United States
Department of
Agriculture
Forest Service
Rocky Mountain
Research Station
Ft. Collins, CO
General Technical Report
RMRS-GTR-118-CD
February 2004
| Authors |
| Acknowledgments |
| Introduction |
| Species description format |
| Trees |
| Shrubs |
| Ferns & Friends |
| Forbs |
| Graminoids |
| Descriptive drawings |
| Collecting and pressing methods |
| Glossary |
| References |
Graminoid characteristics
| Species | Life cycle | Size | Growth form | Roots | Leaf | Flower | Comments | Sheath | Blade | Auricles | Ligule | Inflorescence | Awns |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Grasses | |||||||||||
| Spike inflorescence -- Sessile spikelets | |||||||||||
| Elymus glaucus | Perennial | Tall | Clumped | Fibrous | Open | Flat | Prominent | Short straight | Spike | Long straight | 2 spikelets per node |
| Elytrigia spicata | Perennial | Tall | Clumped / tufted | Fibrous / rhizomatous | Open | Flat | Prominent | Short straight | Spike | Long bent | previously Agsp |
| Panicle inflorescence -- Pedicelate spikelets | |||||||||||
| Bromus tectorum | Annual | Med | Tufted | Fibrous | Closed | Flat | Short ragged | Spreading | Long straight | ||
| Bromus vulgaris | Annual | Tall | Tufted | Fibrous | Closed | Flat | Long straight | Spreading | Long straight | basal leaves hairy | |
| Calamagrostis canadensis | Perennial | Tall | Tufted | Rhizomatous | Open | Flat | Long ragged | Spreading | Short straight | wet sites | |
| Calamagrostis rubescens | Perennial | Tall | Tufted | Rhizomatous | Open | Flat | Long ragged | Narrow | Short straight | leaves lax | |
| Cinna latifolia | Perennial | Tall | Tufted | Rhizomatous | Open | Flat | Long ragged | Spreading | Long bent | ||
| Dactylis glomerata | Perennial | Tall | Tufted | Fibrous | Closed | Flat | Long ragged | Narrow | Short straight | ||
| Festuca idahoensis | Perennial | Tall | Clumped | Fibrous | Open | Inrolled | Short straight | Spreading | Long straight | leaves tightly inrolled | |
| Festuca occidentalis | Perennial | Tall | Clumped | Fibrous | Open | Inrolled | Short straight | Spreading | Long straight | ||
| Koeleria nitida | Perennial | Med | Clumped | Fibrous | Open | Flat / inrolled | Short ragged | Narrow | |||
| Melica subulata | Perennial | Tall | Clumped | Rhizomatous | Closed | Flat | Long ragged | Narrow | bulbous base | ||
| Phleum pratense | Perennial | Tall | Tufted | Fibrous | Open | Flat | Small | Short straight | Narrow | Short straight | bulbous base |
| Poa pratensis | Perennial | Tall | Tufted | Rhizomatous | Closed | Flat | Short straight | Spreading | webby base on floret | ||
| Trisetum canescens | Perennial | Tall | Tufted | Fibrous | Open | Flat | Long ragged | Narrow | Long bent | ||
| Sedges | |||||||||||
| Carex concinnoides | Perennial | Med | Tufted | Rhizomatous | Closed | Flat | Spike | ||||
| Carex geyeri | Perennial | Med | Clumped / tufted | Rhizomatous | Closed | Flat | Spike | ||||
| Carex rossii | Perennial | Small | Clumped | Raceme | Closed | Flat | Spike | ||||
| Woodrushes | |||||||||||
| Luzula campestris | Perennial | Med | Clumped | Fibrous | Closed | Flat | Spike | blade bases hairy | |||
| Luzula hitchcockii | Perennial | Med | Tufted | Rhizomatous | Closed | Flat | Spreading | ||||
| Luzula parviflora | Perennial | Med | Clumped | Rhizomatous | Closed | Flat | Spreading | red mottled leaves | |||
| - = "to" / = "or" () = "can also be" | |||||||||||
| Size: Small: 0-30cm (0-12in) Medium: 3-6dm (12-24in) Tall: 6dm+ (24in+) | |||||||||||