View in other NatureServe Network Field Guides
NatureServe
Montana
Utah
Wyoming
Idaho
Wisconsin
British Columbia
South Carolina
Yukon
California
New York
Brook Grass - Catabrosa aquatica
Native Species
Global Rank:
G5
State Rank:
S4S5
C-value:
6
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Cool season, stoloniferous perennial. Stems creeping and rooting at basal nodes, 10–110 cm. Leaves: blades flat and lax, 5–14 mm wide, often wrinkled, ligule 1–8 mm long. Inflorescence an open panicle 7–28 cm long. Spikelets 2–3.5 mm long, with 2 to 3 well-spaced florets glumes weakly 1-veined. Lemmas blunt-tipped and prominently 3-veined, awnless; palea well developed. Disarticulation above glumes; unit of dispersal the floret (Lavin in
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Range Comments
Throughout much of North America but absent from the eastern half of the U.S. (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 37
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Wet meadows, edges of lakes, springs, and slow running streams from low to middle elevations (Lavin in
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Stewardship Responsibility
References
- Literature Cited AboveLegend:
View Online Publication- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
- Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
- Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
- Web Search Engines for Articles on "Brook Grass"
