraceae
Family (Traditional)Lemnaceae
GenusSpirodela
SpeciesSpirodela polyrhiza (L.) Schleid.
Common NameGreat duckweed
Growth HabitForb
DurationAnnual
Plant Notes**
C value 5
StatusNative, OBL (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.

Subspecies and Varieties

Not applicable or data not available.

Synonyms

No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on an accession number to view full details; click on column headers to sort.

Counties included on distribution map: Cass, Hancock, Howard, LaGrange, LaPorte, Porter, Whitley

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: 1934 - 2004

Accession No. (click for full details) County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
30664 Cass 23 Aug 1936 Charles C. Deam
57184
BUT
Spirodela polyrhiza (L.) Schleid.
52880 Howard 07 Sep 1940 Charles M. Ek
BUT
Spirodela polyrhiza (L.) Schleid.
153945 Porter 13 May 2004 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153947 Whitley 26 Jul 2004 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153942 LaPorte 05 Aug 2003 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153941 LaPorte 07 Aug 2003 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153946 Whitley 31 Aug 2004 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153943 LaGrange 02 Sep 2004 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
153944 Porter 24 Sep 2004 Mitchell S. Alix
BUT
Spirodela polyrrhiza (L.) Schleid.
55578 Hancock 26 Aug 1934 Scott McCoy
2377
BUT
Spirodela polyrhiza (L.) Schleid.
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