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A3901 Lilaeopsis occidentalis Freshwater Tidal Mudflat Alliance
Type Concept Sentence: This alliance of herbaceous ephemeral vegetation is dominated by Lilaeopsis occidentalis and several other forb species on freshwater mudflats of seasonal ponds and freshwater tidal zone of large tidal rivers. It ranges from California to British Columbia.
Common (Translated Scientific) Name: Western Grasswort Freshwater Tidal Mudflat Alliance
Colloquial Name: Western Grasswort Freshwater Tidal Mudflat
Hierarchy Level: Alliance
Type Concept: This is an herbaceous mudflat alliance dominated by Lilaeopsis occidentalis, which usually occurs with Crassula aquatica, Callitriche spp., Crassula aquatica, Elatine spp., Eleocharis acicularis, Eleocharis palustris, and/or Limosella aquatica. The vegetation consists of annual and perennial species that shift in time and space, a highly dynamic environment of a ephemerally flooded mudflats. Stands occur on mudflats of seasonal ponds and just above freshwater tidal zone of large tidal rivers from California to British Columbia.
Diagnostic Characteristics: Freshwater tidal mudflats dominated by Lilaeopsis occidentalis.
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: Herbaceous low-statured (<0.5 m in height) broad-leaved forbs.
Floristics: This is an herbaceous mudflat alliance dominated by Lilaeopsis occidentalis, which usually occurs with Crassula aquatica (= Tillaea aquatica), Callitriche spp., Crassula aquatica, Elatine spp., Eleocharis acicularis, Eleocharis palustris, and/or Limosella aquatica.
Dynamics: No Data Available
Environmental Description: Stands occur on mudflats of seasonal ponds and just above freshwater tidal zone of large tidal rivers. The vegetation consists of annual and perennial species that shift in time and space, a highly dynamic environment of a ephemerally flooded mudflats.
Geographic Range: This alliance ranges from California to British Columbia.
Nations: CA,US
States/Provinces: BC, CA, OR, WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.899952
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 2 Shrub & Herb Vegetation Class | C02 | 2 |
| Subclass | 2.C Shrub & Herb Wetland Subclass | S44 | 2.C |
| Formation | 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation | F013 | 2.C.4 |
| Division | 2.C.4.Nb Western North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division | D031 | 2.C.4.Nb |
| Macrogroup | 2.C.4.Nb.4 Vancouverian Lowland Marsh, Wet Meadow & Shrubland Macrogroup | M073 | 2.C.4.Nb.4 |
| Group | 2.C.4.Nb.4.a Blunt Spikerush - Teal Lovegrass - Marsh Seedbox Temperate Pacific Freshwater Wet Mudflat Group | G525 | 2.C.4.Nb.4.a |
| Alliance | A3901 Western Grasswort Freshwater Tidal Mudflat Alliance | A3901 | 2.C.4.Nb.4.a |
| Association | CEGL003329 Western Grasswort Mudflat | CEGL003329 | 2.C.4.Nb.4.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- Faber-Langendoen, D., J. Drake, M. Hall, G. Kittel, S. Menard, C. Nordman, M. Pyne, M. Reid, M. Russo, K. Schulz, L. Sneddon, K. Snow, and J. Teague. 2013-2019b. Screening alliances for induction into the U.S. National Vegetation Classification: Part 1 - Alliance concept review. NatureServe, Arlington, VA.