Index / Search / Juncus brachycephalus
§1 Plant
Juncus brachycephalus (Engelm.) Buchenau
vernacular smallhead rush — species · Juncaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Juncaceae Juss.
- Genus
- Juncus
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 193 counties across 17 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Fire
- High
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -28 °F minimum
- Frost-free days
- 95 min.
- Precipitation
- 35–55 in/yr
- pH range
- 5.9–7.1
- Root depth
- 12 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 2 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Propagation
- seed, bare root, sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 193 counties across 17 states/territories.
Georgia view state ↗ 6 N ▾
Illinois view state ↗ 17 N ▾
Indiana view state ↗ 17 N ▾
Maryland view state ↗ 1 N ▾
Massachusetts view state ↗ 4 N ▾
Michigan view state ↗ 44 N ▾
- Allegan 26005
- Bay 26017
- Berrien 26021
- Cass 26027
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clare 26035
- Clinton 26037
- Delta 26041
- Dickinson 26043
- Emmet 26047
- Grand Traverse 26055
- Huron 26063
- Ingham 26065
- Ionia 26067
- Iosco 26069
- Jackson 26075
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Lake 26085
- Lapeer 26087
- Leelanau 26089
- Livingston 26093
- Mackinac 26097
- Macomb 26099
- Manistee 26101
- Midland 26111
- Monroe 26115
- Montcalm 26117
- Newaygo 26123
- Oakland 26125
- Oceana 26127
- Otsego 26137
- Ottawa 26139
- Roscommon 26143
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Tuscola 26157
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
Minnesota view state ↗ 1 N ▾
New Hampshire view state ↗ 5 N ▾
New Jersey view state ↗ 3 N ▾
New York view state ↗ 31 N ▾
- Albany 36001
- Allegany 36003
- Cattaraugus 36009
- Cayuga 36011
- Chemung 36015
- Chenango 36017
- Clinton 36019
- Columbia 36021
- Dutchess 36027
- Erie 36029
- Genesee 36037
- Herkimer 36043
- Jefferson 36045
- Livingston 36051
- Madison 36053
- Monroe 36055
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Rensselaer 36083
- Schenectady 36093
- Schuyler 36097
- Seneca 36099
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Warren 36113
- Washington 36115
- Wayne 36117
Ohio view state ↗ 14 N ▾
Pennsylvania view state ↗ 10 N ▾
Tennessee view state ↗ 8 N ▾
Vermont view state ↗ 9 N ▾
Virginia view state ↗ 3 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUBR2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2701560 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T09:28:40Z