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Journal articles on the topic 'Coast redwood forest'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Berrill, John-Pascal, and Kevin L. O’Hara. "Estimating site productivity in irregular stand structures by indexing the basal area or volume increment of the dominant species." Canadian Journal of Forest Research 44, no. 1 (2014): 92–100. http://dx.doi.org/10.1139/cjfr-2013-0230.

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Estimating site productivity in irregular structures is complicated by variations in stand density, structure, composition in mixed stands, and suppression experienced by subordinate trees. Our objective was to develop an alternate to site index (SI) and demonstrate its application in models of individual-tree and stand growth. We analyzed coast redwood (Sequoia sempervirens (Lamb. ex D. Don) Endl.) tree and stand growth in a grid of 234 permanent sample plots covering a 110 ha study area in north coastal California. Partial harvesting created a mosaic of densities and openings throughout the

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2

Berrill, John-Pascal, Kevin L. O’Hara, and Nickolas E. Kichas. "Bark Thickness in Coast Redwood (Sequoia sempervirens (D.Don) Endl.) Varies According to Tree- and Crown Size, Stand Structure, Latitude and Genotype." Forests 11, no. 6 (2020): 637. http://dx.doi.org/10.3390/f11060637.

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Research Highlights: Bark thickness (BT) in coastal redwood (Sequoia sempervirens (D.Don) Endl.) varies in accordance with tree size, crown ratio, position within the canopy, height along the tree stem, genetic identity and latitude. However, current BT predictive equations do not account for such variability, leading to inaccurate BT estimations. We present improved BT models to increase the accuracy of BT estimates for coastal redwood in northern California. Background and Objectives: BT is an important metric that has many practical applications in forest management. However, BT varies subs

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3

Berrill, John-Pascal, and Robert Howe. "Multiaged redwood responds well to partial harvest and herbicide treatments." Canadian Journal of Forest Research 49, no. 11 (2019): 1425–33. http://dx.doi.org/10.1139/cjfr-2019-0142.

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Chemical control of unwanted trees can be a cost-efficient tool for forest management and restoration. In California, United States, the response of merchantable conifers to hardwood control is poorly understood. We studied the tree growth of coast redwood (Sequoia sempervirens (Lamb. ex D. Don) Endl.) following herbicide frill treatment of competing tanoak (Notholithocarpus densiflorus (Hook. & Arn.) Manos, C.H. Cannon, & S. Oh), coinciding with a partial harvest of conifers. The radial growth of 420 redwoods in 45 plots was measured using increment cores. With or without partial harv

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4

Burns, Emily E., Jarmila Pittermann, and Christopher Rico. "Evergreen and Deciduous Ferns of the Coast Redwood Forest." Madroño 63, no. 4 (2016): 329–39. http://dx.doi.org/10.3120/0024-9637-63.4.329.

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5

Jameson, Marc J., and Timothy A. Robards. "Coast Redwood Regeneration Survival and Growth in Mendocino County, California." Western Journal of Applied Forestry 22, no. 3 (2007): 171–75. http://dx.doi.org/10.1093/wjaf/22.3.171.

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Abstract Three stands of second-growth redwood forest were clearcut, and the logging slash in two of the units was broadcast burned following logging. Three types of redwood seedlings (plug, plug-one, and 2-year bareroot) were planted following logging and burning. Seedling survival rates were high, and there were no significant differences between survival and growth of stock types after 9 years. The native redwood sprouts were substantially larger than the planted seedlings, in both height and diameter, which could affect future growth of some seedlings. The status and dimensions of seedling

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6

Brand, L. Arriana, and T. Luke George. "Response of Passerine Birds to Forest Edge in Coast Redwood Forest Fragments." Auk 118, no. 3 (2001): 678–86. http://dx.doi.org/10.1093/auk/118.3.678.

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Abstract The response of passerine birds to forest edge was examined in old-growth and mature second-growth coast redwood (Sequoia sempivirens) forest in northern California. The study objectives were to determine which common passerine species are sensitive to edges during the breeding season and to estimate edge width for forest interior species. Response to edge was measured along twelve 100 × 400 m plots extending from the edge into the forest interior to obtain relative density of birds. Plots were surveyed 4 to 5 times in 1996 and 8 to10 times in 1997. We found that 14 common passerines

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7

Brand, L. Arriana, and T. Luke George. "Predation Risks for Nesting Birds in Fragmented Coast Redwood Forest." Journal of Wildlife Management 64, no. 1 (2000): 42. http://dx.doi.org/10.2307/3802973.

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8

O’Hara, Kevin L., and John-Pascal Berrill. "Epicormic sprout development in pruned coast redwood: pruning severity, genotype, and sprouting characteristics." Annals of Forest Science 66, no. 4 (2009): 409. http://dx.doi.org/10.1051/forest/2009015.

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9

Waring, Kristen M., and Kevin L. O'Hara. "Estimating relative error in growth ring analyses of second-growth coast redwood (Sequoia sempervirens)." Canadian Journal of Forest Research 36, no. 9 (2006): 2216–22. http://dx.doi.org/10.1139/x06-127.

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Coast redwood (Sequoia sempervirens (D. Don) Endl.) grows in the coastal zone of north-central California and southern Oregon in pure and mixed-species forests. Redwood has long been recognized to exhibit unusual patterns within the annual growth rings typical of temperate forest trees, including partial and missing rings and ring-width anomalies. However, these patterns have not been quantified beyond a few suppressed trees. This study quantified the variation in ring counts occurring in 22 second-growth redwood trees from different canopy classes. Ring counts from cross sections taken at sam

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10

Ramage, Benjamin S., Kevin L. O’Hara, and Alison B. Forrestel. "Forest transformation resulting from an exotic pathogen: regeneration and tanoak mortality in coast redwood stands affected by sudden oak death." Canadian Journal of Forest Research 41, no. 4 (2011): 763–72. http://dx.doi.org/10.1139/x11-020.

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Sudden oak death is dramatically altering forests throughout coastal California, but little is known about the communities that are assembling in affected areas. This emerging disease, caused by the exotic pathogen Phytophthora ramorum (S. Werres, A.W.A.M. de Cock), has had especially severe effects on tanoak ( Notholithocarpus densiflorus (Hook. & Arn.) Manos, Cannon & S.H. Oh), a broadleaf evergreen that is abundant in forests dominated by coast redwood ( Sequoia sempervirens (D.Don) Endl.). Tanoak, a valuable food source to numerous wildlife species, is unlikely to successfully rege

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11

Jones, D. A., and K. L. O'hara. "Carbon density in managed coast redwood stands: implications for forest carbon estimation." Forestry 85, no. 1 (2011): 99–110. http://dx.doi.org/10.1093/forestry/cpr063.

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12

O'Hara, Kevin L., Jonathan C. B. Nesmith, Lathrop Leonard, and Daniel J. Porter. "Restoration of Old Forest Features in Coast Redwood Forests Using Early-stage Variable-density Thinning." Restoration Ecology 18 (September 2010): 125–35. http://dx.doi.org/10.1111/j.1526-100x.2010.00655.x.

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13

Hoekstha, Jonathan M., Russell T. Bell, Alan E. Launer, and Dennis D. Murphy. "Soil Arthropod Abundance in Coast Redwood Forest: Effect of Selective Timber Harvest." Environmental Entomology 24, no. 2 (1995): 246–52. http://dx.doi.org/10.1093/ee/24.2.246.

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14

Woodward, Brian David, William H. Romme, and Paul H. Evangelista. "Early postfire response of a northern range margin coast redwood forest community." Forest Ecology and Management 462 (April 2020): 117966. http://dx.doi.org/10.1016/j.foreco.2020.117966.

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15

Berrill, John-Pascal, and Kevin L. O’Hara. "Patterns of leaf area and growing space efficiency in young even-aged and multiaged coast redwood stands." Canadian Journal of Forest Research 37, no. 3 (2007): 617–26. http://dx.doi.org/10.1139/x06-271.

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Projected leaf area estimates were used to predict volume increment and basal area of second-growth coast redwood ( Sequoia sempervirens (D. Don) Endl.) trees on Jackson Demonstration State Forest, Mendocino County, California. Sample plots were established within even-aged and multiaged mixed-species stands. Redwood tree basal area growth was more strongly related to sapwood area than to tree size and differed significantly between canopy strata and overstory stratum crown classes. Projected leaf area was predicted from sapwood area for each tree, and summarized to the stand level, giving a m

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16

Finney, Mark A., and Robert E. Martin. "Fire history in a Sequoiasempervirens forest at Salt Point State Park, California." Canadian Journal of Forest Research 19, no. 11 (1989): 1451–57. http://dx.doi.org/10.1139/x89-221.

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Fire occurrence data between the 12th and 20th centuries were obtained from analysis of fire scars on coast redwood (Sequoiasempervirens (D. Don.) Endl.) and bishop pine (Pinusmuricata D. Don.). Mean fire intervals were calculated for settlement and presettlement periods from fire scar samples individually (point data) and from composites of samples aggregated within three approximately 200-ha study areas. Mean fire intervals from point data (20.5 to 29.0 years) were more than three times greater than mean intervals from composite data (6.1 to 9.3 years). Mean fire intervals derived from point

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17

Mahdizadeh, Mojgan, and Will Russell. "Initial Floristic Response to High Severity Wildfire in an Old-Growth Coast Redwood (Sequoia sempervirens (D. Don) Endl.) Forest." Forests 12, no. 8 (2021): 1135. http://dx.doi.org/10.3390/f12081135.

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Climate driven increases in fire frequency and severity are predicted for Mediterranean climatic zones, including the Pacific coast of California. A recent high severity wildfire that burned in the Santa Cruz Mountains affected a variety of vegetation types, including ancient coast redwood (Sequoia sempervirens (D. Don) Endl.) stands. The purpose of this study was to characterize the survival and initial recovery of vegetation approximately six months after the fire. We sampled thirty randomly selected points in an old-growth coast redwood forest to examine and compare survival, crown retentio

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18

T. Busing, Richard, and Takao Fujimori. "Biomass, production and woody detritus in an old coast redwood (Sequoia sempervirens) forest." Plant Ecology 177, no. 2 (2005): 177–88. http://dx.doi.org/10.1007/s11258-005-2322-8.

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19

Magstadt, Shayne, David Gwenzi, and Buddhika Madurapperuma. "Can a Remote Sensing Approach with Hyperspectral Data Provide Early Detection and Mapping of Spatial Patterns of Black Bear Bark Stripping in Coast Redwoods?" Forests 12, no. 3 (2021): 378. http://dx.doi.org/10.3390/f12030378.

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The prevalence of black bear (Ursus americanus) bark stripping in commercial redwood (Sequoia sempervirens (D. Don) Endl.) timber stands has been increasing in recent years. This stripping is a threat to commercial timber production because of the deleterious effects on redwood tree fitness. This study sought to unveil a remote sensing method to detect these damaged trees early and map their spatial patterns. By developing a timely monitoring method, forest timber companies can manipulate their timber harvesting routines to adapt to the consequences of the problem. We explored the utility of h

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20

Speece, Darren F. "Seeds of Rebellion." California History 94, no. 2 (2017): 4–21. http://dx.doi.org/10.1525/ch.2017.94.2.4.

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The Redwood Wars were largely defined by dramatic confrontations between activists and timber companies in the woods, in the courts, and in the legislature. The iconic images of those late twentieth-century conflicts include Julia “Butterfly” Hill standing atop the giant redwood she named Luna, and other tree sitters hanging large banners from their perches across the North Coast. Some Americans might conjure images of Charles Hurwitz and junk bond dealer Michael Milken, or of the bombed-out car of Judi Bari. Headwaters Forest in Humboldt County became the center of the Redwood Wars. By the en

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21

Lazzeri-Aerts, Rachel, and Will Russell. "Survival and Recovery Following Wildfire in the Southern Range of the Coast Redwood Forest." Fire Ecology 10, no. 1 (2014): 43–55. http://dx.doi.org/10.4996/fireecology.1001043.

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22

Wensel, Lee C., and Bruce Krumland. "A site index system for redwood and Douglas-fir in California's North Coast Forest." Hilgardia 54, no. 8 (1986): 1–14. http://dx.doi.org/10.3733/hilg.v54n08p017.

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23

Russell, Will, Zuhayl Lambert, and Suzie Woolhouse. "OLD-GROWTH CHARACTERISTICS ON A COAST REDWOOD (SEQUOIA SEMPERVIRENS (D. DON) ENDL.) PYGMY FOREST ECOTONE." Madroño 66, no. 1 (2019): 14. http://dx.doi.org/10.3120/0024-9637-66.1.14.

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24

Plummer, Jesse F., Christopher R. Keyes, and J. Morgan Varner. "Early-Stage Thinning for the Restoration of Young Redwood—Douglas-Fir Forests in Northern Coastal California, USA." ISRN Ecology 2012 (March 6, 2012): 1–9. http://dx.doi.org/10.5402/2012/725827.

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Among forested parks and reserves of the Pacific Coast of the United States, the restoration of late-successional conditions to second-growth stands is a management priority. Some traditional silvicultural treatments may help achieve this objective. We evaluated early-stage thinning as a restoration treatment to facilitate the growth and development of young (33- to 45-year old), homogeneous, and second-growth stands of coast redwood (Sequoia sempervirens) and Douglas-fir (Pseudotsuga menziesii). Targeting both stand-level responses and dominant (focal) tree responses for analysis, we compared

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25

Hanover, Alyssa, and Will Russell. "Understory Recovery in Coast Redwood Communities: A Case Study Comparing a Naturally Recovering and an Actively Managed Forest." Open Journal of Forestry 08, no. 04 (2018): 489–99. http://dx.doi.org/10.4236/ojf.2018.84031.

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26

Jones, Gregory A., and Will Russell. "Approximation of Fire-Return Intervals with Point Samples in the Southern Range of the Coast Redwood Forest, California, USA." Fire Ecology 11, no. 3 (2015): 80–94. http://dx.doi.org/10.4996/fireecology.1103080.

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27

Palmer, Kyle D., Mark A. Severy, Charles E. Chamberlin, Anthony J. Eggink, and Arne E. Jacobson. "Performance Analysis of a Biomass Gasifier Genset at Varying Operating Conditions." Applied Engineering in Agriculture 34, no. 1 (2018): 135–43. http://dx.doi.org/10.13031/aea.12414.

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Abstract. An All Power Labs PP20 gasifier generation set (Berkeley, Calif.) was tested to evaluate its suitability for powering biomass conversion technologies (BCT) at remote forest operations sites. Feedstock of the species tanoak (), coast redwood (), and Douglas fir () were tested at moisture contents of 15% and 25% (wet basis). The PP20 was connected to a load bank with five different load profiles designed to simulate possible BCT loads. Two parameters of power quality, voltage variability, and frequency deviation, were determined to be within acceptable limits. The unit also successfull

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28

Westman, Walter E. "Aboveground biomass, surface area, and production relations of red fir (Abiesmagnified) and white fir (A. concolor)." Canadian Journal of Forest Research 17, no. 4 (1987): 311–19. http://dx.doi.org/10.1139/x87-052.

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Aboveground live biomass, surface area, and net production have been estimated in two 0.36-ha stands each of white fir (Abiesconcolor), red fir (Abiesmagnifica), and mixed red and white fir in Sequoia National Park in the southern Sierra Nevada of California. Estimates are based on regressions developed from dimension analysis of 12 individuals of each fir species harvested in the adjacent Sequoia National Forest. The white fir forests are the largest and most productive of the several fir forests measured. The net production values of 1630–2200 g•m−2•year−1 are 1.3–2.7 times higher than for r

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29

Anekonda, Thimmappa S., Richard S. Criddle, and W. J. Libby. "Calorimetric evidence for site-adapted biosynthetic metabolism in coast redwood (Sequoiasempervirens)." Canadian Journal of Forest Research 24, no. 2 (1994): 380–89. http://dx.doi.org/10.1139/x94-051.

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Uses of recently available calorimetry technology are explored for measurement of metabolic activity–temperature relations in coast redwoods (Sequoiasempervirens (D. Don) Endl.). These redwoods were collected from different parts of the native range and grown in a common-garden plantation. Analysis of metabolic activity from 10 to 55 °C was used to examine site adaptedness of respiratory metabolism in 16 representative clones of coast redwood. Apparent activation energies changed markedly over the range 12–52 °C, but the patterns of change were similar for clones from five geographical regions

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30

Finney, Mark A., and Robert E. Martin. "Modeling effects of prescribed fire on young-growth coast redwood trees." Canadian Journal of Forest Research 23, no. 6 (1993): 1125–35. http://dx.doi.org/10.1139/x93-143.

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The study was designed to produce data for modeling effects of prescribed fire treatments on top killing and basal sprouting of coast redwood trees (Sequoiasempervirens (D. Don) Endl.) at the plot and individual-tree level. Prescribed fire treatments included two levels of fireline intensity and surface fuel consumption crossed in randomized blocks. Burning was conducted on 32 plots each containing approximately 150 to 250 redwoods. Binary responses of individual trees were modeled using logistic regression analysis. Percent response of trees on each plot by 5-cm diameter classes was modeled u

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31

Maloney, P. E., D. M. Rizzo, S. T. Koike, T. Y. Harnik, and M. Garbelotto. "First Report of Phytophthora ramorum on Coast Redwood in California." Plant Disease 86, no. 11 (2002): 1274. http://dx.doi.org/10.1094/pdis.2002.86.11.1274a.

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Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from discolored leaves and cankers on small branches (<0.5 cm in diameter) on 27 coast redwood (Sequoia sempervirens) saplings (2 to17 cm in diameter) at two locations in California (Jack London State Park, Sonoma County and Henry Cowell State Park, Santa Cruz County). Symptoms were observed on branches throughout the crowns of affected trees. Isolates were identified as P. ramorum by their abundant chlamydospores and caducous, semi-papillate sporangia (2) and internal transcribed spacer (ITS) rDNA sequences identical to tho

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32

Cao, Lin, Hao Liu, Xiaoyao Fu, Zhengnan Zhang, Xin Shen, and Honghua Ruan. "Comparison of UAV LiDAR and Digital Aerial Photogrammetry Point Clouds for Estimating Forest Structural Attributes in Subtropical Planted Forests." Forests 10, no. 2 (2019): 145. http://dx.doi.org/10.3390/f10020145.

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Estimating forest structural attributes of planted forests plays a key role in managing forest resources, monitoring carbon stocks, and mitigating climate change. High-resolution and low-cost remote-sensing data are increasingly available to measure three-dimensional (3D) canopy structure and model forest structural attributes. In this study, we compared two suites of point cloud metrics and the accuracies of predictive models of forest structural attributes using unmanned aerial vehicle (UAV) light detection and ranging (LiDAR) and digital aerial photogrammetry (DAP) data, in a subtropical co

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33

Campbell, J. E., M. E. Whelan, J. A. Berry, et al. "Plant Uptake of Atmospheric Carbonyl Sulfide in Coast Redwood Forests." Journal of Geophysical Research: Biogeosciences 122, no. 12 (2017): 3391–404. http://dx.doi.org/10.1002/2016jg003703.

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34

Brown, Peter M., and Thomas W. Swetnam. "A cross-dated fire history from coast redwood near Redwood National Park, California." Canadian Journal of Forest Research 24, no. 1 (1994): 21–31. http://dx.doi.org/10.1139/x94-004.

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Cross sections from coast redwood trees (Sequoiasempervirens (D.Don.)Endl.) in and near Redwood National Park were dendrochronologically cross-dated and used to develop a fire history from 1714 to 1985. A master chronology for the study area was first developed from old-growth trees and provided dating control for fire-scarred samples. Redwood offers a challenge for dendrochronology owing to partially absent rings (ring wedging) and uniform ring widths (complacency). Cross dating was successful in portions of 12 of 24 fire-scarred trees. Fire events were dated by noting the position of fire sc

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35

Hüberli, D., W. Van Sant-Glass, J. G. Tse, and M. Garbelotto. "First Report of Foliar Infection of Starflower by Phytophthora ramorum." Plant Disease 87, no. 5 (2003): 599. http://dx.doi.org/10.1094/pdis.2003.87.5.599b.

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In March 2002, Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from pacific or western starflower (Trientalis latifolia Hook.), an herbaceous perennial of the Primulaceae family, at Castro Canyon in Big Sur, Monterey County, California. Affected leaves had numerous necrotic lesions >5 mm in diameter surrounded by a yellow halo, and the lesions coalesced with time. Isolates were identified as P. ramorum by the large chlamydospores, caduceus, semipapillate sporangia, and sequences of the internal transcribed spacer (ITS) region of the rDNA (1,2). The same symptoms were obse

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36

Berrill, John-Pascal, and Kevin L. O'Hara. "Simulating Multiaged Coast Redwood Stand Development: Interactions between Regeneration, Structure, and Productivity." Western Journal of Applied Forestry 24, no. 1 (2009): 24–32. http://dx.doi.org/10.1093/wjaf/24.1.24.

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Abstract Multiaged management regimes and harvesting scenarios were simulated in coast redwood (Sequoia sempervirens [D. Don.] Endl.) stands using models of stand growth and yield (CRYPTOS) and stocking assessment (redwood MASAM). Various stocking and age-class combinations were modeled on site index 100 and 130 ft (50 years). Results demonstrated how the number of cohorts, upper limit of stocking, and cohort densities affected growth and yield. Board foot volume increment reached a plateau in stands with a prescribed upper limit of stocking above leaf area index 7.2 to 8.6. Productivity did n

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37

Stancioiu, Petru Tudor, and Kevin L. O'Hara. "Sapwood area leaf area relationships for coast redwood." Canadian Journal of Forest Research 35, no. 5 (2005): 1250–55. http://dx.doi.org/10.1139/x05-039.

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Coast redwood (Sequoia sempervirens (D. Don) Endl.) trees in different canopy strata and crown positions were sampled to develop relationships between sapwood cross-sectional area and projected leaf area. Sampling occurred during the summers of 2000 and 2001 and covered tree heights ranging from 7.7 to 45.2 m and diameters at breast height ranging from 9.4 to 92.7 cm. Foliage morphology varied greatly and was stratified into five types based on needle type (sun or shade) and twig color. A strong linear relationship existed between projected leaf area and sapwood area at breast height or sapwoo

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38

O’Hara, KL, L. Narayan, and LP Leonard. "Interactions between thinning and bear damage complicate restoration in coast redwood forests." iForest - Biogeosciences and Forestry 13, no. 1 (2020): 1–8. http://dx.doi.org/10.3832/ifor3135-012.

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39

Carroll, Allyson L., Stephen C. Sillett, and Robert Van Pelt. "Tree-Ring Indicators of Fire in Two Old-Growth Coast Redwood Forests." Fire Ecology 14, no. 1 (2018): 85–105. http://dx.doi.org/10.4996/fireecology.140185105.

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40

Ramage, B. S., K. L. O'Hara, and B. T. Caldwell. "The role of fire in the competitive dynamics of coast redwood forests." Ecosphere 1, no. 6 (2010): art20. http://dx.doi.org/10.1890/es10-00134.1.

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41

Dangerfield, Cody R., Steve L. Voelker, and Christopher A. Lee. "Long-term impacts of road disturbance on old-growth coast redwood forests." Forest Ecology and Management 499 (November 2021): 119595. http://dx.doi.org/10.1016/j.foreco.2021.119595.

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42

Libby, W. J. "Genetic conservation of radiata pine and coast redwood." Forest Ecology and Management 35, no. 1-2 (1990): 109–20. http://dx.doi.org/10.1016/0378-1127(90)90235-4.

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43

O'Hara, Kevin L., and John-Pascal Berrill. "Dynamics of coast redwood sprout clump development in variable light environments." Journal of Forest Research 15, no. 2 (2010): 131–39. http://dx.doi.org/10.1007/s10310-009-0166-0.

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44

Potter, Christopher. "Net primary production and carbon cycling in coast redwood forests of central California." Open Journal of Ecology 02, no. 03 (2012): 147–53. http://dx.doi.org/10.4236/oje.2012.23018.

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45

Berrill, John-Pascal, and Kevin L. O'Hara. "How do biophysical factors contribute to height and basal area development in a mixed multiaged coast redwood stand?" Forestry 89, no. 2 (2015): 170–81. http://dx.doi.org/10.1093/forestry/cpv049.

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46

Gspaltl, M., H. Sterba, and K. L. O'hara. "The relationship between available area efficiency and area exploitation index in an even-aged coast redwood (Sequoia sempervirens) stand." Forestry 85, no. 5 (2012): 567–77. http://dx.doi.org/10.1093/forestry/cps052.

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47

Hazard, Gjon C., and T. Luke George. "Landbird Abundance and Diversity in Different-Aged Stands of Coast Redwood Forests in Northwestern California." Northwestern Naturalist 80, no. 3 (1999): 99. http://dx.doi.org/10.2307/3536656.

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48

Hüberli, D., K. L. Ivors, A. Smith, J. G. Tse, and M. Garbelotto. "First Report of Foliar Infection of Maianthemum racemosum by Phytophthora ramorum." Plant Disease 89, no. 2 (2005): 204. http://dx.doi.org/10.1094/pd-89-0204c.

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In May 2003, Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from the leaf tips of a single plant of false Solomon's seal (Maianthemum racemosum (L.) Link, formely known as Smilacina racemosa (L.) Desf.), a native, herbaceous perennial of the Liliaceae family, at the Jack London State Park in Sonoma County, California. Affected leaves had cream-to-brown lesions on the tips that were delimited by a yellow chlorotic zone. Lesions on the stems were not observed. The isolate (American Type Culture Collection [ATCC], Manassas, VA, MYA-3280; Centraal Bureau voor Schimmelcultures,

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Blomquist, C. L., L. E. Yakabe, M. C. Soriano, and M. A. Negrete. "First Report of Leaf Spot Caused by Phytophthora taxon Pgchlamydo on Evergreen Nursery Stock in California." Plant Disease 96, no. 11 (2012): 1691. http://dx.doi.org/10.1094/pdis-02-12-0221-pdn.

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As part of the Phytophthora ramorum testing program from 2005 through 2007, a Phytophthora sp. was isolated on PARP-CMA medium (4) at the CDFA lab in Sacramento, CA, from the margin of necrotic spots and tissue suffering from dieback on Arctostaphylos sp. (manzanita), Camellia spp., Laurus nobilis (bay), Buxus sempervirens (boxwood), Rhododendron sp., Arbutus unedo (strawberry tree), and Sequoia sempervirens (coast redwood). Isolates were collected from Shasta, Contra Costa, San Diego, Solano, Santa Cruz, Alameda, Sacramento, San Joaquin, Monterey, and Los Angeles Counties. Isolates from A. un

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Russell, Will, Jeff Sinclair, and Kristin Hageseth Michels. "Restoration of Coast Redwood (<i>Sequoia sempervirens</i>) Forests through Natural Recovery." Open Journal of Forestry 04, no. 02 (2014): 106–11. http://dx.doi.org/10.4236/ojf.2014.42016.

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