Umpqua green gentian on the Calapooya Divide

ASE intern, Eddie, monitors a transect Frasera umpquaensis (Umpqua green gentian) is a tall, tap-rooted perennial plant that is endemic to Oregon and northern California.  Although there are populations of Umpqua green gentian in southern Oregon that appear to be healthy in size and distribution, there are five peripheral populations along the Calapooya Divide that […]

Horse Rock Ridge Restoration and Monitoring

Grass meadows and Douglas fir forests create a mosaic landscape at Horse Rock Ridge Horse Rock Ridge is a unique mosaic habitat located in the Coburg Hills that has received dual designation from the Bureau of Land Management as an Area of Critical Environmental Concern and a Research Natural Area.  Areas that receive such designations […]

Pink sand verbena monitoring on the Oregon Coast

Abronia umbellata ssp. breviflora Pink sand verbena (Abronia umbellata ssp. breviflora) is a short-lived perennial in the Nyctaginaceae family that is native to the Pacific Coast.  Individuals of this species only reproduce by seed and many individuals act as annuals, flowering and dying in their first year of growth.  Given their placement on dynamic dune […]

Kincaid’s lupine in Douglas County, Oregon

Lupine leaves and racemes Lupinus oreganus, commonly known as Kincaid’s lupine, is a perennial forb native to the Pacific Northwest ecoregion.   It is found in wet prairie habitats and open oak woodlands, both of which are habitat types that have experienced extreme degradation and fragmentation due to urban and agricultural development.  Although Kincaid’s lupine is […]

Point Reyes bird’s beak: Population monitoring and disturbance evaluation

Cordylanthus maritimus ssp. palustris (Point Reyes bird’s beak)  Point Reyes bird’s beak (Cordylanthus maritimus ssp. palustris) is a unique hemiparasitic halophite native to salt marshes on the coasts of Oregon and California.  It is only found in tidal salt marshes, leaving many of the populations exposed to the threats of filling, tidal manipulation, and water […]

Population monitoring of Cusick’s lupine in Baker County, Oregon

Cusick’s lupine inflorescence Lupinus lepidus var. cusickii (Cusick’s lupine) is a narrow endemic forb inhabiting eroding volcanic ash deposits in eastern Oregon’s Baker County.  Given its extremely limited geographic distribution, the Oregon Department of Agriculture has listed it as a state endangered species.  The BLM considers it to be a special status species, meaning that […]

Population dynamics of Mulford’s milkvetch

Population monitoring at the South Alkali population. Vale, Oregon Although Oregon is well known for its coniferous forests, low valley prairies, and coastline that receive high amounts of rainfall, nearly two thirds of the state exhibits semi-arid habitat conditions.  Oregon’s eastern desert region experiences greater seasonal fluctuation than the western portion of the state and […]

The Effects of Fire on Parish’s horse-nettle

Beginning in 2009, IAE, in cooperation with the Medford BLM, has been conducting a fire ecology experiment in Jackson County in order to create a better understanding of the effects that fire has on the growth and reproduction of Parish’s horse-nettle (Solanum parishii).  Prior to this study, very little experimental research had been conducted looking […]

In Search of clustered lady’s slipper (Cypripedium Fasciculatum)

Clustered lady’s slipper habitat Clustered lady’s slipper (Cypripedium fasciculatum) is a member of the orchid family that occurs throughout the western states and it is one of only three members of the Cypripedium genus endemic to western North America.  The Bureau of Land Management and the USDA Forest Service have listed the plant as a […]

Population Monitoring of Calochortus greenei

In 2000, President Clinton designated 53,000 acres of federal land in South Oregon as a national monument due to the high variety of species in a geographically small area.  The Cascade Siskiyou National Monumentis the first monument in the nation that has been set aside solely for the protection of biodiversity.  The monument’s extreme diversity […]

Fritillaria gentneri Population Monitoring in Josephine County

2012 IAE conservation crew interns Guy and Charlotte conducting a demographic survey of Fritillaria gentneri in Josephine county. In the third week of April, the conservation crew monitored a population of Gentner’s Fritillary, scientific name Fritillaria gentneri Gilkey, on Picket Creek in the Siskiyou Range to the southwest of Grant’s Pass, Oregon.  Our monitoring of […]

Habitat Sampling in the West Eugene Wetlands

Historically, Oregon’s southern Willamette Valley was dominated by wet prairie habitat and oak savannahs.  Beginning in the mid 1850s, much of the fertile land was converted to agricultural use and urban development, causing fragmentation and degradation of wet prairies.  Currently, intact wetland prairie habitat covers less than 1% of its historical range.  Wetlands provide vital […]