Ceratophyllum demersum

ClassificationFlowering Plants
FamilyCeratophyllaceae
Family (Traditional)Ceratophyllaceae
GenusCeratophyllum
SpeciesCeratophyllum demersum L.
Common NameCoontail
Growth HabitForb
DurationPerennial
Plant Notes**
C value 1
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

SynonymFull CitationBasionymType
Ceratophyllum apiculatum Ceratophyllum apiculatum Cham.  
Ceratophyllum demersum var. apiculatum Ceratophyllum demersum var. apiculatum (Cham.) Aschers.  

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, Howard, Kosciusko, LaGrange, LaPorte, Marion, 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: 1938 - 2006

Accession No. (click for full details) County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
58184 Cass 13 Aug 1938 Charles M. Ek
BUT
Ceratophyllum demersum L.
56723 Howard 16 Aug 1939 Charles M. Ek
BUT
Ceratophyllum demersum L.
153498 LaPorte 11 Jul 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153513 Whitley 12 Jul 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153499 LaPorte 14 Jul 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153511 Porter 15 Jul 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153503 LaPorte 16 Jul 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153501 LaPorte 24 Jul 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153515 Whitley 27 Jul 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153500 LaPorte 07 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153502 LaPorte 10 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153512 Porter 13 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153505 Porter 13 Aug 2005 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153508 Porter 18 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153516 LaPorte 21 Aug 1998 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153506 Porter 21 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153509 Porter 22 Aug 2003 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153510 Porter 27 Aug 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153517 Porter 29 Aug 1997 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153497 Kosciusko 30 Aug 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153514 Whitley 31 Aug 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153504 LaGrange 02 Sep 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153518 Porter 08 Sep 1997 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153519 Porter 15 Sep 1997 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153520 Porter 15 Sep 1997 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
153507 Porter 24 Sep 2004 Mitchell S. Alix
BUT
Ceratophyllum demersum L.
155137 Marion 15 Aug 2006 P. A. Scott
2402
BUT
Ceratophyllum demersum L.
47439 Kosciusko 10 Jun 1939 Ray C. Friesner
13449
BUT
Ceratophyllum demersum L.
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