Paspalum distichum

Family:POACEAE
Species:Paspalum distichum Michaux
Common Name:Jointed Crowngrass; Knotgrass
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:PADI6
Plant Notes:**
Taxonomic Notes:**
Status:Native, OBL (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyPOACEAE - Grass family
Genus Paspalum
Species Paspalum distichum Michaux - Jointed Crowngrass; Knotgrass

Citation

Citation PASPALUM DISTICHUM Linnaeus, Syst. Nat., ed. 10. 855. 1759.
Basionym: **
Type: Without data (lectotype: LINN 79.9, second fertile culm from the left). Lectotypified by Jovet & Guédès, Taxon 21: 546. 1972.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Paspalum distichum var. paspalodes Paspalum distichum Linnaeus, var. paspalodes (Michaux) Thellung, Mém. Soc. Sci. Nat. Cherbourg 38: 77. 1912.Digitaria paspalodes Michaux 1803. 
Anastrophus paspalodes Anastrophus paspalodes (Michaux) Nash, in Britton, Man. Fl. N. States 75. 1901.Digitaria paspalodes Michaux 1803. 
Digitaria disticha Digitaria disticha (Linnaeus) Fiori & Paoletti, Iconogr. Fl. Ital. 1: 16, f. 136. 1895.Paspalum distichum Linnaeus 1759. 
Digitaria paspalodes Digitaria paspalodes Michaux, Fl. Bor.-Amer. 1: 46. 1803. SOUTH CAROLINA: Charleston Co.: Charleston, s.d., Michaux s.n. (holotype: P-M).
Dimorphostachys oaxacensis Dimorphostachys oaxacensis (Steudel) E. Fournier ex Hemsley, Biol. Cent.-Amer., Bot. 3: 499. 1885.Paspalum oaxacense Steudel 1853. 
Milium distichum Milium distichum Muhlenberg, Descr. Gram. 78. 1817.  
Milium paspalodes Milium paspalodes (Michaux) Elliott, Sketch Bot. S. Carolina 1: 104. 1816.Digitaria paspalodes Michaux 1803. 
Panicum paspaliforme Panicum paspaliforme J. Presl, in C. Presl, Reliq. Haenk. 1: 296. 1830. PERU: Huánuco: Huánuco, s.d., Haenke s.n. (holotype: PR; isotype: US(fragm)).
Panicum polyrrhizum Panicum polyrrhizum J. Presl, in C. Presl, Reliq. Haenk. 1: 296. 1830. MEXICO: Baja California: Without data, Haenke s.n. (holotype: PR; isotypes: MO, US(fragm)).
Paspalum chepica Paspalum chepica Steudel, Syn. Pl. Glumac. 1: 21. 1853. CHILE: Santiago, 1828, Bertero 511 (lectotype: P; isolectotype: US(fragm)). Lectotypified by Zuloaga & Morrone, in Zuloaga et al., Contr. U.S. Natl. Herb. 46: 453. 2003.
Paspalum digitaria Paspalum digitaria Poiret, in Lamarck, Encycl. Suppl. 4: 316. 1816, nom. illegit..Digitaria paspalodes Michaux 1803. 
Paspalum distichum var. digitaria Paspalum distichum Linnaeus, var. digitaria Hackel, in Stuckert, Anales Mus. Nac. Buenos Aires 13: 424. 1906.Paspalum digitaria Poiret 1816, nom. illegit.; Digitaria paspalodes Michaux 1803. 
Paspalum distichum var. indutum Paspalum distichum Linnaeus, var. indutum Shinners, Rhodora 56: 31. 1954.TEXAS: Dallas Co.: Dallas, Turtle Creek at Stonebridge Drive, 9 Oct 1948, Shinners 10564 (holotype: SMU). 
Paspalum distichum var. longirepens Paspalum distichum Linnaeus, var. longirepens Domin, Biblioth. Bot. 85: 289. 1915. AUSTRALIA: New South Wales: Sydney, Manley Beach, 1877, Wools s.n. (holotype: K).
Paspalum distichum var. microstachyum Paspalum distichum Linnaeus, var. microstachyum Domin, Biblioth. Bot. 85: 289. 1915. AUSTRALIA: Queensland: Without data, Domin s.n. (holotype: PR).
Paspalum elliottii Paspalum elliottii S. Watson, in A. Gray, Manual, ed. 6. 629. 1890, nom. illegit.Digitaria paspalodes Michaux 1803. 
Paspalum fernandezianum Paspalum fernandezianum Colla, Mem. Reale Accad. Sci. Torino 39: 27, pl. 59. 1836. CHILE: Juan Fernández Islands: Without data, Apr 1830, Bertero 1488 (holotype: TO?; isotypes: K, US(fragm)).
Paspalum michauxianum Paspalum michauxianum Kunth, Revis. Gram. 25. 1829, nom. illegit.Digitaria paspalodes Michaux 1803. 
Paspalum oaxacense Paspalum oaxacense Steudel, Syn. Pl. Glumac. 1: 21. 1853. MEXICO: Oaxaca:
Paspalum paspalodes Paspalum paspalodes (Michaux) Lamson-Scribner, Mem. Torrey Bot. Club 5: 29. 1894.Digitaria paspalodes Michaux 1803. 
Paspalum paucispicatum Paspalum paucispicatum Vasey, Contr. U.S. Natl. Herb. 1: 281. 1893. MEXICO: Jalisco: Guadalajara, Jul-Oct 1886, Palmer 243 (holotype: US; isotypes: MO(2 shts), P).
Paspalum schaffneri Paspalum schaffneri Grisebach ex E. Fournier, Mexic. Pl. 2: 6. 1886. MEXICO
Paspalum vaginatum var. pubescens Paspalum vaginatum Swartz, var. pubescens Döll, in Martius, Fl. Bras. 2(2): 75. 1877. BRAZIL: Rio de Janeiro: Rio de Janeiro, s.d., Glaziou 3612 (holotype: P?).
Paspalum paspaloides Paspalum paspalodes (Michaux) Lamson-Scribner, Mem. Torrey Bot. Club 5: 29. 1894.Digitaria paspalodes 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: Baldwin, Barbour, Bullock, Dale, Elmore, Etowah, Jackson, Lee, Marengo, Mobile, Montgomery, Shelby, Talladega, Tallapoosa, Washington

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1894 - 1998

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
USAM000012327 Mobile 01 Jun 1971 Michael G. LeLong
5724
USAM
Paspalum distichum Michaux
USAM000012329 Mobile 13 Oct 1973 Michael G. LeLong
7354B
USAM
Paspalum distichum Michaux
JSU100342 Etowah 18 Oct 1975 R. D. Whetstone
7356
JSU
Paspalum distichum Michaux
UNA00005513 Elmore 03 Sep 1977 Robert R. Haynes
6369
UNA
Paspalum distichum L.
UNA00005508 Montgomery s.d. Charles Mohr
s.n.
UNA
Paspalum distichum L.
UWAL0010124 Montgomery 28 Aug 2011 Diamond, Alvin R.
22462
UWAL
Paspalum distichum Michaux
JSU100344 Etowah 18 Oct 1975 R. D. Whetstone
7356
JSU
Paspalum distichum Michaux
TROY000038312 Bullock 31 Aug 2012 Bailee Dykes
1229
TROY
Paspalum distichum Michaux
AUA000018396 Lee 19 JUL 1959 AKEDIN, ZAYNUL
AUA
PASPALUM DISTICHUM L.
UWAL0009547 Marengo 27 Jun 2011 England, J. Kevin
2939
UWAL
Paspalum distichum Michaux
UWAL0037718 Baldwin 04 Oct 1975 Lelong, Michel G.
8815
UWAL
Paspalum distichum L.
AUA000018398 Tallapoosa 24 JUL 1966 JOHNSON, WYLIE C.
AUA
PASPALUM DISTICHUM L.
UNA00005538 Mobile 12 Jun 1894 Charles Mohr
s.n.
UNA
Paspalum distichum L.
UWAL0037682 Mobile 01 Jun 1971 Lelong, Michel G.
5724
UWAL
Paspalum distichum L.
JSU100348 Talladega 22 May 1999 K. R. Brodeur
2181
JSU
Paspalum distichum Michaux
TROY000035910 Marengo 27 Jun 2011 J. Kevin England
TROY
Paspalum distichum Michaux
AUA000018395 Baldwin 31 JUL 1952 STURKIE, D. G.
AUA
PASPALUM DISTICHUM L.
JSU100347 Shelby 14 Oct 1975 R. D. Whetstone
6952
JSU
Paspalum distichum Michaux
UNA00005543 Talladega 30 Jun 1979 Robert R. Haynes
7314
UNA
Paspalum distichum L.
USAM000012328 Baldwin 04 Oct 1975 Michael G. LeLong
8815
USAM
Paspalum distichum Michaux
TROY000034009 Montgomery 28 Aug 2011 Alvin R. Diamond
22462
TROY
Paspalum distichum Michaux
JSU100343 Etowah 18 Oct 1975 R. D. Whetstone
7356
JSU
Paspalum distichum Michaux
JSU100346 Shelby 11 Oct 1997 D. D. Spaulding
10129
JSU
Paspalum distichum Michaux
JSU100341 Etowah 14 Aug 1994 L. M. Hodge
3054
JSU
Paspalum distichum Michaux
UWAL0014996 Bullock 31 Aug 2012 Dykes, Bailee
1229
UWAL
Paspalum distichum Michaux
UNA00056045 Barbour 07 Jul 1998 John R. MacDonald
11609
UNA
Paspalum distichum L.
TROY000012447 Dale 15 Sep 2000 Michael Woods
8243
TROY
Paspalum distichum Michaux
UWAL0037579 Washington 01 Nov 1995 Sorrie, B.A.
8673
UWAL
Paspalum distichum L.
UNA00005558 Mobile 15 Aug 1966 Rebecca Deramus
D989
UNA
Paspalum distichum L.
JSU100345 Jackson 14 Oct 1975 R. D. Whetstone
6952
JSU
Paspalum distichum Michaux
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