AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Spartina densiflora [WoRMS] | |
Authority | Brongn. | |
Family | Poaceae | |
Order | Poales | |
Class | Magnoliopsida | |
Phylum | Tracheophyta | |
Synonym (?) | ||
Sub-species level (?) | Not entered |
Native origin (?) | Not entered References (not structured): Bortolus, A. 2006. The austral cordgrass Spartina densiflora Brong.: its taxonomy, biogeography and natural history. Journal of Biogeography, 33(1), pp. 158-168. Comments: South America |
Life form / Life stage (?) |
References (not structured): Bortolus, A. 2006. The austral cordgrass Spartina densiflora Brong.: its taxonomy, biogeography and natural history. Journal of Biogeography, 33(1), pp. 158-168. |
Sociability / Life stage (?) |
References (not structured): Fortune, P. M., Schierenbeck, K., Ayres, D., Bortolus, A., Catrice, O., Brown, S., Aïnouche, M. L. 2008. The enigmatic invasive Spartina densiflora: a history of hybridizations in a polyploidy context. Molecular Ecology, 17(19), pp. 4304-4316. Comments: S. densiflora forms large, often dense colonies consisting of tight clumps of herbage that grow quickly. |
Reproductive frequency (?) | Not entered |
Reproductive type (?) | Asexual Sexual References: Kittelson, P. M., Boyd, M. J. 1997. Mechanisms of expansion for an introduced species of cordgrass, Spartina densiflora, in Humboldt Bay, California. Estuaries, 20, pp. 770-778. Comments: S. densiflora can reproduce both sexually and asexually, by vegetative tiller production and seed germination, but the asexual role is very small in comparison. The flowering period of S. densiflora in its native area is from November to May. In Spain, the flowering period is from June to December and in the USA, from April to July. |
Developmental trait (?) | Not entered |
Characteristic feeding method / Life stage (?) |
References (not structured): Fortune, P. M., Schierenbeck, K., Ayres, D., Bortolus, A., Catrice, O., Brown, S., Aïnouche, M. L. 2008. The enigmatic invasive Spartina densiflora: a history of hybridizations in a polyploidy context. Molecular Ecology, 17(19), pp. 4304-4316. |
Mobility / Life stage (?) |
References (not structured): Kittelson, P. M., Boyd, M. J. 1997. Mechanisms of expansion for an introduced species of cordgrass, Spartina densiflora, in Humboldt Bay, California. Estuaries, 20, pp. 770-778. |
Salinity tolerance range (?) | Unknown Comments: S. densiflora grows best in freshwater and brackish marshes but it tolerates strongly saline habitats as well. |
Habitat modifying ability potential (?) | Autogenic ecosystem engineers References: Bortolus, A. 2006. The austral cordgrass Spartina densiflora Brong.: its taxonomy, biogeography and natural history. Journal of Biogeography, 33(1), pp. 158-168. |
Toxicity / Life stage (?) | Not relevant |
Bioaccumulation association (?) | Anthropogenic chemical compounds References: Redondo-Gómez, S. 2013. Bioaccumulation of heavy metals in Spartina. Functional Plant Biology, 40(9), pp. 913-921. Comments: The species has high Arsenic (As) tolerance, associated with the capacity to accumulate Arsenic in its roots and largely avoid its transport to the leaves. |
Known human health impact? | Known Comments: Harmless. |
Known economic impact? | Known References: Manage, J. A. P. 2012. Mechanical and chemical control of the invasive cordgrass Spartina densiflora and native plant community responses in an estuarine salt marsh. J. Aquat. Plant Manage, 50, pp. 106-111. Comments: High costs in the application of control methodologies. |
Known measurable environmental impact? | Known References: Bortolus, A. 2006. The austral cordgrass Spartina densiflora Brong.: its taxonomy, biogeography and natural history. Journal of Biogeography, 33(1), pp. 158-168. Curado, G., Gallego-Tévar, B., Figueroa, E., Castillo, J. M. 2020. Effects of removal of alien Spartina densiflora and restoration of native S. maritima on succession and zonation in European salt marshes. Estuarine, Coastal and Shelf Science, 244, 105815. Comments: S. densiflora is one of several species which produces hybrids with Spartina alterniflora, which makes it a dangerous threat to native plant communities. |
Included in the Target Species list? | No References: HELCOM, 2009. Alien Species and Ballast Water [PDF] Available at: https://archive.iwlearn.net/helcom.fi/stc/files/shipping/Table_2_Alienspecies_%20lists_2009.pdf [Accessed 1 July 2024]. |
Association with vessel vectors (?) | Ballast waters Comments: S. densiflora was transported from Spain to Morocco in 1978. The introduction of the species could have been the result of a mislabelling of species for a botanical garden, or via solid ballast. S. densiflora is now established in Morocco and is reported as an invasive species. |
Molecular information | Available NCBI (https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?term=Sporobolus+densiflorus) |
Last update by | Sandra Gečaitė, 2024-08-21 |