Matricaria discoidea

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusMatricaria
Species:Matricaria discoidea DC.
Common NameDisc Mayweed; Pineappleweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Fragrance: Yes; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Margins: lobed; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Green; Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Inflorescence Types: head; Inflorescence Types: solitary; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 4; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value N/A
StatusNot Native; AGCP (FACU), EMP (FACU) (NWPL); TN[SNA] KY[SNA] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Artemisia matricarioides Artemisia matricarioides auct. non Less.
Chamomilla suaveolens Chamomilla suaveolens (Pursh) Rydb.
Lepidanthus suaveolens Lepidanthus suaveolens (Pursh) Nutt.
Lepidotheca suaveolens Lepidotheca suaveolens (Pursh) Nutt.
Matricaria matricarioides Matricaria matricarioides auct. non (Less.) Porter
Santolina suaveolens Santolina suaveolens Pursh
Tanacetum suaveolens Tanacetum suaveolens (Pursh) Hook.

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.

Counties included on distribution map: Bourbon (KY), Boyle (KY), Bracken (KY), Breckinridge (KY), Bullitt (KY), Calloway (KY), Carroll (KY), Clinton (KY), Fayette (KY), Franklin (KY), Fulton (KY), Gallatin (KY), Garrard (KY), Grant (KY), Jefferson (KY), Kenton (KY), Larue (KY), Laurel (KY), Lewis (KY), Madison (KY), Marshall (KY), Pendleton (KY), Robertson (KY), Shelby (KY), Todd (KY), Trigg (KY), Trimble (KY), Warren (KY), Carter (TN), Davidson (TN), Greene (TN), Johnson (TN), Knox (TN), Lake (TN), Lauderdale (TN), Montgomery (TN), Putnam (TN), Rutherford (TN), Sevier (TN), Shelby (TN), Sullivan (TN), Unicoi (TN), Washington (TN), Weakley (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, ETSU, HTTU, KNK, MEM, MTSU, TENN, UTM

Range of years during which specimens were collected: 1971 - 2017

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100268190 Marshall Kentucky 08 May 1985 Raymond Athey
5070
EKY
Matricaria discoidea
BEREA007935 Laurel Kentucky
BEREA
Matricaria discoidea
BEREA007939 Madison Kentucky
BEREA
Matricaria discoidea
BEREA007938 Madison Kentucky
BEREA
Matricaria discoidea
BEREA007940 Trigg Kentucky
BEREA
Matricaria discoidea
31973000005788 Kenton Kentucky 31 May 2005 Thieret, John
61953
KNK
Matricaria discoidea
31973000005792 Pendleton Kentucky 08 Jun 1983 Buddell, George
2061
KNK
Matricaria discoidea
31973000005790 Grant Kentucky 07 Jun 1994 Thieret, John
57418
KNK
Matricaria discoidea
31973000005789 Gallatin Kentucky 31 May 2005 Thieret, John
61947
KNK
Matricaria discoidea
31973000005796 Kenton Kentucky 01 May 1976 Applegarth, Patrick
66
KNK
Matricaria discoidea
31973000005795 Grant Kentucky 02 Jun 1997 Buddell, George
7918
KNK
Matricaria discoidea
31973000005797 Carroll Kentucky 03 Jun 1979 Thieret, John
50919
KNK
Matricaria discoidea
31973000005793 Gallatin Kentucky 09 Jun 1984 Thieret, John
55154
KNK
Matricaria discoidea
TENN-V-0235079 Sevier Tennessee
TENN
Matricaria matricarioides
TENN-V-0235077 Knox Tennessee
TENN
Matricaria matricarioides
TENN-V-0235076 Greene Tennessee
TENN
Matricaria matricarioides
APSC0054432 Lake Tennessee 01 May 2009 Dwayne Estes
APSC
Matricaria discoidea
APSC0024930 Todd Kentucky 20 May 1981 Edward Chester
APSC
Matricaria discoidea
APSC0024928 Fulton Kentucky 05 May 1984 Edward Chester
APSC
Matricaria discoidea
APSC0054429 Montgomery Tennessee
APSC
Matricaria discoidea
APSC0024931 Montgomery Tennessee
APSC
Matricaria discoidea
APSC0050665 Larue Kentucky 21 Jun 1993 Landon McKinney
APSC
Matricaria discoidea
APSC0099795 Montgomery Tennessee
APSC
Matricaria discoidea
APSC0088634 Fayette Kentucky
APSC
Matricaria discoidea
APSC0024929 Montgomery Tennessee
APSC
Matricaria discoidea
APSC0057983 Fayette Kentucky Max Medley
APSC
Matricaria discoidea
APSC0071185 Fayette Kentucky 30 May 1984 Max Medley
APSC
Matricaria discoidea
APSC0091281 Trimble Kentucky
APSC
Matricaria discoidea
APSC0107388 Trimble Kentucky
APSC
Matricaria discoidea
APSC0057984 Jefferson Kentucky
APSC
Matricaria discoidea
APSC0024924 Trigg Kentucky
APSC
Matricaria discoidea
APSC0089071 Bourbon Kentucky 21 May 2017 Mason Brock
APSC
Matricaria discoidea
APSC0067633 Shelby Kentucky
APSC
Matricaria discoidea
APSC0090138 Jefferson Kentucky
APSC
Matricaria discoidea
HTTU003643 Putnam Tennessee
HTTU
Matricaria matricarioides
MTSU022001 Rutherford Tennessee 25 Apr 2005 John S. Dockery
64
MTSU
Matricaria matricarioides
MTSU021292 Davidson Tennessee 19 Apr 2008 Richard Marko
1
MTSU
Matricaria discoidea
UTM02756 Fulton Kentucky
UTM
Matricaria discoidea
UTM02755 Weakley Tennessee
UTM
Matricaria discoidea
ETSU012675 Washington Tennessee
ETSU
Matricaria matricarioides
ETSU012674 Johnson Tennessee
ETSU
Matricaria matricarioides
ETSU012676 Sullivan Tennessee
ETSU
Matricaria discoidea
ETSU012533 Unicoi Tennessee
ETSU
Matricaria matricarioides
31234100268208 Robertson Kentucky 05 Jul 2002 Timothy J. Weckman
7403
EKY
Matricaria discoidea
31234100268240 Greene Tennessee 20 Jun 1979 B. Eugene Wofford
79-136
EKY
Matricaria discoidea
31234100420817 Boyle Kentucky 30 May 2000 Timothy J. Weckman
5710
EKY
Matricaria matricarioides
31234100268133 Franklin Kentucky 08 Jul 1979 S. Rice
FR-101
EKY
Matricaria discoidea
31234100268158 Lewis Kentucky 19 May 2005 Timothy J. Weckman
9342
EKY
Matricaria discoidea
31234100268109 Breckinridge Kentucky 30 May 2003 Ronald L. Jones
9404
EKY
Matricaria discoidea
ETSU034172 Carter Tennessee
ETSU
Matricaria discoidea
MTSU021999 Rutherford Tennessee 03 Apr 2006 Mandi Lin Purnell
35
MTSU
Matricaria discoidea
APSC0057982 Warren Kentucky
APSC
Matricaria discoidea
APSC0073114 Bullitt Kentucky
APSC
Matricaria discoidea
APSC0024925 Trigg Kentucky
APSC
Matricaria discoidea
APSC0080197 Gallatin Kentucky
APSC
Matricaria discoidea
TENN-V-0235080 Shelby Tennessee
TENN
Matricaria matricarioides
TENN-V-0235078 Lauderdale Tennessee
TENN
Matricaria matricarioides
31973000005791 Bracken Kentucky 20 Jun 1983 Buddell, George
1158
KNK
Matricaria discoidea
ETSU007954 Carter Tennessee
ETSU
Matricaria matricarioides
BEREA007937 Madison Kentucky
BEREA
Matricaria discoidea
BEREA007934 Garrard Kentucky
BEREA
Matricaria discoidea
BEREA007936 Madison Kentucky
BEREA
Matricaria discoidea
BEREA007933 Calloway Kentucky
BEREA
Matricaria discoidea
31234100268117 Clinton Kentucky 16 May 1998 Mark A. Gorton
98-322
EKY
Matricaria discoidea
31234100268141 Jefferson Kentucky 11 May 2005 Patricia D. Haragan
857
EKY
Matricaria discoidea
31234100268182 Madison Kentucky 17 May 1984 Gary W. Libby
OB-781
EKY
Matricaria discoidea
31234100268125 Fayette Kentucky 14 Apr 2007 Alex Sullivan
10
EKY
Matricaria discoidea
31234100268166 Madison Kentucky 02 May 1993 Randy L. Mears
93-59
EKY
Matricaria discoidea
31234100268174 Madison Kentucky 30 Jun 1993 Timothy J. Weckman
404
EKY
Matricaria discoidea
MEM017203 Lauderdale Tennessee 21 May 1972 Patrick Keiran
379
MEM
Matricaria matricarioides
MEM009816 Shelby Tennessee 04 Jun 1971 John E. Thompson Jr.
209
MEM
Matricaria matricarioides
ETSU034028 Carter Tennessee 10 May 2017 Frosty Levy
ETSU
Anthmus cotula
First Page Previous Page Next Page Last Page
Records per Page:

Plant Photos

Matricaria discoidea - Dwayne Estes
Matricaria discoidea - Dwayne Estes
Matricaria discoidea - Dwayne Estes
Matricaria discoidea - Dwayne Estes
Matricaria discoidea - Theo Witsell
Matricaria discoidea - Theo Witsell
Matricaria discoidea - Theo Witsell
Matricaria discoidea - Theo Witsell