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CEGL001845 Typha domingensis Western Marsh

Type Concept Sentence: This wetland association is widespread across the southwestern United States and Great Basin. The vegetation is characterized by a dense, tall herbaceous layer of Typha domingensis that dominates the site as a monoculture or codominates with Schoenoplectus acutus or species of Carex.


Common (Translated Scientific) Name: Southern Cattail Western Marsh

Colloquial Name: No Data Available

Hierarchy Level:  Association

Type Concept: This wetland association is widespread across the southwestern United States and Great Basin. The vegetation is characterized by a dense, 2- to 4-m tall herbaceous layer of Typha domingensis that dominates the site as a monoculture or codominates with Schoenoplectus acutus or species of Carex. Additional associated graminoid species include Carex nebrascensis, Eleocharis palustris, Eleocharis macrostachya, Juncus arcticus ssp. littoralis, Bolboschoenus maritimus, Schoenoplectus pungens, and under drier conditions Hordeum jubatum and Distichlis spicata may be present. During extended inundation, aquatic plant such as Stuckenia pectinata may flourish. Other forbs such as Euthamia occidentalis, Polygonum lapathifolium, Chenopodium spp., and Sagittaria spp. may also be present. These marshes occur in bottomlands along drainages, in river floodplain depressions, oxbow lakes, and below seeps. Substrates are variable but are generally fine-textured, alkaline, alluvial soil. Flood regimes range from seasonal inundation with the soils drying out and cracking in late summer to permanently flooded marshes.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: There are 6 Typha domingensis associations described from the southeastern U.S., and only one from the western U.S. It is likely that there are associations yet to be classified in the West. The concept of this association is broad and currently includes both Typha domingensis monoculture and mixed stands with seasonally or permanently flooded hydrological regimes. More classification work needs to be done to fully characterize this wetland in the West.

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The vegetation is characterized by a dense, 2- to 4-m tall herbaceous layer of Typha domingensis that dominates the site as a monoculture or codominates with Schoenoplectus acutus (= Scirpus acutus) or species of Carex. Associated graminoids include Carex nebrascensis, Eleocharis palustris, Eleocharis macrostachya, Juncus arcticus ssp. littoralis (= Juncus balticus), Bolboschoenus maritimus (= Scirpus maritimus), Schoenoplectus pungens, and under drier conditions Hordeum jubatum and Polypogon monspeliensis. During extended inundation aquatic plants like Stuckenia pectinata (= Potamogeton pectinatus) may flourish. Other forbs such as Euthamia occidentalis (= Solidago occidentalis), Polygonum lapathifolium (= Persicaria lapathifolia), Chenopodium spp., and Sagittaria spp. may be present. Introduced species such as Bassia scoparia (= Kochia scoparia), Lepidium latifolium, and Polypogon monspeliensis may be abundant on disturbed sites.

In Colorado, Typha domingensis dominated the sampled stands (60-75% cover), with Carex nebrascensis and Schoenoplectus acutus associated (5-20% cover). Other species present included Cicuta douglasii, Eleocharis palustris, Hordeum jubatum, and Triglochin maritima. The Typha domingensis-dominated community described in southern Arizona (Haase 1972) included other Typha spp., Schoenoplectus americanus (= Scirpus olneyi), and Phragmites australis (= Phragmites communis). In Glen Canyon National Recreational Area, Utah, additional herbaceous species include Echinochloa crus-galli, Juncus tenuis, Polygonum lapathifolium, Saccharum ravennae, Bromus tectorum, Phragmites australis, Juncus arcticus ssp. littoralis, Muhlenbergia asperifolia, Machaeranthera canescens, Equisetum sp., and Artemisia campestris.

Dynamics:  Baker (1982b) reports that this type is not apparently grazed by domestic animals. Drainage and diversion of water could limit the stability of this community.

Environmental Description:  This wetland association is widespread across the southwestern United States and Great Basin. This community occurs in areas of standing water or subirrigation. Running water is uncommon, except during periods of extensive irrigation runoff or because of high precipitation (Haase 1972). Elevations range from 300-1450 m. These marshes occur in bottomlands along drainages, in river floodplain depressions, oxbow lakes, and below seeps. Substrates are variable but are generally fine-textured, alkaline, alluvial soil. Flood regimes range from seasonal inundation with the soils drying out and cracking in late summer to permanently flooded marshes. Typha domingensis is more alkaline-tolerant than Typha latifolia.

Geographic Range: This wetland association is widespread across the southwestern United States and known from the Sonoran and Mojave deserts to the Great Basin, Colorado Plateau, Southern Rockies and Wyoming Basins.

Nations: US

States/Provinces:  AZ, CA, CO, NV, UT, WY?




Confidence Level: Low

Confidence Level Comments: No Data Available

Grank: G5?

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: > Typha domingensis - Scirpus acutus Association (Bundy et al. 1996)
= Typha domingensis Association (Sproul et al. 2011)
= Typha domingensis (Sawyer et al. 2009) [52.050.03]
= Typha domingensis Association (Buck-Diaz et al. 2012)
= Typha domingensis Association (Evens et al. 2014)
> Typha domingensis Association (Bundy et al. 1996)
= Typha domingensis Association (Rodriguez et al. 2017)
= Typha domingensis Riparian Wetland (Baker 1983b)
= Typha community (Haase 1972)

Concept Author(s): M.S. Reid

Author of Description: M.S. Reid, K.A. Schulz and G. Kittel

Acknowledgements: No Data Available

Version Date: 07-14-16

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