Plantae > Tracheophyta > Liliopsida > Poales > Poaceae > Eriocoma > Eriocoma lettermaniiEriocoma lettermaniiSynonyms: Achnatherum lettermanii (homotypic); Stipa lettermanii (homotypic); Stipa minor; Stipa occidentalis var. minor; Stipa viridula var. lettermanii (homotypic); Stipa viridula var. minor Achnatherum lettermanii is a species of grass known by the common name Letterman's needlegrass. It is native to the western United States from California to Montana to New Mexico, where it is a resident of several types of habitat. |
| Bloom Period [1] | Summer | | Drought Tolerance [1] | High | | Fire Tolerance [1] | High | | Frost Free Days [1] | 90 days | | Fruit/Seed Abundance [1] | Low | | Fruit/Seed Begin [1] | Summer | | Fruit/Seed End [1] | Fall | | Growth Form [1] | Bunch | | Growth Period [1] | Spring, Summer, Fall | | Growth Rate [1] | Slow | | Leaf Type [1] | Deciduous | | Lifespan [1] | Perennial | | Propagation [1] | Seed | | Regrowth Rate [1] | Slow | | Root Depth [1] | 12 inches (30 cm) | | Seed Spread Rate [1] | Moderate | | Seed Vigor [1] | High | | Seeds Per [1] | 225000 / lb (496040 / kg) | | Shape/Orientation [1] | Semi-Erect | | Structure [2] | Grass | | Vegetative Spread Rate [1] | None |  | | Flower Color [1] | Yellow | | Foliage Color [1] | Green | | Fruit Color [1] | Brown | | | Height [1] | 24 inches (0.6 m) | | | Hardiness Zone Minimum [1] | USDA Zone: 4 Low Temperature: -30 F° (-34.4 C°) → -20 F° (-28.9 C°) | | Light Preference [1] | Full Sun | | Soil Acidity [1] | Neutral | | Soil Fertility [1] | Infertile | | Water Use [1] | Low | | | Screening - Summer [1] | Moderate | | Screening - Winter [1] | Porous |
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Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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