common dandelion (Taraxacum officinale)
(c) Paul Reeves, some rights reserved (CC BY-NC-SA), uploaded by Paul Reeves · CC BY-NC-SA 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
Flowering plantsIn Mahoning County, Ohio

Common dandelion

Taraxacum officinale Weber ex F.H.Wigg.

Common dandelion in all of Ohio
Kingdom
Plantae
Phylum
Tracheophyta

Introduced and invasive status

Introduced in Ohio: iNaturalist (opens in a new tab)

iNaturalist's volunteer curators list it as introduced in their Ohio checklist.

Near Mahoning County

Range

Where it is recorded

Season shown in 2 of Ohio's 88 counties. Explore Ohio

  • No result yet (10)
  • Recorded, too few records for a result (55)
  • Recorded, season not shown (21)
  • Season shown (2)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Show as a table
Counties as a table
common dandelion by Ohio county: records and mapped range
CountyRecords
Adams CountyRecorded, too few records for a result
Allen County26 · Recorded, season not shown
Ashland County21 · Recorded, season not shown
Ashtabula CountyRecorded, too few records for a result
Athens County271 · Recorded, season not shown
Auglaize CountyRecorded, too few records for a result
Belmont CountyRecorded, too few records for a result
Brown CountyRecorded, too few records for a result
Butler County93 · Recorded, season not shown
Carroll CountyRecorded, too few records for a result
Champaign CountyRecorded, too few records for a result
Clark CountyRecorded, too few records for a result
Clermont County20 · Recorded, season not shown
Clinton CountyNo qualifying records yet
Columbiana County44 · Recorded, season not shown
Coshocton CountyRecorded, too few records for a result
Crawford CountyRecorded, too few records for a result
Cuyahoga County112 · Season shown
Darke CountyRecorded, too few records for a result
Defiance CountyRecorded, too few records for a result
Delaware County30 · Recorded, season not shown
Erie County23 · Recorded, season not shown
Fairfield CountyRecorded, too few records for a result
Fayette CountyRecorded, too few records for a result
Franklin County160 · Recorded, season not shown
Fulton CountyNo qualifying records yet
Gallia CountyRecorded, too few records for a result
Geauga CountyRecorded, too few records for a result
Greene County27 · Recorded, season not shown
Guernsey CountyRecorded, too few records for a result
Hamilton County105 · Season shown
Hancock CountyRecorded, too few records for a result
Hardin CountyRecorded, too few records for a result
Harrison CountyRecorded, too few records for a result
Henry CountyNo qualifying records yet
Highland CountyRecorded, too few records for a result
Hocking CountyRecorded, too few records for a result
Holmes CountyNo qualifying records yet
Huron CountyRecorded, too few records for a result
Jackson CountyRecorded, too few records for a result
Jefferson CountyRecorded, too few records for a result
Knox CountyRecorded, too few records for a result
Lake CountyRecorded, too few records for a result
Lawrence CountyRecorded, too few records for a result
Licking County29 · Recorded, season not shown
Logan CountyRecorded, too few records for a result
Lorain County38 · Recorded, season not shown
Lucas County48 · Recorded, season not shown
Madison CountyRecorded, too few records for a result
Mahoning County51 · Recorded, season not shown
Marion CountyRecorded, too few records for a result
Medina CountyRecorded, too few records for a result
Meigs CountyRecorded, too few records for a result
Mercer CountyRecorded, too few records for a result
Miami CountyRecorded, too few records for a result
Monroe CountyRecorded, too few records for a result
Montgomery County53 · Recorded, season not shown
Morgan CountyRecorded, too few records for a result
Morrow CountyRecorded, too few records for a result
Muskingum CountyRecorded, too few records for a result
Noble CountyNo qualifying records yet
Ottawa CountyRecorded, too few records for a result
Paulding CountyNo qualifying records yet
Perry CountyRecorded, too few records for a result
Pickaway CountyRecorded, too few records for a result
Pike CountyRecorded, too few records for a result
Portage County21 · Recorded, season not shown
Preble CountyRecorded, too few records for a result
Putnam CountyRecorded, too few records for a result
Richland CountyRecorded, too few records for a result
Ross CountyRecorded, too few records for a result
Sandusky CountyRecorded, too few records for a result
Scioto CountyRecorded, too few records for a result
Seneca CountyNo qualifying records yet
Shelby CountyNo qualifying records yet
Stark County40 · Recorded, season not shown
Summit County124 · Recorded, season not shown
Trumbull CountyRecorded, too few records for a result
Tuscarawas CountyRecorded, too few records for a result
Union CountyRecorded, too few records for a result
Van Wert CountyNo qualifying records yet
Vinton CountyRecorded, too few records for a result
Warren County33 · Recorded, season not shown
Washington CountyRecorded, too few records for a result
Wayne County32 · Recorded, season not shown
Williams CountyRecorded, too few records for a result
Wood County36 · Recorded, season not shown
Wyandot CountyNo qualifying records yet

No mapped range from the range source used, the USGS Gap Analysis Project, which maps land vertebrates only.

Season

When it is recorded

In Mahoning County

Not enough evidence

Most records come from a single year, so a season is not shown yet. Based on 51 records in 6 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Recording in Mahoning County · records of all species each week, 8,408 in all

Records per week from 51 records in 6 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.

Show as a table
Records of common dandelion in Mahoning County each week, and records of all species
WeekRecords of common dandelionYears recordedRecords of all species
Jan 4–10009
Jan 11–170027
Jan 18–240019
Jan 25–310032
Feb 1–70044
Feb 8–140028
Feb 15–210017
Feb 22–280063
Mar 1–70046
Mar 8–140028
Mar 15–210036
Mar 22–280027
Mar 29 – Apr 40045
Apr 5–111177
Apr 12–1822163
Apr 19–2511108
Apr 26 – May 261286
May 3–9161203
May 10–1673299
May 17–2372643
May 24–3042702
May 31 – Jun 622250
Jun 7–1300226
Jun 14–2000308
Jun 21–2700249
Jun 28 – Jul 400259
Jul 5–1100310
Jul 12–1800308
Jul 19–2500212
Jul 26 – Aug 111310
Aug 2–800242
Aug 9–1500315
Aug 16–2200345
Aug 23–2900247
Aug 30 – Sep 500331
Sep 6–1200241
Sep 13–1900175
Sep 20–2611181
Sep 27 – Oct 311169
Oct 4–1000124
Oct 11–171187
Oct 18–2400110
Oct 25–310050
Nov 1–71138
Nov 8–140031
Nov 15–210026
Nov 22–280018
Nov 29 – Dec 50051
Dec 6–12007
Dec 13–190010
Dec 20–2600235
Dec 27 – Jan 20041

Reported in flower

No records here show flowers yet, so there is no flowering season to show. One needs at least 20 records from 5 different years.

Reported in fruit

Only 1 records here show fruit, too few to show a fruiting season. One needs at least 20 records from 5 different years.

In Ohio

Late March to early November, middle week May 3–9

Show over the bars
Recording in Ohio · records of all species each week, 1,691,199 in all

Records per week from 2,083 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not how common it is. The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low; the season is not adjusted by them.

Recorded on 952 dates. Latest record: December 2025.

Show as a table
Records of common dandelion in Ohio each week, and records of all species
WeekRecords of common dandelionYears recordedRecords of all species
Jan 4–10446,211
Jan 11–17425,146
Jan 18–24334,645
Jan 25–31224,698
Feb 1–7116,023
Feb 8–14735,888
Feb 15–21335,436
Feb 22–28116,846
Mar 1–7448,321
Mar 8–1411610,384
Mar 15–2124512,620
Mar 22–2831813,949
Mar 29 – Apr 4721019,661
Apr 5–11991026,860
Apr 12–181601039,925
Apr 19–251951041,623
Apr 26 – May 22731056,391
May 3–9203952,952
May 10–16941053,785
May 17–2393857,698
May 24–3052954,651
May 31 – Jun 629853,099
Jun 7–1322853,700
Jun 14–2022656,625
Jun 21–2718955,361
Jun 28 – Jul 410758,477
Jul 5–1110761,336
Jul 12–1811664,722
Jul 19–2513669,753
Jul 26 – Aug 19559,416
Aug 2–88459,712
Aug 9–1513655,994
Aug 16–2214754,328
Aug 23–2919651,772
Aug 30 – Sep 537857,167
Sep 6–1273959,075
Sep 13–1976854,543
Sep 20–2637945,860
Sep 27 – Oct 388943,180
Oct 4–1040837,841
Oct 11–1745930,824
Oct 18–2430921,156
Oct 25–3125519,021
Nov 1–720714,172
Nov 8–1427812,621
Nov 15–211167,965
Nov 22–28958,136
Nov 29 – Dec 5546,083
Dec 6–12856,004
Dec 13–19425,423
Dec 20–26435,661
Dec 27 – Jan 21068,459

Reported in flower

No flowering season shown here. The weeks are still too uncertain to show a season.

Reported in fruit

No fruiting season shown here. The weeks are still too uncertain to show a season.

What these results show

These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.

Identification

How to identify it

Telling it apart

From what Ohio’s records show. Only what the records support is shown.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Developed78%49%
Forest11%31%
Farmland9%11%
Wetland1%5%
Open water0.3%3%
Barren0.2%0.6%
Grassland and shrub0.2%0.9%

From 1,452 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)

Sources

Where these results come from

  • Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
  • Seasons use the published method and its evidence thresholds. Methods
  • See it on iNaturalist (opens in a new tab)OpenPhenology is independent and not affiliated with iNaturalist.

Records behind the Ohio result

2,083 records from 2 datasets.

To cite: the GBIF download doi:10.15468/dl.y2jkt8 (opens in a new tab).

A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.