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ESAblawg is an educational effort by Keith W. Rizzardi. Correspondence with this site does not create a lawyer-client relationship. Photos or links may be copyrighted (but used with permission, or as fair use). ESA blawg is published with a Creative Commons License.

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florida gators... never threatened!

If you ain't a Gator, you should be! Alligators (and endangered crocs) are important indicator species atop their food chains, with sensitivity to pollution and pesticides akin to humans. See ESA blawg. Gator blood could be our pharmaceutical future, too. See ESA musing.


Follow the truth.

"This institution will be based on the illimitable freedom of the human mind. For here we are not afraid to follow truth wherever it may lead, nor to tolerate any error so long as reason is left free to combat it." -- Thomas Jefferson to William Roscoe, December 27, 1820.


Thanks, Kevin.

KEVIN S. PETTITT helped found this blawg. A D.C.-based IT consultant specializing in Lotus Notes & Domino, he also maintains Lotus Guru blog.

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FWS designates critical habitat for Oregon wetland plant species.

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75 Fed. Reg. 42490 / Vol. 75, No. 139 / Wednesday, July 21, 2010 / Rules and Regulations
DEPARTMENT OF THE INTERIOR / Fish and Wildlife Service
50 CFR Part 17 / Docket No. FWS–R1–ES–2009–0046 MO 92210–0–0009 B4 / RIN 1018–AW21
Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Limnanthes floccosa ssp. grandiflora (Large-Flowered Woolly Meadowfoam) and Lomatium cookii (Cook’s Lomatium)

SUMMARY: We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for two plants, Limnanthes floccosa ssp. grandiflora (large-flowered woolly meadowfoam) and Lomatium cookii (Cook’s lomatium, Cook’s desert parsley) under the Endangered Species Act of 1973, as amended (Act). We are designating 2,363 hectares (ha) (5,840 acres (ac)) in Jackson County, Oregon, as critical habitat for Limnanthes floccosa ssp. grandiflora and 2,545 ha (6,289 ac) in Jackson and Josephine Counties, Oregon, as critical habitat for Lomatium cookii. Excluding overlapping critical habitat units for the two species, a total of approximately 4,018 ha (9,930 ac) located in Jackson and Josephine Counties, Oregon, fall within the boundaries of the critical habitat designation. DATES: This final rule becomes effective on August 20, 2010.

Limnanthes floccosa ssp. grandiflora, commonly known as large-flowered woolly meadowfoam, and Lomatium cookii, commonly known as Cook’s lomatium or Cook’s desert parsley, are endemic to seasonal wetland habitats of southwestern Oregon.  Land uses associated with the largest, more contiguous populations of Limnanthes floccosa ssp. grandiflora and Lomatium cookii are vernal pool habitats managed specifically for conservation or managed using compatible agricultural practices. Actions conducive to large population sizes of either of the two species may include prescribed burns, controlled grazing practices, or regular mowing. The Rogue Valley International–Medford Airport is an example of an area that is mowed regularly to meet Federal Aviation Authority (FAA) safety requirements and that supports a large and prolific Lomatium cookii population that extends over 2.3 ha (7 ac).  Photo by Ian Silvernail from

KEITHINKING: Consider this trivia nugget from  Did you know? The genus Lomatium has many culinary and medical uses. Some species have been utilized for upper respiratory infections, including influenza and tuberculosis. A few species in the genus demonstrate strong overall antibacterial and antiviral activity. Several species in the genus, commonly known as biscuitroot, have edible roots that formed an important part of the diet of many Native American tribes.