Scolochloa festucacea (Willd.) Link
rivergrass (common rivergrass)
Poaceae (Grass family)
Introduction to Vascular Plants
rivergrass (common rivergrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial grass from stout rhizomes; stems 100-150 cm tall.
Leaves:
Sheaths open, strongly keeled, usually smooth; blades flat, firm, elongate, 5-10 mm wide, narrowed gradually to slender tips; ligules 2-6 mm long, jagged.
Flowers:
Inflorescence an open panicle, 15-25 cm long, the branches mostly smooth below midlength, ascending; spikelets 3- to 4-flowered; lower glumes 4-6 mm long, the upper ones 5-7 mm long, awnless; lemmas about 6 mm long, 7-nerved; calluses bearded; anthers 3-4 mm long.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
USDA Species Characteristics
Ecology
Ecological Framework for Scolochloa festucacea
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
| Site Information |
Value / Class |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
1068 | 540 | 1690 |
| Slope
Gradient (%) |
4 | 0 | 32 |
|
Aspect (degrees) |
352 | 18 | 235 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 1 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
13 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(1), ESSF(1), ICH(1), IDF(8), MS(1), PP(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Ponds, marshes, lakeshores and streamsides in the steppe and montane zones; rare in EC, SC and SE BC; N to AK, YT and NT, E to SK and S to IA, KS, MT, ID and OR.Status Information
Synonyms
Synonyms and Alternate Names:
Arundo festucacea Willd.
Fluminea festucacea
Fluminia festucacea (Willd.) Hitchc.