Juncus polycephalos

Family:JUNCACEAE
Species:Juncus polycephalos Michaux
Common Name:Many Head Rush; Flat Leaf Rush
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:JUPO
Plant Notes:**
Taxonomic Notes:Knappp (2014) correctly pointed out that the original spelling of the epithet is "polycephalos" and should be maintained as such despite numerous authors publishing treatments using the spelling "polycephalus".
Status:Native, OBL (NWI)
References:Knapp, W.M. 2014. Juncus fascinatus (Juncaceae), a new combination in Juncus sect. Ozophyllum and notes on morphologically similar species. Phytotaxa 174(5): 243-260.
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyJUNCACEAE - Rush family
Genus Juncus
Species Juncus polycephalos Michaux - Many Head Rush; Flat Leaf Rush

Citation

Citation Juncus polycephalos Michaux, Fl. Bor.-Amer. 1: 192. 1803.
Basionym: **
Type: **

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Juncus echinatus Juncus echinatus Muhlenberg, Cat. Pl. Amer. Sept. 36. 1813, nom. illegit.Juncus polycephalos Michaux 1803. 
Juncus engelmannii Juncus engelmannii Buchenau, Krit. Verz. Juncac. 67. 1879.  
Juncus nodosus var. polycephalos Juncus nodosus Linnaeus, var. polycephalos (Michaux) Persoon, Syn. Pl. 1: 384. 1805.Juncus polycephalos Michaux 1803. 
Juncus polycephalos var. crassifolius Juncus polycephalos Michaux, var. crassifolius Michaux, Fl. Bor.-Amer. 1: 193. 1803, nom. inadmiss. Juncus polycephalos Michaux 1803.
Juncus scirpoides var. polycephalos Juncus scirpoides Lamarck, var. polycephalos (Michaux) Engelmann, Trans. Acad. Sci. St. Louis 2: 468. 1866.Juncus polycephalos Michaux 1803.  

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 the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Autauga, Baldwin, Bibb, Blount, Bullock, Butler, Coffee, Conecuh, Covington, Crenshaw, Dale, Escambia, Geneva, Houston, Macon, Marion, Mobile, Monroe, Montgomery, Pike, Tuscaloosa, Washington

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AMAL, AUA, JSU, NY, TROY, UNA, USAM, UWAL

Range of years during which specimens were collected: 1893 - 1997

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
TROY000011028 Escambia 19 May 2004 Kral, Robert
95255
TROY
Juncus polycephalus Michaux
TROY000011025 Crenshaw 16 Jul 2000 Diamond, Alvin R.
11859
TROY
Juncus polycephalus Michaux
USAM000007577 Mobile 19 May 1979 LeLong, Michel G.
10807
USAM
Juncus polycephalus Michaux
TROY000011024 Conecuh 15 Jul 2000 Diamond, Alvin R.
11840
TROY
Juncus polycephalus Michaux
NY02397950 Mobile 23 Aug 1897 Bush, Benjamin F.
102
NY
Juncus polycephalos Michaux
UWAL0035556 Mobile 23 Apr 2015 Horne, Howard E.
2849
UWAL
Juncus polycephalus Michaux
UNA00004787 Washington 20 Jun 1893 Mohr, Charles
s.n.
UNA
Juncus polycephalus Michx.
TROY000011026 Crenshaw 04 Jun 1995 Diamond, Alvin R.
9578
TROY
Juncus polycephalus Michaux
UNA00009042 Washington 24 Jun 1984 Whetstone, R.D.
14300
UNA
Juncus polycephalus Michx.
TROY000026143 Butler 22 Jun 2008 Diamond, Alvin R.
19460
TROY
Juncus polycephalus Michaux
UNA00004717 Mobile 13 Jun 1965 Deramus, Rebecca
D545
UNA
Juncus polycephalus Michx.
TROY000026142 Butler 30 Sep 2007 Diamond, Alvin R.
18410
TROY
Juncus polycephalus Michaux
UWAL0038442 Mobile 17 Nov 1975 LeLong, Michel G.
8920
UWAL
Juncus polycephalus Michx.
NY02397949 Baldwin s.d. Bigelow, A.J.
s.n.
NY
Juncus polycephalos Michaux
AMAL00001045 Baldwin 26 May 2002 Keener, Brian R.
2099
AMAL
Juncus polycephalus Michx.
UNA00004753 Pike 15 Jun 1979 Wiersema, John H.
953
UNA
Juncus polycephalus Michx.
UWAL0014992 Bullock 17 May 2012 Dykes, Bailee
729
UWAL
Juncus polycephalus Michaux
UWAL0034316 Houston 07 May 1995 Kral, Robert
84549
UWAL
Juncus polycephalus Michx.
UWAL0031260 Mobile 30 May 2009 Keener, Brian R.
5394
UWAL
Juncus polycephalus Michx.
TROY000046421 Montgomery 13 Jun 2011 Diamond, Alvin R.
22246
TROY
Juncus polycephalus Michaux
ALNHS00000830 Monroe 06 Jul 2011 Barger, T. Wayne
RH-290
ALNHS
Juncus polycephalus Michx.
UNA00058144 Marion 03 Jun 2002 Keener, Brian R.
2143
UNA
Juncus polycephalus Michx.
UWAL0019758 Houston 25 Jul 1999 Kral, Robert
78059
UWAL
Juncus polycephalus Michx.
UNA00009042 Washington 24 Jun 1984 Whetstone, R. David
14300
UNA
Juncus polycephalus Michx.
TROY000049594 Autauga 26 May 2017 Parker, Matthew R.
866
TROY
Juncus polycephalos Michaux
UNA00004732 Coffee 15 Jun 1979 Wiersema, John H.
936
UNA
Juncus polycephalus Michx.
AUA_ACC_43546 Conecuh 12 Jul 1985 Diamond, Alvin R.
1212
AUA
Juncus Polycephalus Michx.
AUA_ACC_38516 Macon 28 Jun 1971 Hayden, Iii, C.J.
056
AUA
Juncus Polycephalus Michx.
TROY000034777 Baldwin 10 Jun 2008 Spaulding, Daniel D.
12948
TROY
Juncus polycephalus Michaux
AUA000027040 Baldwin 29 Oct 2007 Barger, T. Wayne
PERD-214
AUA
Juncus Polycephalus Michx.
AUA_ACC_50627 Dale 23 Jun 1991 Diamond, Alvin R.
7484
AUA
Juncus Polycephalus Michx.
TROY000011021 Butler 27 May 2007 Diamond, Alvin R.
17656
TROY
Juncus polycephalus Michaux
TROY000011027 Dale 06 Jun 2000 Woods, Michael
8128
TROY
Juncus polycephalus Michaux
NY02397943 Mobile 02 May 1954 Demarée, Delzie
35078
NY
Juncus polycephalos Michaux
UWAL0044386 Baldwin 04 Jun 1993 Walker, M.M.
64
UWAL
Juncus polycephalos Michx.
JSU100945 Mobile 08 Jun 1997 Spaulding, Daniel D.
9922
JSU
Juncus polycephalus Michaux
TROY000026144 Montgomery 04 Jun 2008 Diamond, Alvin R.
19379
TROY
Juncus polycephalus Michaux
JSU100946 Mobile 31 May 1998 Spaulding, Daniel D.
10265
JSU
Juncus polycephalus Michaux
AMAL00001044 Baldwin 11 May 2000 Kral, Robert
89735
AMAL
Juncus polycephalus Michx.
UNA00000587 Bibb 08 Sep 1995 Birk, Michelle
400
UNA
Juncus polycephalus Michx.
UWAL0043248 Baldwin 16 Jun 1993 Walker, M.M.
108
UWAL
Juncus polycephalus Michx.
AMAL00005543 Baldwin 10 Jun 2008 Spaulding, Daniel D.
12948
AMAL
Juncus polycephalus Michaux
AUA_ACC_53144 Geneva 27 Jul 1989 Diamond, Alvin R.
6134
AUA
Juncus Polycephalus Michx.
NY02397939 Houston 17 May 1997 MacDonald, John R.
10533
NY
Juncus polycephalos Michaux
TROY000037674 Bullock 17 May 2012 Dykes, Bailee
729
TROY
Juncus polycephalus Michaux
UWAL0043249 Baldwin 25 May 1993 Walker, M.M.
270
UWAL
Juncus polycephalus Michx.
JSU100944 Houston 22 Jun 1984 Whetstone, R. David
14198
JSU
Juncus polycephalus Michaux
TROY000010900 Geneva 20 Jul 2000 Diamond, Alvin R.
11869
TROY
Juncus polycephalus Michaux
AMAL00017968 Escambia 19 May 2004 Kral, Robert
95255
AMAL
Juncus polycephalus Michx.
UNA00004746 Tuscaloosa 31 Aug 1981 Forster, Wendy R.
123
UNA
Juncus polycephalus Michx.
UNA00004746 Tuscaloosa 31 Aug 1981 Forster, Wendy R.
123
UNA
Juncus polycephalus Michx.
UWAL0016984 Mobile 16 Jun 2013 Horne, Howard E.
2272
UWAL
Juncus polycephalus Michaux
UNA00004768 Mobile _ Aug 1868 Mohr, Charles
s.n.
UNA
Juncus polycephalus Michx.
TROY000011020 Baldwin 26 May 2002 Keener, Brian R.
2099
TROY
Juncus polycephalus Michaux
UNA00004791 Geneva 15 Jun 1979 Wiersema, John H.
914
UNA
Juncus polycephalus Michx.
TROY000011022 Coffee 07 Jun 1999 Martin, Brian H.
65
TROY
Juncus polycephalus Michaux
AMAL00001046 Marion 03 Jun 2002 Keener, Brian R.
2143
AMAL
Juncus polycephalus Michx.
TROY000011019 Baldwin 11 May 2000 Kral, Robert
89735
TROY
Juncus polycephalus Michaux
UNA00045773 Houston 31 May 1993 MacDonald, John R.
6156
UNA
Juncus polycephalus Michx.
TROY000011023 Coffee 31 Jul 2000 Martin, Brian H.
817
TROY
Juncus polycephalus Michaux
USAM000007579 Mobile 09 May 1968 LeLong, Michel G.
4514
USAM
Juncus polycephalus Michaux
UNA00004797 Mobile 01 May 1965 Deramus, Rebecca
D418
UNA
Juncus polycephalus Michx.
NY02397929 s.d. Buckley, Samuel B.
s.n.
NY
Juncus polycephalos Michaux
UWAL0002407 Baldwin 10 Jun 2008 Spaulding, Daniel D.
12948
UWAL
Juncus polycephalus Michx.
UNA00000079 Mobile 20 Jun 1893 Mohr, Charles
s.n.
UNA
Juncus polycephalus Michx.
USAM000007580 Mobile 12 Jun 1980 LeLong, Michel G.
11140
USAM
Juncus polycephalus Michaux
UNA00058587 Blount 24 May 1998 Keener, Brian R.
1314
UNA
Juncus polycephalus Michx.
TROY000011018 Baldwin 11 May 2000 Kral, Robert
89735
TROY
Juncus polycephalus Michaux
UNA00047670 Houston 17 May 1997 MacDonald, John R.
10533
UNA
Juncus polycephalus Michx.
TROY000011029 Marion 03 Jun 2002 Keener, Brian R.
2143
TROY
Juncus polycephalus Michaux
USAM000007578 Mobile 09 May 1968 LeLong, Michel G.
4514
USAM
Juncus polycephalus Michaux
UWAL0050209 Autauga 26 May 2017 Parker, Matthew R.
866
UWAL
Juncus polycephalos Michaux
NY02397952 Jul 1840 Buckley, Samuel B.
s.n.
NY
Juncus polycephalos Michaux
AUA000041328 Covington 26 Jul 2012 Hansen, Curtis J.
5678A
AUA
Juncus Polycephalus Michx.
ALNHS00000165 Mobile 31 May 1998 Spaulding, Daniel D.
10265
ALNHS
Juncus polycephalus Michx.
UNA00058154 Baldwin 26 May 2002 Keener, Brian R.
2099
UNA
Juncus polycephalus Michx.
UNA00004713 Mobile 28 Jul 1948 Harper, Roland M.
4086
UNA
Juncus polycephalus Michx.
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