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Gladys L. Smith; C.H. Smith 7950C 1983-06-24
United States, California, Mendocino, N end of Cahto Lake, Laytonville, 502m
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Gladys L. Smith; C.H. Smith 7954C 1983-06-24
United States, California, Mendocino, Cahto Lake at Laytonville, along Hwy. 101, 39.676386 -123.503094, 502m
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L.J. Heflin 22 1984-09-20
United States, California, Humboldt, Arcata Marsh and Wildlife Sanctuary, Hauser Marsh, 40.858302 -124.096658
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A.R. Marshall 167 1963-04-11
United States, California, Inyo, Salt Creek, Death Valley National Monument
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R.W. Spjut 227 1968-10-26
United States, California, Humboldt, E edges of the salt water at Big Lagoon near the launching ramp area, 41.1655228 -124.1257204
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D.E. Anderson 2108 1962-04-17
United States, California, Inyo, Death Valley National Monument, Bad Water, 36.233 -116.7714, -85m
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Leo Koch 1005 1940-06-05
United States, California, Marin, Along Hwy. 101, 2 mi. S of Sonoma County line, 38.164436 -122.57579
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Jerry Parker 212 1968-10-26
United States, California, Humboldt, Big Lagoon County Park, Big Lagoon, 41.1655228 -124.1257204
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James Henrickson 5023 1970-07-24
United States, California, Orange, 3 mi. NW of Huntington Beach, Inner Bolsa Bay, along margins of bay, 33.7167 -118.0255
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R. York 311 1979-05-23
United States, California, Humboldt, Old abandoned logging pond at the S end of H St. in Arcata, 40.859984 -124.090614
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M.A. Erickson 305 1979-05-23
United States, California, Humboldt, Arcata, creek adjacent to an abandoned logging pond at the S end of H St, Arcata, 40.861833 -124.089591
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David Wheeler 146 1979-05-31
United States, California, Humboldt, Arcata Bottoms, next to Mad River Slough, 40.865488 -124.134809
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Clare R. Wheeler 648 1978-08-20
United States, California, Mendocino, Above dam on Pudding Creek, Ft. Bragg., 39.455132 -123.803801, 12m
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Gordon Leppig 752 1998-06-25
United States, California, Humboldt, Hwy. 101 marker 81.60, brackish ditch on E side of Hwy., 40.807629 -124.114452, 2m