Index / Search / Triadenum tubulosum
§1 Plant
Triadenum tubulosum (Walter) Gleason
vernacular lesser marsh St. Johnswort — species · Clusiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Clusiaceae Lindl.
- Genus
- Triadenum
Native status, by region
- L48 Lower 48 States Native
County-level range
· 126 counties across 17 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 126 counties across 17 states/territories.
Alabama view state ↗ 2 N ▾
Arkansas view state ↗ 12 N ▾
Florida view state ↗ 3 N ▾
Illinois view state ↗ 9 N ▾
Indiana view state ↗ 11 N ▾
Kentucky view state ↗ 25 N ▾
- Adair 21001
- Ballard 21007
- Barren 21009
- Calloway 21035
- Carlisle 21039
- Daviess 21059
- Hardin 21093
- Harrison 21097
- Hickman 21105
- Hopkins 21107
- Jefferson 21111
- Laurel 21125
- Marshall 21157
- McCreary 21147
- McLean 21149
- Montgomery 21173
- Ohio 21183
- Owen 21187
- Powell 21197
- Pulaski 21199
- Rockcastle 21203
- Rowan 21205
- Warren 21227
- Wayne 21231
- Webster 21233
Louisiana view state ↗ 19 N ▾
Maryland view state ↗ 6 N ▾
Mississippi view state ↗ 4 N ▾
Missouri view state ↗ 6 N ▾
North Carolina view state ↗ 2 N ▾
South Carolina view state ↗ 2 N ▾
Tennessee view state ↗ 9 N ▾
Texas view state ↗ 2 N ▾
Virginia view state ↗ 5 N ▾
West Virginia view state ↗ 4 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/TRTU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3189579 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z