Schoenoplectiella saximontana (Fernald) LyeRocky Mountain bulrush |
![]() Steve Matson |
Scientific Name: |
Schoenoplectiella saximontana (Fernald) Lye |
Common Name: |
Rocky Mountain bulrush |
Family: | Cyperaceae |
Element Code: | PMCYP0Q1D0 |
USDA Plants Symbol: | SCSA11 |
Synonyms/Other Names: |
|
Lifeform: | annual rhizomatous herb |
Blooming Period: (Mar-May)Jun-Sep(Oct) | (Mar-May)Jun-Sep(Oct) |
Elevation: | 45-720 (150-2360) |
General Habitats: | Marshes and swamps, Vernal pools |
Microhabitat: | Sandy (often) |
Microhabitat Details: | Freshwater edges, ponds, and ditch margins. |
CA Rare Plant Rank: | 2B.1 |
Global Rank: | G5 |
State Rank: |
S2 |
State List: | None |
Fed List: | None |
Other Status: | |
CRPR Changes: |
|
Total Occurrences: | 0 |
Element Occurrence Ranks: | |
Excellent (A) | 0 |
Good (B) | 0 |
Fair (C) | 0 |
Poor (D) | 0 |
None (X) | 0 |
Unknown (U) | 0 |
California Endemic: False | |
California Counties and Islands: Name (Code) | |
Quads: Name (Quad Code) | |
Threat List Total: | 0 | |
EOs with Threat Listed: | Total EOs | % of EOs |
0 | 0 % | |
Threats: |
Threatened by development, hydrological alterations, inundation, disking, equestrians, vehicles, and non-native plants. |
Taxonomy: |
Differs from Schoenoplectus s.l. taxa in California by its tufted habit with obscured rhizomes (vs. mat-forming with long rhizomes), height of less than 60 cm, cylindric stems (vs. 3-sided at least near inflorescences) less than or equal to 1.5 mm (vs. 2–10 mm) in diameter, unnotched flower bract tips, 1–20 spreading spikelets (vs. 1 erect spikelet), and fruits with sharp and wavy transverse ridges (vs. smooth fruits). |
Proposed addition to CRPR 2B.1, G4G5 / S2 (2024) |
Rhodora 3(34): 251 (1901) |
Lidia 6(1): 27 (2003) |