Title: Ecology and management of saltcedar (Tamarix ramosissima, T. chinensis and T. ramosissima x T. chinensis hybrids)
Author: Jacobs, Jim; Sing, Sharlene
Source: Invasive Species Technical Note No. MT-13. Bozeman, MT: U.S. Department of Agriculture, Natural Resources Conservation Service. 12 p.
Description: Saltcedar, also known by the common name tamarisk (Tamarix spp; Tamaricaceae taxonomic family), is a long-lived, invasive deciduous shrub or small tree intentionally introduced to North America from Eurasia for ornamental, wind break, and erosion mitigating purposes in the early 1800s. The spread of this species, both vegetatively from submerged stems and root sprouts, and sexually by seed, is optimized in riparian habitats. Saltcedar escaped controlled cultivation by the late 1800s with weedy populations reported in Montana since the 1960s. Until recent discoveries of saltcedar populations in North Dakota, Montana infestations represented the northern-most Great Plains distribution of this species in North America. Recent surveys indicate that in Montana, saltcedar has established on the Yellowstone River east of Big Timber; on the Bighorn River from Wyoming to the Yellowstone River; on the Powder River from Wyoming to the Yellowstone River; along the shoreline of Fort Peck reservoir (see Figure 1), and on the Musselshell River from Ryegate to Fort Peck Reservoir (Pearce and Smith 2003). It is also found outside riparian settings, including along irrigation ditches, stock ponds, reservoirs, and roadside borrow pits and establishes opportunistically on available moist, bare soil. Saltcedar has been planted as an ornamental throughout Montana, with known specimens or stands reported from Missoula, Kalispell, Polson, near Canyon Ferry Reservoir, Marias, Malta, and Glasgow. Unintentional introductions and existing, intentional horticultural plantings position this weed to potentially invade much of Montana's water resources.
Keywords: saltcedar, Tamarix ramosissima, Tamarix chinensis, Tamarix ramosissima
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Jacobs, Jim; Sing, Sharlene. 2007. Ecology and management of saltcedar (Tamarix ramosissima, T. chinensis and T. ramosissima x T. chinensis hybrids). Invasive Species Technical Note No. MT-13. Bozeman, MT: U.S. Department of Agriculture, Natural Resources Conservation Service. 12 p.
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