moth mullein (Verbascum blattaria)
(c) margiemick, some rights reserved (CC BY-NC) · CC BY-NC 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
Flowering plantsIn Warren County, Ohio

Moth mullein

Verbascum blattaria L.

Moth mullein in all of Ohio
Kingdom
Plantae
Phylum
Tracheophyta

Introduced and invasive status

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

Also listed

  • Introduced and assessed as invasive in the lower 48 states

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

US-RIIS assesses a species as invasive when it causes, or is likely to cause, harm there, or is at least locally abundant and harmful ecologically, economically, or to health.

Status: Simpson A, Sellers E, Pagad S (2023). United States Register of Introduced and Invasive Species (US-RIIS), ver. 2.0. U.S. Geological Survey, https://doi.org/10.5066/P9KFFTOD (opens in a new tab)

Near Warren County

Range

Where it is recorded

Season shown in 1 of Ohio's 88 counties. Explore Ohio

  • No result yet (13)
  • Recorded, too few records for a result (60)
  • Recorded, season not shown (14)
  • Season shown (1)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Show as a table
Counties as a table
moth mullein by Ohio county: records and mapped range
CountyRecords
Adams CountyRecorded, too few records for a result
Allen CountyRecorded, too few records for a result
Ashland CountyRecorded, too few records for a result
Ashtabula CountyRecorded, too few records for a result
Athens CountyRecorded, too few records for a result
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 County63 · Recorded, season not shown
Carroll CountyRecorded, too few records for a result
Champaign CountyNo qualifying records yet
Clark CountyRecorded, too few records for a result
Clermont County29 · Recorded, season not shown
Clinton CountyRecorded, too few records for a result
Columbiana CountyRecorded, too few records for a result
Coshocton CountyRecorded, too few records for a result
Crawford CountyNo qualifying records yet
Cuyahoga County84 · Recorded, season not shown
Darke CountyRecorded, too few records for a result
Defiance CountyRecorded, too few records for a result
Delaware CountyRecorded, too few records for a result
Erie CountyRecorded, too few records for a result
Fairfield CountyRecorded, too few records for a result
Fayette CountyNo qualifying records yet
Franklin County91 · Recorded, season not shown
Fulton CountyRecorded, too few records for a result
Gallia CountyRecorded, too few records for a result
Geauga CountyRecorded, too few records for a result
Greene County37 · Recorded, season not shown
Guernsey CountyNo qualifying records yet
Hamilton County109 · Recorded, season not 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 CountyRecorded, too few records for a result
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 County32 · Recorded, season not shown
Lawrence CountyNo qualifying records yet
Licking CountyRecorded, too few records for a result
Logan CountyRecorded, too few records for a result
Lorain County25 · Recorded, season not shown
Lucas County21 · Recorded, season not shown
Madison CountyNo qualifying records yet
Mahoning CountyRecorded, too few records for a result
Marion CountyRecorded, too few records for a result
Medina County20 · Recorded, season not shown
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 CountyNo qualifying records yet
Montgomery County25 · 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 CountyRecorded, too few records for a result
Ottawa CountyRecorded, too few records for a result
Paulding CountyRecorded, too few records for a result
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 County25 · Recorded, season not shown
Preble CountyRecorded, too few records for a result
Putnam CountyNo qualifying records yet
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 CountyRecorded, too few records for a result
Shelby CountyNo qualifying records yet
Stark County31 · Recorded, season not shown
Summit County79 · Season shown
Trumbull CountyRecorded, too few records for a result
Tuscarawas CountyNo qualifying records yet
Union CountyRecorded, too few records for a result
Van Wert CountyNo qualifying records yet
Vinton CountyNo qualifying records yet
Warren County30 · Recorded, season not shown
Washington CountyRecorded, too few records for a result
Wayne CountyRecorded, too few records for a result
Williams CountyRecorded, too few records for a result
Wood CountyRecorded, too few records for a result
Wyandot CountyRecorded, too few records for a result

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

Season

When it is recorded

In Warren County

Not enough evidence

The weeks are still too uncertain to show a season. Based on 30 records in 7 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Recording in Warren County · records of all species each week, 16,872 in all

Records per week from 30 records in 7 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 moth mullein in Warren County each week, and records of all species
WeekRecords of moth mulleinYears recordedRecords of all species
Jan 4–1000108
Jan 11–170029
Jan 18–240028
Jan 25–310037
Feb 1–70023
Feb 8–140038
Feb 15–210066
Feb 22–280065
Mar 1–70053
Mar 8–140070
Mar 15–2100116
Mar 22–2800117
Mar 29 – Apr 400396
Apr 5–1100254
Apr 12–1800324
Apr 19–2500336
Apr 26 – May 200539
May 3–900323
May 10–1600423
May 17–2300420
May 24–3011378
May 31 – Jun 633696
Jun 7–1354759
Jun 14–2085727
Jun 21–2753558
Jun 28 – Jul 411552
Jul 5–1132695
Jul 12–1822643
Jul 19–2500564
Jul 26 – Aug 100530
Aug 2–800491
Aug 9–1511720
Aug 16–2200565
Aug 23–2900534
Aug 30 – Sep 511719
Sep 6–1200619
Sep 13–1900584
Sep 20–2600390
Sep 27 – Oct 300403
Oct 4–1000264
Oct 11–1700277
Oct 18–2400266
Oct 25–3100204
Nov 1–700159
Nov 8–1400141
Nov 15–210078
Nov 22–2800220
Nov 29 – Dec 50053
Dec 6–120058
Dec 13–190045
Dec 20–260075
Dec 27 – Jan 200140

Reported in flower

Only 2 records here show flowers, too few to show a flowering season. One needs at least 20 records from 5 different years.

Reported in fruit

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

In Ohio

Late May to late September, middle week Jun 28 – Jul 4

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

Records per week from 1,300 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 624 dates. Latest record: November 2025.

Show as a table
Records of moth mullein in Ohio each week, and records of all species
WeekRecords of moth mulleinYears recordedRecords of all species
Jan 4–10226,211
Jan 11–17115,146
Jan 18–24114,645
Jan 25–31004,698
Feb 1–7116,023
Feb 8–14005,888
Feb 15–21005,436
Feb 22–28006,846
Mar 1–7218,321
Mar 8–140010,384
Mar 15–211112,620
Mar 22–282213,949
Mar 29 – Apr 41119,661
Apr 5–112126,860
Apr 12–181139,925
Apr 19–251141,623
Apr 26 – May 25356,391
May 3–90052,952
May 10–162253,785
May 17–238557,698
May 24–3032454,651
May 31 – Jun 669753,099
Jun 7–131641053,700
Jun 14–201891056,625
Jun 21–271321055,361
Jun 28 – Jul 4110958,477
Jul 5–111041061,336
Jul 12–1873864,722
Jul 19–2565769,753
Jul 26 – Aug 144959,416
Aug 2–844959,712
Aug 9–1524955,994
Aug 16–2230954,328
Aug 23–2922951,772
Aug 30 – Sep 527957,167
Sep 6–1220859,075
Sep 13–1930854,543
Sep 20–2612745,860
Sep 27 – Oct 325543,180
Oct 4–1019737,841
Oct 11–179630,824
Oct 18–246421,156
Oct 25–319619,021
Nov 1–74314,172
Nov 8–144312,621
Nov 15–21217,965
Nov 22–28118,136
Nov 29 – Dec 5006,083
Dec 6–12006,004
Dec 13–19005,423
Dec 20–26005,661
Dec 27 – Jan 2008,459

Reported in flower

Usually reported in flower late May to early August, middle week late June, and again late August to late September, middle week mid-September.

Reported in fruit

Only 15 records here show fruit, too few to show a fruiting season. One needs at least 20 records from 5 different years.

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.

Relatives

In the same genus

Other Verbascum recorded in Warren County

Identification

How to identify it

Telling it apart

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

Often confused with

  • great mullein Verbascum thapsus54 identifications worldwide named one where the other was meant
  • wild teasel Dipsacus fullonum11 identifications worldwide named one where the other was meant

From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.

Months not reported

  1. Jan: recorded
  2. Feb: recorded
  3. Mar: recorded
  4. Apr: recorded
  5. May: recorded
  6. Jun: recorded
  7. Jul: recorded
  8. Aug: recorded
  9. Sep: recorded
  10. Oct: recorded
  11. Nov: recorded
  12. Dec: no record

Not reported in Ohio in December, 2016 to 2025.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Developed60%49%
Farmland18%11%
Forest17%31%
Wetland3%5%
Barren0.9%0.6%
Grassland and shrub0.9%0.9%
Open water0.6%3%

From 818 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

1,300 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.