§1 Plant
Najas minor All.
vernacular brittle waternymph — species · Najadaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Monocot
- Family
- Najadaceae Juss.
- Genus
- Najas
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Introduced
§2b
County-level range
· 193 counties across 20 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Fire
- High
- Salinity
- Medium
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 47 °F minimum
- pH range
- 6.3–7.2
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Colonizing
- Growth rate
- Rapid
- Mature height
- 2 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Green
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Summer
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Propagation
- sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 193 counties across 20 states/territories.
Alabama view state ↗ 9 I ▾
Arkansas view state ↗ 1 I ▾
Florida view state ↗ 1 I ▾
Georgia view state ↗ 13 I ▾
Illinois view state ↗ 41 I ▾
- Alexander 17003
- Clark 17023
- Clinton 17027
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- Edgar 17045
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Gallatin 17059
- Greene 17061
- Hamilton 17065
- Hardin 17069
- Henderson 17071
- Iroquois 17075
- Jackson 17077
- Jefferson 17081
- Johnson 17087
- Lawrence 17101
- Macoupin 17117
- Madison 17119
- Marion 17121
- Massac 17127
- McDonough 17109
- Perry 17145
- Pope 17151
- Pulaski 17153
- Randolph 17157
- Richland 17159
- Saline 17165
- Sangamon 17167
- Shelby 17173
- St. Clair 17163
- Union 17181
- Vermilion 17183
- Wabash 17185
- Washington 17189
- Wayne 17191
- Williamson 17199
Indiana view state ↗ 10 I ▾
Kentucky view state ↗ 30 I ▾
- Ballard 21007
- Bath 21011
- Boone 21015
- Campbell 21037
- Clay 21051
- Cumberland 21057
- Daviess 21059
- Elliott 21063
- Floyd 21071
- Franklin 21073
- Grant 21081
- Greenup 21089
- Hardin 21093
- Harrison 21097
- Henry 21103
- Hopkins 21107
- Jackson 21109
- Knott 21119
- Laurel 21125
- Lyon 21143
- Madison 21151
- McLean 21149
- Meade 21163
- Pendleton 21191
- Rowan 21205
- Shelby 21211
- Todd 21219
- Trigg 21221
- Warren 21227
- Whitley 21235
Louisiana view state ↗ 6 I ▾
Massachusetts view state ↗ 1 I ▾
Michigan view state ↗ 1 I ▾
Mississippi view state ↗ 2 I ▾
New Jersey view state ↗ 3 I ▾
New York view state ↗ 19 I ▾
North Carolina view state ↗ 1 I ▾
Pennsylvania view state ↗ 11 I ▾
South Carolina view state ↗ 1 I ▾
Tennessee view state ↗ 18 I ▾
Vermont view state ↗ 2 I ▾
Virginia view state ↗ 12 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/NAMI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5329434 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z