scattered populations host:www.centerforplantconservation.org

Listing 1 - 10 from 15 for scattered populations

CPC Plant Profile - National Collection of Endangered Plants
... scattered populations (USFWS 1999). Number Left • Kaua`i- Kalalau, Upper Waioli Valley, Limahuli, Hanakapiai to Milolii, Kawaiula Valley, Hipalau Valley, Paaiki Valley, Mount Kahili and Hono O Na Pali, approximately 12 populations, several thousand. • O`ahu-Waianae Mountains, 7 to 8 populations, 25-50 individuals and Ko`olau Mountains, 4 populations, 75-100 ...
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CPC Plant Profile - National Collection of Endangered Plants
... Halawa, and is now extinct from Lanai and Maui. Today, its range has decreased to scattered populations on steep inaccessible sea cliffs along east Moloka’i, from Anapuhi Beach to Wailau Valley ... B. rockii. 3. Map genetic diversity in the surviving populations of B. rockii. 4. Test the influence of weeding and fencing on populations of B. rockii. Recommendations derived from M. Maunder and ...
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CPC Plant Profile - National Collection of Endangered Plants
... by the San Francisco Water Department. Historically, the species was scattered infrequently throughout this area, but most populations (three known) were destroyed by urban and associated highway development. Distribution ... duttonii emphasizes the urgent need for in situ preservation of self-sustaining natural populations of serpentinite species. (Pavlik and Espeland 1998). Seeds were put into long- ...
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CPC Plant Profile - National Collection of Endangered Plants
... scattered occurrences in TX, AR, MS, AL, TN, KY, SC, VA, MD, DC, NJ, PA, OH, IN, MI, WI and MN. Number Left About 40-50 known occurrences, most with small populations of only 25-250 individuals (Rawinski 1990). Largest populations are found in AR ... Summary Research Management Needs • Monitoring of populations. • Effects of burning and other methods of disturbance. ...
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CPC Plant Profile - National Collection of Endangered Plants
... on terraces just above stream beds. Plants growing in these natural settings tend to be scattered, while those growing at roadsides often occur in very dense stands. Elevation 4300-6700 ft ... and Lincoln counties. Number Left Probably 50-75 "populations," but many of these are roadside occurrences that occupy ditches. Actual number of populations in high quality natural habitat such as playas and ...
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CPC Plant Profile - National Collection of Endangered Plants
... near Antioch and in scattered locations south through the Diablo Range to northern San Joaquin County (Pavlik et al. 1993). Number Left There are two populations on Lawrence Livermore National ... Heisler, Karen. 1988. Habitat Characterization and Selection of Potential Sites for Establishment of New Populations of Amsinckia grandiflora. Oakland and Sacramento, CA: Produced at Mills College for the ...
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CPC Plant Profile - National Collection of Endangered Plants
... individuals of this species, with populations scattered in a fairly localized area in Utah and on the Utah-Arizona state line. (USFWS 1987) There are now three Utah populations: Coral Pink Sand ... : • Off-road vehicles • Drought Current Research Summary • Palmer and Armstrong (2000) have monitored two populations for 12 years. The species colonizes shifting dunes and tends to be outcompeted when ...
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CPC Plant Profile - National Collection of Endangered Plants
... the Texas region where this rare plant occurs is the oak hickory woodland comprised of scattered pine, sweetgum and hickory including, Quercus falcata, Q. marilandica, Q. stellata, Q. velutina, Q. ... (Nesom 1997; Poole et al. 2002). Number Left About 6 populations in Texas at a dozen sites, historically. NatureServe reports 8 populations (2001) and also lists an occurrence in Louisiana, and Nesom ...
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CPC Plant Profile - National Collection of Endangered Plants
... granite sandstone, but is now found often associated with carbonate soils derived from scattered limestone lenses, or on noncarbonates at down-wash sites (Skinner 1991; USFWS 1999). ... the seed bank than in living plant populations. Seed should be collected from newly-discovered populations and stored at established conservation seed programs. Existing populations should be monitored annually and ...
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CPC Plant Profile - National Collection of Endangered Plants
... 1989) The subalpine communities where this species is found includes cushion plants and other scattered, low-growing species. Associates include Phlox pulvinata, Cymopterus lemmonii, Senecio canus, Hymenoxys acaulis, ... cross-year collections are needed to assure good genetic representation from the 3 populations. References Top Books (Single Authors) Cronquist, A.; Holmgren, N.H.; Holmgren, P.K. ...
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