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Hagerman Fossil Beds National Monument
Plants
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![](https://webarchive.library.unt.edu/eot2008/20090508002716im_/http://www.nps.gov/pwr/templates/images/graphics/spacer.gif) |
![Sagebrush Sagebrush](https://webarchive.library.unt.edu/eot2008/20090508002716im_/http://www.nps.gov/hafo/naturescience/images/3p6ebxej.jpg) |
NPS Photo | Sagebrush on the Monument |
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The predominant naturally-occurring vegetation on the Monument is composed of the sagebrush steppe plant communities once common to much of the intermountain region of southern Idaho.
These shrub steppe communities include a dominant shrub, often sagebrush, interspersed with open, sparsely vegetated areas of grasses and forbs.
The steep slopes of the Monument’s bluffs west of the Snake River provide an environment that contributes to the diversity of plant species. In addition, a riparian zone and localized wetlands occur along the Reservoir.
Livestock grazing prior to establishment of the Monument in 1988 also undoubtedly contributed to alteration of soils, loss of native grasses, and establishment of non-native plant species.
Non-native plant species known to be present include Russian olive (Eleagnus angustifolia), Russian thistle (Salsola kali), quackgrass (Agropyron repens), cheat grass (Bromus tectorum), blue mustard (Chorispora tenella), tansymustard (Descurainia sophia), tumble-mustard (Sisymbrium altissimum), and medusa head (Taeniatherum caput-medusae).
These and other non-native species likely to be present, compete with the Monument's native plant communities, disrupting ecosystem processes.
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![Suckerfish fossil being prepped for removal to the lab. Suckerfish fossil being prepped for removal to the lab.](https://webarchive.library.unt.edu/eot2008/20090508002716im_/http://www.nps.gov/pwr/customcf/apps/CMS_HandF/Pictures/HAFO_r1spe82a.jpg) |
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Did You Know?
The Hagerman Fossil Beds paleontology crew has made some unusual finds. Early one summer the field crew found an articulated skeleton of a suckerfish (family Catostomidae) which was later jacketed and brought back to the lab for cleaning and study.
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Last Updated: February 09, 2007 at 10:50 EST |