Index / Search / Piptatheropsis micrantha
§1 Plant
Piptatheropsis micrantha (Trin. & Rupr.) Romasch., P.M. Peterson & R.J. Soreng
vernacular littleseed ricegrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Piptatheropsis
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 125 counties across 13 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Low
- Fire
- High
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 80 min.
- Precipitation
- 10–28 in/yr
- pH range
- 5.9–7.5
- Root depth
- 12 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 2.5 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- Yes
- Seeds / lb
- 385,000
- Propagation
- seed
§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 125 counties across 13 states/territories.
Arizona view state ↗ 7 N ▾
Colorado view state ↗ 28 N ▾
- Archuleta 08007
- Baca 08009
- Boulder 08013
- Chaffee 08015
- Clear Creek 08019
- Douglas 08035
- Eagle 08037
- El Paso 08041
- Garfield 08045
- Gunnison 08051
- Hinsdale 08053
- Huerfano 08055
- Jackson 08057
- La Plata 08067
- Larimer 08069
- Las Animas 08071
- Mesa 08077
- Mineral 08079
- Moffat 08081
- Montezuma 08083
- Montrose 08085
- Otero 08089
- Park 08093
- Pitkin 08097
- Rio Blanco 08103
- Routt 08107
- Saguache 08109
- Weld 08123
Idaho view state ↗ 1 N ▾
Nebraska view state ↗ 14 N ▾
Nevada view state ↗ 3 N ▾
New Mexico view state ↗ 16 N ▾
North Dakota view state ↗ 12 N ▾
Oklahoma view state ↗ 1 N ▾
South Dakota view state ↗ 11 N ▾
Texas view state ↗ 3 N ▾
Utah view state ↗ 15 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PIMI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/6560149 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z