- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Sapindales
- Family
- Anacardiaceae
- Genus
- Rhus
Near Hamilton County
Range
Where it is recorded
Season shown in 0 of Ohio's 88 counties. Explore Ohio
- No result yet (30)
- Recorded, too few records for a result (46)
- Recorded, season not shown (12)
- Season shown (0)
Counties as a table
| County | Records |
|---|---|
| Adams County | Recorded, too few records for a result |
| Allen County | Recorded, too few records for a result |
| Ashland County | Recorded, too few records for a result |
| Ashtabula County | 30 · Recorded, season not shown |
| Athens County | Recorded, too few records for a result |
| Auglaize County | No qualifying records yet |
| Belmont County | Recorded, too few records for a result |
| Brown County | No qualifying records yet |
| Butler County | Recorded, too few records for a result |
| Carroll County | Recorded, too few records for a result |
| Champaign County | No qualifying records yet |
| Clark County | No qualifying records yet |
| Clermont County | Recorded, too few records for a result |
| Clinton County | No qualifying records yet |
| Columbiana County | Recorded, too few records for a result |
| Coshocton County | No qualifying records yet |
| Crawford County | No qualifying records yet |
| Cuyahoga County | 210 · Recorded, season not shown |
| Darke County | Recorded, too few records for a result |
| Defiance County | No qualifying records yet |
| Delaware County | Recorded, too few records for a result |
| Erie County | 34 · Recorded, season not shown |
| Fairfield County | No qualifying records yet |
| Fayette County | Recorded, too few records for a result |
| Franklin County | 38 · Recorded, season not shown |
| Fulton County | Recorded, too few records for a result |
| Gallia County | Recorded, too few records for a result |
| Geauga County | 55 · Recorded, season not shown |
| Greene County | Recorded, too few records for a result |
| Guernsey County | Recorded, too few records for a result |
| Hamilton County | 79 · Recorded, season not shown |
| Hancock County | Recorded, too few records for a result |
| Hardin County | Recorded, too few records for a result |
| Harrison County | No qualifying records yet |
| Henry County | Recorded, too few records for a result |
| Highland County | No qualifying records yet |
| Hocking County | Recorded, too few records for a result |
| Holmes County | Recorded, too few records for a result |
| Huron County | No qualifying records yet |
| Jackson County | Recorded, too few records for a result |
| Jefferson County | Recorded, too few records for a result |
| Knox County | No qualifying records yet |
| Lake County | 50 · Recorded, season not shown |
| Lawrence County | Recorded, too few records for a result |
| Licking County | Recorded, too few records for a result |
| Logan County | No qualifying records yet |
| Lorain County | 27 · Recorded, season not shown |
| Lucas County | 78 · Recorded, season not shown |
| Madison County | No qualifying records yet |
| Mahoning County | Recorded, too few records for a result |
| Marion County | Recorded, too few records for a result |
| Medina County | Recorded, too few records for a result |
| Meigs County | Recorded, too few records for a result |
| Mercer County | Recorded, too few records for a result |
| Miami County | Recorded, too few records for a result |
| Monroe County | No qualifying records yet |
| Montgomery County | Recorded, too few records for a result |
| Morgan County | Recorded, too few records for a result |
| Morrow County | No qualifying records yet |
| Muskingum County | No qualifying records yet |
| Noble County | No qualifying records yet |
| Ottawa County | 38 · Recorded, season not shown |
| Paulding County | No qualifying records yet |
| Perry County | No qualifying records yet |
| Pickaway County | No qualifying records yet |
| Pike County | Recorded, too few records for a result |
| Portage County | 45 · Recorded, season not shown |
| Preble County | No qualifying records yet |
| Putnam County | No qualifying records yet |
| Richland County | Recorded, too few records for a result |
| Ross County | Recorded, too few records for a result |
| Sandusky County | Recorded, too few records for a result |
| Scioto County | Recorded, too few records for a result |
| Seneca County | No qualifying records yet |
| Shelby County | Recorded, too few records for a result |
| Stark County | Recorded, too few records for a result |
| Summit County | 142 · Recorded, season not shown |
| Trumbull County | Recorded, too few records for a result |
| Tuscarawas County | No qualifying records yet |
| Union County | No qualifying records yet |
| Van Wert County | No qualifying records yet |
| Vinton County | No qualifying records yet |
| Warren County | Recorded, too few records for a result |
| Washington County | Recorded, too few records for a result |
| Wayne County | Recorded, too few records for a result |
| Williams County | Recorded, too few records for a result |
| Wood County | Recorded, too few records for a result |
| Wyandot County | No 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 Hamilton County
Not enough evidence
The weeks are still too uncertain to show a season. Based on 79 records in 8 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Records per week from 79 records in 8 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
| Week | Records of staghorn sumac | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 1 | 1 | 392 |
| Jan 11–17 | 0 | 0 | 344 |
| Jan 18–24 | 3 | 2 | 312 |
| Jan 25–31 | 0 | 0 | 206 |
| Feb 1–7 | 0 | 0 | 357 |
| Feb 8–14 | 0 | 0 | 383 |
| Feb 15–21 | 1 | 1 | 366 |
| Feb 22–28 | 1 | 1 | 391 |
| Mar 1–7 | 1 | 1 | 551 |
| Mar 8–14 | 1 | 1 | 523 |
| Mar 15–21 | 1 | 1 | 750 |
| Mar 22–28 | 1 | 1 | 1,012 |
| Mar 29 – Apr 4 | 0 | 0 | 1,535 |
| Apr 5–11 | 0 | 0 | 1,960 |
| Apr 12–18 | 0 | 0 | 2,492 |
| Apr 19–25 | 3 | 1 | 2,403 |
| Apr 26 – May 2 | 2 | 2 | 3,783 |
| May 3–9 | 1 | 1 | 3,307 |
| May 10–16 | 4 | 3 | 2,059 |
| May 17–23 | 4 | 4 | 2,153 |
| May 24–30 | 3 | 3 | 2,390 |
| May 31 – Jun 6 | 5 | 2 | 2,648 |
| Jun 7–13 | 3 | 2 | 2,715 |
| Jun 14–20 | 1 | 1 | 2,695 |
| Jun 21–27 | 5 | 3 | 2,714 |
| Jun 28 – Jul 4 | 0 | 0 | 3,220 |
| Jul 5–11 | 2 | 2 | 2,980 |
| Jul 12–18 | 1 | 1 | 3,031 |
| Jul 19–25 | 5 | 4 | 2,961 |
| Jul 26 – Aug 1 | 3 | 2 | 2,795 |
| Aug 2–8 | 1 | 1 | 2,884 |
| Aug 9–15 | 1 | 1 | 2,696 |
| Aug 16–22 | 1 | 1 | 2,535 |
| Aug 23–29 | 2 | 1 | 2,536 |
| Aug 30 – Sep 5 | 2 | 2 | 2,606 |
| Sep 6–12 | 2 | 2 | 2,980 |
| Sep 13–19 | 0 | 0 | 2,959 |
| Sep 20–26 | 1 | 1 | 2,313 |
| Sep 27 – Oct 3 | 2 | 2 | 2,122 |
| Oct 4–10 | 0 | 0 | 1,828 |
| Oct 11–17 | 2 | 1 | 1,793 |
| Oct 18–24 | 2 | 2 | 1,338 |
| Oct 25–31 | 5 | 5 | 1,023 |
| Nov 1–7 | 1 | 1 | 676 |
| Nov 8–14 | 1 | 1 | 593 |
| Nov 15–21 | 1 | 1 | 384 |
| Nov 22–28 | 0 | 0 | 496 |
| Nov 29 – Dec 5 | 1 | 1 | 356 |
| Dec 6–12 | 0 | 0 | 478 |
| Dec 13–19 | 2 | 2 | 285 |
| Dec 20–26 | 0 | 0 | 322 |
| Dec 27 – Jan 2 | 0 | 0 | 388 |
Reported in flower
Only 5 records here show flowers, too few to show a flowering season. One needs at least 20 records from 5 different years.
Reported in fruit
Only 11 records here show fruit, too few to show a fruiting season. One needs at least 20 records from 5 different years.
In Ohio
Mid-April to early December, middle week Aug 2–8
Middle week · Aug 2–8
This week · Nov 8–14
Show over the bars
Records per week from 1,379 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 883 dates. Latest record: December 2025.
Show as a table
| Week | Records of staghorn sumac | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 12 | 5 | 6,211 |
| Jan 11–17 | 1 | 1 | 5,146 |
| Jan 18–24 | 9 | 5 | 4,645 |
| Jan 25–31 | 2 | 2 | 4,698 |
| Feb 1–7 | 4 | 2 | 6,023 |
| Feb 8–14 | 4 | 3 | 5,888 |
| Feb 15–21 | 5 | 4 | 5,436 |
| Feb 22–28 | 5 | 4 | 6,846 |
| Mar 1–7 | 4 | 3 | 8,321 |
| Mar 8–14 | 3 | 3 | 10,384 |
| Mar 15–21 | 8 | 5 | 12,620 |
| Mar 22–28 | 3 | 2 | 13,949 |
| Mar 29 – Apr 4 | 4 | 2 | 19,661 |
| Apr 5–11 | 9 | 4 | 26,860 |
| Apr 12–18 | 19 | 5 | 39,925 |
| Apr 19–25 | 17 | 3 | 41,623 |
| Apr 26 – May 2 | 23 | 8 | 56,391 |
| May 3–9 | 20 | 7 | 52,952 |
| May 10–16 | 29 | 8 | 53,785 |
| May 17–23 | 19 | 7 | 57,698 |
| May 24–30 | 25 | 8 | 54,651 |
| May 31 – Jun 6 | 28 | 8 | 53,099 |
| Jun 7–13 | 30 | 6 | 53,700 |
| Jun 14–20 | 51 | 10 | 56,625 |
| Jun 21–27 | 43 | 7 | 55,361 |
| Jun 28 – Jul 4 | 64 | 9 | 58,477 |
| Jul 5–11 | 74 | 10 | 61,336 |
| Jul 12–18 | 73 | 10 | 64,722 |
| Jul 19–25 | 49 | 8 | 69,753 |
| Jul 26 – Aug 1 | 48 | 10 | 59,416 |
| Aug 2–8 | 54 | 8 | 59,712 |
| Aug 9–15 | 47 | 9 | 55,994 |
| Aug 16–22 | 41 | 9 | 54,328 |
| Aug 23–29 | 44 | 10 | 51,772 |
| Aug 30 – Sep 5 | 49 | 8 | 57,167 |
| Sep 6–12 | 48 | 8 | 59,075 |
| Sep 13–19 | 55 | 10 | 54,543 |
| Sep 20–26 | 52 | 10 | 45,860 |
| Sep 27 – Oct 3 | 52 | 9 | 43,180 |
| Oct 4–10 | 40 | 6 | 37,841 |
| Oct 11–17 | 36 | 8 | 30,824 |
| Oct 18–24 | 34 | 8 | 21,156 |
| Oct 25–31 | 30 | 8 | 19,021 |
| Nov 1–7 | 17 | 7 | 14,172 |
| Nov 8–14 | 21 | 6 | 12,621 |
| Nov 15–21 | 9 | 4 | 7,965 |
| Nov 22–28 | 8 | 5 | 8,136 |
| Nov 29 – Dec 5 | 13 | 5 | 6,083 |
| Dec 6–12 | 9 | 6 | 6,004 |
| Dec 13–19 | 18 | 5 | 5,423 |
| Dec 20–26 | 8 | 6 | 5,661 |
| Dec 27 – Jan 2 | 9 | 5 | 8,459 |
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
Look-alikes
Land cover
Often confused with
- smooth sumac Rhus glabraOften confused in Ohio: 126 identifications in Ohio named one where the other was meant
- tree-of-heaven Ailanthus altissimaOften confused in Ohio: 36 identifications in Ohio named one where the other was meant
- eastern black walnut Juglans nigra74 identifications worldwide named one where the other was meant
- common ragweed Ambrosia artemisiifolia23 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.
Land cover where it is recorded
| Land cover | Its recordsAll Ohio records |
|---|---|
| Developed | 63%49% |
| Forest | 17%31% |
| Wetland | 8%5% |
| Farmland | 7%11% |
| Barren | 3%0.6% |
| Open water | 2%3% |
| Grassland and shrub | 0.7%0.9% |
From 831 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
1,379 records from 2 datasets.
- iNaturalist Research-grade Observations (opens in a new tab) · iNaturalist.org · 1,374 recordsiNaturalist contributors, iNaturalist (2026). iNaturalist Research-grade Observations. iNaturalist.org. Occurrence dataset https://doi.org/10.15468/ab3s5x accessed via GBIF.org on 2026-11-13.
- iNaturalist observations (opens in a new tab) · iNaturalist.org · 5 recordsiNaturalist. Available from https://www.inaturalist.org. Accessed 2026-11-13
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.