Section 6 Plant Reports Documents

Distribution of Phytophthora cinnamomi within the range of Ione manzanita (Arctostaphylos myrtifolia)

Mon, 21 Apr 2025 15:47:01 -0700

Arctostaphylos myrtifolia; Ione manzanita; Phytophthora cinnamomi -

Draft management plan for Loch Lomond Vernal Pool Ecological Reserve. (Eryngium constancei)

Mon, 07 Oct 2024 13:33:22 -0700

Eryngium constancei; Loch Lomond button-celery -

Management of Arctostaphylos myrtifolia at the Apricum Hill Ecological Reserve

Tue, 21 Nov 2023 11:59:07 -0800

Eriogonum apricum var. apricum; Ione buckwheat -

Nutlet production and germination of Amsinckia grandiflora I: Measurements from cultivated populations

Tue, 21 Nov 2023 11:58:29 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Rare and endemic plants of Lake County serpentine soil habitats

Tue, 21 Nov 2023 11:58:01 -0800

Hesperolinon didymocarpum; Lake County western flax -

A management plan for the Springtown alkali sink wetlands and the endangered plant Cordylanthus palmatus

Tue, 21 Nov 2023 11:57:18 -0800

Cordylanthus palmatus; palmate-bracted bird's-beak -

Operations and maintenance schedule, Baldwin Lake Ecological Reserve (and adjacent lands)

Tue, 21 Nov 2023 11:56:49 -0800

Castilleja cinerea, ash-gray Indian paintbrush; Sidalcea pedata, bird-foot checkerbloom -

San Diego vernal pool enhancement: Phase II

Tue, 21 Nov 2023 11:56:14 -0800

Pogogyne abramsii; San Diego mesa mint -

Striped adobe lily (Fritillaria striata Eastw.) species management plan

Tue, 21 Nov 2023 11:55:11 -0800

Fritillaria striata; striped adobe-lily -

Tulare pseudobahia (Pseudobahia peirsonii Munz) species management plan

Tue, 21 Nov 2023 11:54:47 -0800

Pseudobahia peirsonii; San Joaquin adobe sunburst -

Reintroduction of Amsinckia grandiflora to Stewartville

Tue, 21 Nov 2023 11:54:20 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Characterization of the habitat for Lilaeopsis masonii (Apiaceae), a California state-listed rare plant species: Final report

Tue, 21 Nov 2023 11:53:54 -0800

Lilaeopsis masonii; Mason's lilaeopsis -

Creating new populations of Acanthomintha duttonii I: Preliminary laboratory and field studies

Tue, 21 Nov 2023 11:53:18 -0800

Acanthomintha duttonii; San Mateo thorn-mint -

Guadalupe Dunes (Santa Barbara County) fence installation: Progress report

Tue, 21 Nov 2023 11:52:45 -0800

Cirsium rhothophilum; surf thistle -

Management of reintroduced and natural populations of Amsinckia grandiflora

Tue, 21 Nov 2023 11:52:04 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Mitigation-related transplantation, relocation and reintroduction projects involving endangered, threatened, and rare plant species in California

Tue, 21 Nov 2023 11:51:20 -0800

Pseudobahia peirsonii; San Joaquin adobe sunburst -

Rare plant habitat protection at the Santa Rosa Plateau (Riverside County)

Tue, 21 Nov 2023 11:50:42 -0800

Brodiaea filifolia; thread-leaved brodiaea -

Rare plant habitat restoration at Humboldt Bay North Spit: Final report

Tue, 21 Nov 2023 11:49:31 -0800

Erysimum menziesii ssp. eurekense; Humboldt Bay wallflower -

Reintroduction of Amsinckia grandiflora to three sites across its historic range

Tue, 21 Nov 2023 11:48:53 -0800

Amsinckia grandiflora; large-flowered amsinckia -

The biology of three species of Brodiaea (Amaryllidaceae) on the Santa Rosa Plateau (Riverside County): Preliminary report

Tue, 21 Nov 2023 11:48:12 -0800

Brodiaea filifolia; thread-leaved brodiaea -

Catalina ironwood protection on Santa Catalina Island: Monitoring reports

Tue, 21 Nov 2023 11:44:27 -0800

Lyonothamnus floribundus ssp. floribundus; Santa Catalina Island Ironwood -

Element stewardship abstract for Lippia nodiflora (mat grass or garden lippia)

Tue, 21 Nov 2023 11:43:00 -0800

Tuctoria mucronata; Crampton's tuctoria -

Baldwin Lake Ecological Reserve, biological monitoring report, 1990

Tue, 21 Nov 2023 11:42:29 -0800

Sidalcea pedata; bird-foot checkerbloom -

Alameda manzanita (Arctostaphylos pallida) management plan

Tue, 21 Nov 2023 11:41:30 -0800

Arctostaphylos pallida; pallid manzanita -

Drought Relief Program for Threatened and Endangered Plants

Mon, 17 Apr 2023 02:25:07 -0700

Drought Relief Program for Threatened and Endangered Plants - In 1991, during the fifth consecutive year of drought in California, the State Legislature passed Assembly Bill 12x (Costa), which provided over 15 million dollars to be used, by the Department of Fish and Game, to "...minimize the effects of the 5-year drought on ecological systems and to maintain and protect threatened and endangered species." Of that amount, $597,966 was encumbered in a contract with The Nature Conservancy to provide emergency drought relief for rare, threatened and endangered plants and their habitats. The Nature Conservancy hired a Recovery Planner and support staff to administer the contract and to carry out the tasks associated with this portion of the Drought Relief Program. These staff worked closely with the Department’s Endangered Plant Program to identify those projects and methods which would make the most effective use of the Drought Relief funds.

Ecological and life history characteristics of Ventura Marsh Milkvetch (Astragalus pycnostachyus var. lanosissimus) and their implications for recovery

Sun, 16 Apr 2023 17:42:22 -0700

Astragalus pycnostachyus var. lanosissimus ecological and life history characteristics - This study of Ventura Marsh milk-vetch was designed to: (1) conduct further studies on critical life history stages; (2) characterize certain environmental variables of sites occupied by both var. pycnostachyus and var. lanosissimus; (3) survey appropriate habitats at potential ex situ sites; and (4) develop a preliminary introduction plan based on analyses of data and general observations.

Managing Reproduction and Genetic Diversity in the Ben Lomond and Contra Costa Wallflowers

Sun, 16 Apr 2023 17:38:40 -0700

Reproductive requirements, distribution of genetic diversity, and population monitoring of Ben Lomond wallflower (Erysimum teretifolium) and Contra Costa Wallflower (E. capitatum var. angustatum) - The goal of this project was to identify reproductive requirements and distribution of genetic diversity and to continue monitoring of two endangered wallflower species, Erysimum teretifolium (Ben Lomond wallflower) and E. capitatum var. angustatum (Contra Costa wallflower). The project investigated the cause of reproductive failure by characterizing the mating system, the primary pollinators and the degree to which these plants rely on pollinators. The project also investigated reservoirs of genetic diversity among populations of E. teretifolium and genetic consequences of the 1978 bottleneck of E. capitatum var. angustatum. ALl known and accessible E. teretifolium populations were surveyed annually.

Development of the Santa Rosa Vernal Reserve System VI: Third and Fifth Year Responses of Margin and Upland Habitats to Mowing and Phytomass Removal

Sun, 16 Apr 2023 14:38:45 -0700

Habitat management to benefit vernal pool plants on the Santa Rosa Plain, Sonoma County, CA -

Development of the Santa Rosa Vernal Reserve System II: Installation of a Long-Term Restoration Experiment and Description of Baseline Vegetation

Sun, 16 Apr 2023 14:38:42 -0700

Habitat management to benefit vernal pool plants on the Santa Rosa Plain, Sonoma County, CA -

Development of the Santa Rosa Vernal Reserve System I: Property Inventory, Database Construction and Short-term Management Regimes for Ecological Restoration

Sun, 16 Apr 2023 14:38:36 -0700

Habitat management to benefit vernal pool plants on the Santa Rosa Plain, Sonoma County, CA - This report describes the initial process of setting up the Santa Rosa Vernal Reserve

Assessing the Population Genetics, Taxonomy, Reproductive Ecology, and Life History Traits of Humboldt milk-vetch (Astragalus agnicidus) in relation to conservation and management

Sun, 16 Apr 2023 14:23:38 -0700

Astragalus agnicidus; Humboldt milk-vetch - Lab and field work was conducted between fall, 2010 and winter, 2012 to assess the population genetics, taxonomy, and natural history of Humboldt milk-vetch (Astragalus agnicidus), or ASAG.

Evaluating the Biological Conservation Status of the Coachella Valley Milkvetch (Astragalus lentiginosus var. coachellae)

Sun, 16 Apr 2023 14:23:34 -0700

Astragalus lentiginosus var. coachellae; Coachella Valley milkvetch - Results presented here suggest that the Coachella Valley milkvetch is not reproductively limited, despite pre-disperal seed predation

Genetic Structures of three Endangered Plants of the Santa Rosa Plain: Burke's goldfields (Lasthenia burkei), Sonoma sunshine (Blennosperma bakeri), and Sebastapol meadowfoam (Limnanthes vinculans)

Sun, 16 Apr 2023 14:23:31 -0700

Lasthenia burkei; Burke's goldfields; Blennosperma bakeri; Sonoma sunshine; Limnanthes vinculans; Sebastopol meadowfoam - To determine the genetic variation between populations in order to inform conservation efforts as to the distinctiveness of populations for seed banking and ex situ conservation, and to infer possible explanations for genetic subdivisions to aid in management decisions.

Conservation and Management of Vernal Pools Through Analysis of Community Interactions of Grazing and Fire Impacts on Five Rare Plants and Two Rare Macroinvertebrates in Tehama County

Sun, 16 Apr 2023 14:23:28 -0700

Orcuttia tenuis; slender Orcutt grass; Legenere limosa; legenere; Gratiola heterosepala; Bogg's Lake hedge-hyssop; Sagitarria sanfordii; Sanford's arrowhead; Paronychia ahartii; Ahart's paronychia - The goal of this project was to select components of the vernal pool ecosystem and monitor water quality variables, density of branchiopods, and selected plant species using permanent plots, while assessing whether or not grazing was having positive, negative, or undetermined effects on the ecosystem components.

Development of the Santa Rosa Vernal Reserve System V: Responses of Vernal Pool Plant Populations to Mowing and Phytomass Removal

Sun, 16 Apr 2023 14:23:04 -0700

Habitat management to benefit vernal pool plants on the Santa Rosa Plain, Sonoma County, CA - This report describes fourth year responses of vernal pool characteristic plants (VPC's) of the Santa Rosa Plain to experimental management.

Crescent City Marsh Wildlife Area and Table Bluff Ecological Reserve 2000 Status Report Western Lily Vegetation Strategy

Sun, 16 Apr 2023 14:22:59 -0700

Lilium occidentale; western lily - This report includes the 3rd year monitoring results, and a summary of the first 2 years of results for all tasks included in the Western Lily (Lilium occidentale) Vegetation Strategy Project, implemented in June 1998.

Search for Western Lily (LIlium occidentalle) on Public and Private Lands in Humboldt and Del Norte Counties, California

Sun, 16 Apr 2023 14:22:43 -0700

Lilium occidentale; western lily - A search for new populations of the federally endangered western lily (Lilium occidentale) was conducted from late June to mid July 2003 within suitable coastal habitat in Del Norte and Humboldt Counties, California.

Crescent City Marsh Wildlife Area Grazing Impacts Monitoring Plan - First Year: Plot Installation, Monitoring Protocol, and Baseline Data Collection

Sun, 16 Apr 2023 14:22:36 -0700

Lilium occidentale; western lily - "The primary objective of this grazing impacts monitoring project is to identify and evaluate the beneficial and detrimental impacts of grazing on the populations of sensitive species and their habitat."

Crescent City Marsh Wildlife Area and Table Bluff Ecological Reserve 1998-1999 status report: Western lily vegetation strategy

Sun, 16 Apr 2023 12:28:36 -0700

Lilium occidentale; western lily -

Recovery and management of Orcutt's spineflower (Chorizanthe orcuttiana)

Sun, 16 Apr 2023 12:28:29 -0700

Chorizanthe orcuttiana; Orcutt's spineflower - The purpose of this study was to review the current and historical distribution of C. orcuttia (Orcutt's spineflower), examine the relationship between soil type and general habitat variables with spineflower occurrence, determine which populations are still extant and their general condition, recommend possible sites for establishment of new (or re-introduced) populations, and suggest management actions.

An investigation of the reproductive ecology and seed bank dynamics of Burke's goldfields (Lasthenia burkei), Sonoma sunshine (Blennosperma bakeri), and Sebastopol meadowfoam (Limnanthes vinculans) in natural and constructed vernal pools

Sun, 16 Apr 2023 12:17:51 -0700

Santa Rosa Plain; Lasthenia burkei; Blennosperma bakeri; Limnanthes vinculans; reproductive ecology and seed bank dynamics - This project investigated the reproductive ecology of Burke's goldfields, Sonoma sunshine, and Sebastopol meadowfoam, three state and federally listed endangered annual plants, endemic to natural vernal pool sites, and in recent decades inoculated into constructed vernal pools throughout the Santa Rosa Plain, Sonoma County, California.

Conservation and recovery of Ione endemic plants: Mapping the Ione plant community

Sun, 16 Apr 2023 12:14:16 -0700

Distribution of Ione endemic plants; Ione manzanita; Arctostaphylos myrtifolia - This study determines the distribution of Arctostaphylos myrtifolia (Ione manzanita) and the associated Eriogonum apricum var. apricum (Ione buckwheat) and Eriogonum apricum var. prostratum (Irish Hill buckwheat) within Amador and Calaveras counties.

Experimental introduction of the Ventura Marsh milk-vetch (Astragalus pycnostachyus var. lanosissimus) at Carpinteria Salt Marsh Reserve and McGrath State Beach

Sun, 16 Apr 2023 11:14:33 -0700

Astragalus pycnostachyus var. lanosissimus; Ventura marsh milk-vetch - "The Ventura Marsh milkvetch was historically distributed along the coast from Orange to Ventura counties. Two locations were selected, McGrath State Beach in Ventura County and Carpinteria Salt Marsh Reserve in Santa Barbara County, to establish experimental populations of the Ventura Marsh milkvetch in various microhabitats to gain a better understanding of habitat preferences of this species."

Crescent City Marsh Wildlife Area and Table Bluff Ecological Reserve 2002 status report: Western lily vegetation strategy

Sun, 16 Apr 2023 11:14:25 -0700

Lilium occidentale; western lily -

Arenaria paludicola and Rorippa gambelii in Black Lake Canyon and the Oso Flaco Lake Region: Field observations, greenhouse cultivation, molecular genetic variation, and trial reintroductions: Volume I (Field and lab observations)

Sun, 16 Apr 2023 11:13:42 -0700

Arenaria paludicola; marsh sandwort -

And the beat goes on: Populations of Amsinckia grandiflora under different management regimes

Mon, 28 Sep 2020 11:43:56 -0700

Amsinckia grandiflora; large-flowered amsinckia; fiddleneck -

Conservation of the palmate-bracted bird’s-beak (Cordylanthus palmatus), 1993

Mon, 10 Dec 2018 15:33:06 -0800

Research on the palmate-bracted bird’s beak, Cordylanthus palmatus - This second report describes the results and conclusions of research conducted on Cordylanthus palmatus since March 1992, including ongoing monitoring of the population at Springtown Alkali Sink (Livermore, California), surveys of the other populations of this plant, studies of the soil seed bank for this species, characterization of soils at Springtown, distribution of plants relative to soil type, relocation of C. palmatus seeds, and studies on reproductive biology and seed predation.

Bird-foot Checkerbloom (Sidalcea pedata) Reserve Design Criteria: Reproductive Potential in a Fragmented Environment

Tue, 25 Sep 2018 13:42:56 -0700

Analyze bird's-foot checkerbloom breeding system, pollination biology and recruitment success in relation to conservation planning. - Increase the science-based knowledge of the reproductive processes and pollination requirements of Sidalcea pedata.

Studies of the Natural History of Astragalus magdalenae var. peirsonii (Peirson's milkvetch)

Thu, 14 Aug 2014 11:54:05 -0700

Astragalus magdalenae var. peirsonii; Peirson's milkvetch - This project "investigated aspects of the natural history of Peirson's milkvetch, including static demographics, seedling fate in the wild, root system morphology and nodulation, germination, cultivation, pollination biology, breeding system, and several abiotic characteristics of soils."

Genetic partitioning within the metapopulation of endangered Bakersfield cactus (Opuntia basilaris var. treleasei): Implications for translocation efforts

Wed, 07 May 2014 12:06:15 -0700

Bakersfield cactus population genetics in Kern County - This study addresses the genetic variation within and genetic relationships among fragmented populations of the endangered Bakersfield cactus, Opuntia basilaris var. treleasei (OBT) using comparative DNA sequence analysis of the chloroplast maturase K (matK) gene and amplified fragment length polymorphism (AFLP). The plant material used in this study consisted of 203 individuals/accessions from 32 populations. Eleven members representing two populations of Opuntia basilaris var. basilaris (OBB; Beavertail cactus), the sister variety to Bakersfield cactus, were also included as part of the 203 individuals analyzed. Neighbor-joining analysis of chloroplast matK gene sequences were insufficient to resolve relationships among OBT populations. Three AFLP primer combinations produced a total of 195 fragments, with an average of 65 fragments per primer pair, of which, 168 bands (86.1%) were polymorphic. The average pairwise distance across all populations was 15.9%. AMOVA indicated that 70% of the genetic variance was due to variation among populations and that 30% of the genetic variance was due to variation within populations (P< 0.001). Principle coordinates analysis, and dendrograms resulting from UPGMA and neighbor-joining analyses, indicated: (1) OBB and OBT samples are genetically distinct; (2) cactus populations that are south (Tejon; TCAC) and southeast (OC) of the mountain ranges surrounding the southern San Joaquin Valley are clustered together and are positioned between the OBB cluster and all OBT clusters; and (3) 24 out of 30 OBT populations were recovered as distinct clusters; however, minimal geographic partitioning among the OBT populations was observed. The implications of the results with respect to future transplantation efforts are discussed.

The Mating System of the Yreka Phlox (Phlox hirsuta E.E. Nelson)

Tue, 17 Sep 2013 12:47:09 -0700

Reproductive biology of Yreka phlox - The goal of this project was to develop a better understanding of the reproductive biology of Yreka phlox to help direct conservation and management plans for the successful recovery of the species.

Ten years after: Assessment of experimental outplantings of the endangered Ventura Marsh milkvetch (Astragalus pycnostachyus var. lanosissimus)

Fri, 07 Jun 2013 11:07:35 -0700

Management and monitoring of introduced populations of Ventura Marsh milkvetch (Astragalus pycnostachyus var. lanosissimus) - This report summarizes observations from 2003 through 2012 of experimental introductions of Astragalus pycnostachyus var. lanosisimmus - Ventura Marsh milkvetch, a variety listed as endangered under the California Endangered Species Act and the federal Endangered Species Act. The overall approach was to introduce nursery-grown juvenile milkvetch into different habitats and microsites, in order to observe their survivorship, growth, flowering and reproduction with the aim of better understanding habitat preferences and tolerances for this rare species.

Baseline mapping, habitat mapping and modeling for palmate-bracted bird's beak at Springtown Alkali Sink (Alameda County, CA)

Fri, 24 May 2013 10:04:22 -0700

Palmate-bracted bird's beak habitat mapping at Springtown Alkali Sink - The purpose of this project is to provide the basis for establishing a scientifically based plan for protection and restoration of the palmate-bracted bird's beak and Springtown Alkali Sink. The following tasks were accomplished: 1) fine-scale vegetation and land use mapping at Springtown Alkali Sink and watershed; 2) mapping of current distribution of Cordylanthus palmatus at the site and comparison with 1990 distribution data; 3) identification of potential unoccupied habitat for palmate-bracted bird's beak; 4) mapping of historic habitat and land use conditions; and 5) mapping of other rare plants in the sink.

Baldwin Lake Ecological Reserve, biological monitoring report, 1993

Wed, 01 May 2013 11:24:31 -0700

Thelypodium stenopetalum, slender-petaled thelypodium; Sidalcea pedata, bird-foot checkerbloom -

Dune Restoration for Menzies' wallflower, Howell's spineflower, and western snowy plover, MacKerricher State Park

Mon, 29 Apr 2013 10:01:43 -0700

Chorizanthe howellii, Howell's spineflower; Erysimum menziesii, Menzies' wallflower -

Crescent City Marsh Wildlife Area and Table Bluff Ecological Reserve 1998 status report: Western lily revegetation strategy

Thu, 25 Apr 2013 16:02:41 -0700

Lilium occidentale; western lily -

Seed collection and banking of 50 plant species of critical conservation concern, phase 2

Mon, 25 Mar 2013 11:52:36 -0700

Conservation seed collection - This project continued work started under a 2006 grant project. A total of 26 accessions representing 15 taxa were placed in long-term conservation storage at Rancho Santa Ana Botanic Garden.

Diseases threaten the survival of Ione manzanita (Arctostaphylos myrtifolia)

Tue, 25 Sep 2012 09:35:14 -0700

Arctostaphylos myrtifolia; Ione manzanita - The purposes of this study were to (1) examine disease symptoms and disease progression in A. myrtifolia, (2) identify pathogens associated with disease, and (3) look for associations between site factors and disease development as par of the diagnostic process.

Phylogenetic and Genetic Relationships with Astragalus sect. Inflati, subsect. Proriferi: Position of Peirson's milkvetch

Tue, 24 Aug 2010 15:44:05 -0700

Relationships among species of Astragalus using genetic markers - Assess the genetic variation within the Algodones Dunes population of Peirson's milkvetch; assess genetic variation between the Algodones Dunes population and those of Sonora, Mexico; and assess whether the populations from the US and Mexico are genetically distinct from one another.

Assessment of Experimental Outplantings of the Endangered Ventura Marsh Milkvetch (Astragalus pycnostachyus var. lanosissimus)

Tue, 24 Aug 2010 13:13:24 -0700

Astragalus pycnostachyus var. lanosissimus; Ventura marsh milk-vetch - Results of experimental introduction of endangered plant to historic range

Conservation Genetics of Three Endangered Vernal Pool Plants of the Santa Rosa Plain, Sonoma County, California

Tue, 24 Aug 2010 13:11:31 -0700

Santa Rosa Plain; Lasthenia burkei; Blennosperma bakeri; Limnanthes vinculan - Application of molecular techniques to examine the genetic structure of populations of three listed plants of the Santa Rosa Plain: Burke's goldfields (Lasthenia burkei), Sonoma sunshine (Blennosperma bakeri), and Sebastopol meadowfoam (Limnanthes vinculans).

Mitigation Options for Tahoe Yellow Cress (Rorippa subumbellata)

Tue, 24 Aug 2010 13:10:57 -0700

Translocation experiment; Tahoe yellow cress - Test translocation as a mitigation option for unavoidable impacts to Tahoe yellow cress on the shores of Lake Tahoe to benefit the species and reduce any trend toward extinction.

Integrating California populations of Fritillaria gentneri into the 2003 Federal Recovery Plan for the Species

Tue, 24 Aug 2010 13:10:14 -0700

Gentner's fritillary; impacts to species; conservation of existing populations - Assess the ecology and morphology of two California populations of Gentner's fritillary in with respect to the Recovery Plan for the species.

Pollinator Study on Lakeside Ceanothus (Ceanothus cyaneus) and San Diego Thorn-mint (Acanthomintha ilicifolia)

Tue, 24 Aug 2010 13:09:33 -0700

Lakeside ceanothus; Ceanothus cyaneus; Acanthomintha ilicifolia; San Diego thorn-mint - Identify potential pollinator candidates for Lakeside Ceanothus and San Diego Thorn-mint. Make recommendations to land managers to conserve species.

Development of Howell’s spineflower (Chorizanthe howellii) habitat restoration and recovery strategy involving iceplant removal, MacKerricher State Park, Mendocino County, CA

Tue, 24 Aug 2010 13:08:39 -0700

Assess the rate of recolonization of cleared areas by ice plant and colonization of those areas by Howell's spineflower. - This project assesses the effects of ice plant removal in coastal sand dunes to benefit Howell's spineflower and contribute to its conservation and recovery.

Development of demographic and genetic conservation strategies for maintenance of an endangered annual plant

Tue, 24 Aug 2010 13:08:06 -0700

Assess genetic structure of populations of palmate-bracted bird's-beak (Cordylanthus palmatus) - Examine the genetic structure of Cordylanthus palmatus populations; inform statewide conservation of Cordylanthus palmatus through understanding the genetics of all populations of the species; and provide information with which to develop a sampling strategy to collect seed for long-term conservation storage.

Seed Collection and Banking of 50 Plant Species of Critical Conservation Concern

Tue, 24 Aug 2010 13:06:08 -0700

Conservation seed collection - This project envisioned collection of seed from 50 species of critical conservation need. Species were prioritized for collection following criteria developed by the Department. Focus was placed on special status plants that had extremely restricted ranges, were known from five or fewer locations statewide, and were often in rapidly-urbanizing areas where they were susceptible to stochastic or human-caused extirpation.

Protection of Ione manzanita (Arctostaphylos myrtifolia) stands from Phytophthora root rot

Tue, 24 Aug 2010 13:05:42 -0700

Use of AgriFos to prevention infection of Ione manzanita by Phythphora root rot fungus. - The water mould Phytophthora cinnamomi has become an increasing threat to Arctostaphylos myrtifolia (Ione manzanita). Test the effects of AgriFos on Ione manzanita in laboratory and field trials.

Clonality in the endangered Ambrosia pumila (Nutt.) Gray (Asteraceae)

Tue, 24 Aug 2010 13:05:08 -0700

Genetic diversity in the clonal species, San Diego ambrosia - Collect genetic data from several populations of A. pumila and estimate the number of genets within populations and levels of genetic diversity. Random Amplified Polymorphic DNA (RAPD) markers were employed to identify clones and undertake a fine scale examination of the spatial structure of clones.

Continuing Assessments of Recovery Requirements for Astragalus lentiginosus var. coachellae: Evaluating the Potential Effects of Disturbance, Habitat Fragmentation, and Exotic Species

Tue, 24 Aug 2010 13:04:01 -0700

Management and recovery of triple-ribbed milkvetch in the Coachella Valley - Assess the impacts of Saharan mustard and other exotics, the role of disturbance at maintaining or curtailing Coachella Valley milkvetch metapopulations, and the current status of the species in relation to development in the Coachella Valley.

Phoenix Vernal Pools Management Plan

Tue, 24 Aug 2010 12:43:28 -0700

Develop management plan for Phoenix Field vernal pools, Sacramento County, CA - Establish a set of management goals and tasks to ensure the long-term protection of special status species and where appropriate provide or allow for compatible public uses.

Status evaluation of Astragalus tricarinatus (triple-ribbed milkvetch)

Wed, 24 Sep 2008 11:23:30 -0700

Astragalus tricarinatus; triple-ribbed milkvetch -

Final report: Characterizing the habitat of slender-horned spineflower (Dodecahema leptoceras): Geomorphic analysis

Mon, 14 Jul 2008 10:38:50 -0700

Dodecahema leptoceras; slender-horned spineflower -

Status of the endangered and rare plants on Santa Barbara Island, Channel Islands National Park: Final report.

Mon, 14 Jul 2008 10:32:45 -0700

Astragalus traskiae; Trask's milk-vetch -

Vernal pool substrate and plant community study

Mon, 19 Nov 2007 13:33:05 -0800

vernal pools; -

Vernal Pool Habitat Restoration, Eastgate Mall, NAS Miramar, San Diego, California

Mon, 19 Nov 2007 13:33:04 -0800

Eryngium aristulatum var. parishii; San Diego button-celery -

Vernal pool ecology and vernal pool landscape management as illustrated by rare macroinvertebrates and vascular plants at Vina Plains Preserve, Tehama County, California

Mon, 19 Nov 2007 13:33:02 -0800

Orcuttia pilosa; hairy Orcutt grass -

The Monterey ecological staircase: The nature of vegetation and soils on different geomorphic surfaces of the Monterey Peninsula with an emphasis on Monterey Pine (Pinus radiata) forest

Mon, 19 Nov 2007 13:32:59 -0800

Pinus radiata; Monterey pine -

Tales of success and failure: Trends in natural and reintroduced populations of Amsinckia grandiflora under different management regimes

Mon, 19 Nov 2007 13:32:58 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Table Bluff Ecological Reserve (Humboldt County): Management plan

Mon, 19 Nov 2007 13:32:57 -0800

Lilium occidentale; western lily -

Surveys and assessment of known Acanthomintha ilicifolia populations

Mon, 19 Nov 2007 13:32:56 -0800

Acanthomintha ilicifolia; San Diego thorn-mint -

Studies of the Cordylanthus palmatus at the Springtown Alkali Sink, Livermore, California

Mon, 19 Nov 2007 13:32:54 -0800

Cordylanthus palmatus; palmate-bracted bird's-beak -

Slender-horned spineflower (Dodecahema leptoceras): Microhabitat characterization of mycorrhizal associations

Mon, 19 Nov 2007 13:32:50 -0800

Dodecahema leptoceras; slender-horned spineflower -

Serpentines of the San Francisco Bay Region: Vegetation, floristics, distribution, and soils

Mon, 19 Nov 2007 13:32:47 -0800

Lessingia germanorum; San Francisco lessingia -

Seed germination and dormancy of Pentachaeta lyonii

Mon, 19 Nov 2007 13:32:45 -0800

Pentachaeta lyonii; Lyon's pentachaeta -

Santa Rosa Plains endangered plant protection program report report Santa Rosa Plains endangered plant protection program Santa Rosa Plains endangered plant protection program report

Mon, 19 Nov 2007 13:32:44 -0800

Limnanthes vinculans; Sebastopol meadowfoam -

Santa Ana River/Mentone Fan hydrological study

Mon, 19 Nov 2007 13:32:43 -0800

San Joaquin Valley and adjacent sierra foothills vernal pool geomorphic classification and conservation prioritization

Mon, 19 Nov 2007 13:32:39 -0800

Cordylanthus palmatus; palmate-bracted bird's-beak -

San Diego vernal pools, recent and projected losses, their condition and threats to their existence, 1979-1990 volumes I and II: Report and appendices 1-9

Mon, 19 Nov 2007 13:32:33 -0800

Brodiaea filifolia; thread-leaved brodiaea -

San Diego vernal pool study, 1978

Mon, 19 Nov 2007 13:32:29 -0800

Orcuttia californica; California Orcutt grass -

San Diego native vegetation mapping project (MAPS MISSING)

Mon, 19 Nov 2007 13:32:27 -0800

Arctostaphylos glandulosa ssp. crassifolia; Del Mar manzanita -

San Diego vernal pool enhancement: Phase I

Mon, 19 Nov 2007 13:32:27 -0800

Pogogyne abramsii; San Diego mesa mint -

Restoration and recovery of Mason's lilaeopsis: Phase II

Mon, 19 Nov 2007 13:32:26 -0800

Lilaeopsis masonii; Mason's lilaeopsis -

Restoration and recovery of Mason's lilaeopsis: Phase I

Mon, 19 Nov 2007 13:32:24 -0800

Lilaeopsis masonii; Mason's lilaeopsis -

Report on the status and distribution of the Dehesa nolina, Nolina interrata Gentry (Agavaceae)

Mon, 19 Nov 2007 13:32:23 -0800

Nolina interrata; Dehesa nolina -

Removal of Lippia nodiflora (mat-grass) from vernal pools, Jepson Prairie Preserve, Solano County

Mon, 19 Nov 2007 13:32:22 -0800

Neostapfia colusana; Colusa grass -

Recovery strategies for six coastal plant species on the Monterey Peninsula

Mon, 19 Nov 2007 13:32:18 -0800

Trifolium trichocalyx; Monterey clover -

Rare plant surveys at the Antelope Valley, Smithneck Creek and Crocker Meadows Wildlife Areas (Sierra and Plumas counties): Final report

Mon, 19 Nov 2007 13:32:14 -0800

Rare plant habitat restoration at Vina Plains Preserve (Tehama County)

Mon, 19 Nov 2007 13:32:12 -0800

Chamaesyce hooveri; Hoover's spurge -

Preliminary management proposal for the inland sandhill habitats of Santa Cruz County, California

Mon, 19 Nov 2007 13:32:06 -0800

Erysimum teretifolium; Santa Cruz wallflower -

Populations of Amsinckia grandiflora (large-flowered fiddleneck): Growth and decline under different management regimes

Mon, 19 Nov 2007 13:32:05 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Preliminary biological monitoring report for Sidalcea covillei

Mon, 19 Nov 2007 13:32:05 -0800

Sidalcea covillei; Owens Valley checkerbloom -

Population status and management analysis of Clarkia springvillensis, Fritillaria striata, and Pseudobahia peirsonii in the San Joaquin Valley, California

Mon, 19 Nov 2007 13:32:04 -0800

Pseudobahia peirsonii; San Joaquin adobe sunburst -

Monterey pine forest ecological assessment: Historical distribution, ecology, and current status of Monterey pine

Mon, 19 Nov 2007 13:32:01 -0800

Pinus radiata; Monterey pine -

Mechanisms of Persistence of San Diego thornmint (Acanthomintha ilicifolia)

Mon, 19 Nov 2007 13:31:59 -0800

Acanthomintha ilicifolia; San Diego thorn-mint -

Management plan for the Harrison Grade Ecological Reserve, Sonoma, California

Mon, 19 Nov 2007 13:31:58 -0800

Cordylanthus tenuis ssp. capillaris; Pennell's bird's-beak -

McGinty Mountain habitat protection project: Final report (MISSING)

Mon, 19 Nov 2007 13:31:58 -0800

Major Plant communities of the Ash Creek Wildlife Area: Modoc and Lassen Counties, Northeastern California

Mon, 19 Nov 2007 13:31:55 -0800

Inching toward recovery: Evaluating the performance of Amsinckia grandiflora populations under different management regimes

Mon, 19 Nov 2007 13:31:54 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Habitat restoration and enhancement for the Cuyamaca Lake downingia (Downingia concolor ssp. brevior)

Mon, 19 Nov 2007 13:31:52 -0800

Downingia concolor var. brevior; Cuyamaca Lake downingia -

Habitat characterization study of San Joaquin Valley vernal pools

Mon, 19 Nov 2007 13:31:47 -0800

Chamaesyce hooveri; Hoover's spurge -

Habitat characterization and selection of potential sites for establishment of new populations of Amsinckia grandiflora

Mon, 19 Nov 2007 13:31:43 -0800

Amsinckia grandiflora; large-flowered amsinckia -

Genetic analysis of Malacothamnus fasciculatus (Nutt.) Greene var. nesioticus (Rob.) Kearn

Mon, 19 Nov 2007 13:31:42 -0800

Malacothamnus fasciculatus var. nesioticus; Santa Cruz Island bush mallow -

Final Report for the Rare Plant Management Projects: Ecological factors affecting the recovery of Coastal milkvetch, Hickman’s cinquefoil and Pacific Grove clover. And Ecological factors affecting the recovery of Gowen cypress and Monterey clover

Mon, 19 Nov 2007 13:31:40 -0800

Trifolium trichocalyx; Monterey clover -

Factors affecting the regeneration of Morro manzanita (Arctostaphylos morrensis): Reproductive biology and response to prescribed burning

Mon, 19 Nov 2007 13:31:38 -0800

Arctostaphylos morroensis; Morro manzanita -

Endangered plant protection on Jepson Prairie Preserve, Solano County

Mon, 19 Nov 2007 13:31:35 -0800

Neostapfia colusana; Colusa grass -

Ecology and Distribution of Braunton’s milkvetch (Astragalus brauntii) and Lyon’s pentachaeta (Pentachaeta lyonii)

Mon, 19 Nov 2007 13:31:34 -0800

Astragalus brauntonii; Braunton's milk-vetch -

Ecological studies of Morro manzanita (Arctostaphylos morrensis)

Mon, 19 Nov 2007 13:31:32 -0800

Arctostaphylos morroensis; Morro manzanita -

Ecological studies of Clara Hunt’s milkvetch (Astragalus clarianus) and a proposal for habitat restoration at Conn Valley Road, Napa County

Mon, 19 Nov 2007 13:31:29 -0800

Astragalus clarianus; Clara Hunt's milk-vetch -

Ecological studies and demographic monitoring of soft bird’s-beak (Cordylanthus mollis ssp. mollis), a California listed rare plant species, and habitat management recommendations

Mon, 19 Nov 2007 13:31:24 -0800

Cordylanthus mollis ssp. mollis; soft bird's-beak -

Ecological monitoring of Downingia concolor ssp. brevior (Cuyamaca Lake downingia) and Limnanthes gracilis ssp. parishii (Parish’s slender meadowfoam)

Mon, 19 Nov 2007 13:31:19 -0800

Limnanthes gracilis var. parishii; Parish's meadowfoam -

Development of the Santa Rosa Vernal Reserve System IV: Experimental manipulations to improve rare plant populations and ecosystem quality

Mon, 19 Nov 2007 13:31:13 -0800

Lasthenia burkei; Burke's goldfields -

Development of the Santa Rosa Vernal Reserve System III: First-year response of margin and upland habitats to mowing and phytomass removal

Mon, 19 Nov 2007 13:31:12 -0800

Limnanthes vinculans; Sebastopol meadowfoam -

Determining the role of the seed bank in maintaining populations of a California grassland annual through prolonged periods of drought

Mon, 19 Nov 2007 13:31:11 -0800

Clarkia springvillensis; Springville clarkia -

Demography, ecology, and reproductive biology of California jewelflower (Caulanthus californicus: Brassicaceae)

Mon, 19 Nov 2007 13:31:10 -0800

Caulanthus californicus; California jewel-flower -

Demography of endemic psammophytes, Eureka Valley, California II: Survivorship, seed bank dynamics and frequency of establishment

Mon, 19 Nov 2007 13:31:09 -0800

Oenothera californica ssp. eurekensis; Eureka Dunes evening-primrose -

Demography of endemic psammophytes, Eureka Valley, California I: Seed production, dispersal, and herbivory

Mon, 19 Nov 2007 13:31:08 -0800

Swallenia alexandrae; Eureka Valley dune grass -

Demography of Caulanthus californicus, Lembertia congdonii, and Eriastrum hooveri, and vegetation characteristics of endangered species populations in the Southern San Joaquin Valley and the Carrizo Plain Natural Area in 1993

Mon, 19 Nov 2007 13:31:07 -0800

Caulanthus californicus; California jewel-flower -

Demography and reproductive biology of San Joaquin woolly threads (Lembertia congdonii: Asteraceae) (MISSING)

Mon, 19 Nov 2007 13:31:05 -0800

Lembertia congdonii; San Joaquin woollythreads -

Demography and reproductive biology of Kern mallow (Eremalche kernensis: Malvaceae)

Mon, 19 Nov 2007 13:31:03 -0800

Eremalche kernensis; Kern mallow -

Demographic studies of endemic plants at the Antioch Dunes National Wildlife Refuge I: Seed production and germination

Mon, 19 Nov 2007 13:31:01 -0800

Oenothera deltoides ssp. howellii; Antioch Dunes evening-primrose -

Demographic studies of endemic plants at the Antioch Dunes National Wildlife Refuge II: Seedling demography, seed production, and seed bank dynamics

Mon, 19 Nov 2007 13:31:01 -0800

Erysimum capitatum var. angustatum; Contra Costa wallflower -

Crescent City Marsh Wildlife Area and Table Bluff Ecological Reserve 1998 status report: Western lily vegetation strategy

Mon, 19 Nov 2007 13:30:57 -0800

Lilium occidentale; western lily -

Creating new populations of Acanthomintha duttonii III: Enhancement at Pulgas Ridge

Mon, 19 Nov 2007 13:30:56 -0800

Acanthomintha duttonii; San Mateo thorn-mint -

Creating new populations of Acanthomintha duttonii IV: Demographic performance at Pulgas Ridge and Eastwood Park

Mon, 19 Nov 2007 13:30:56 -0800

Acanthomintha duttonii; San Mateo thorn-mint -

Creating new populations of Acanthomintha duttonii II: Reintroduction at Pulgas Ridge

Mon, 19 Nov 2007 13:30:55 -0800

Acanthomintha duttonii; San Mateo thorn-mint -

Cordylanthus palmatus site characterization and aerial photography interpretation

Mon, 19 Nov 2007 13:30:54 -0800

Cordylanthus palmatus; palmate-bracted bird's-beak -

Conservation Plan for the Etiwanda-Day Canyon Drainage System supporting the rare natural community of alluvial fan sage scrub

Mon, 19 Nov 2007 13:30:53 -0800

Dodecahema leptoceras; slender-horned spineflower -

Conservation of the palmate-bracted bird’s-beak (Cordylanthus palmatus), 1994

Mon, 19 Nov 2007 13:30:52 -0800

Cordylanthus palmatus; palmate-bracted bird's-beak -

Classification of alluvial scrub in Los Angeles, Riverside, and San Bernardino Counties

Mon, 19 Nov 2007 13:30:51 -0800

Dodecahema leptoceras; slender-horned spineflower -

Chorro Creek bog thistle (Cirsium fontinale var. obispoense) recovery project: Final report.

Mon, 19 Nov 2007 13:30:49 -0800

Cirsium fontinale var. obispoense; Chorro Creek bog thistle -

Characterizing the habitat of slender-horned spineflower (Dodecahema leptoceras)

Mon, 19 Nov 2007 13:30:48 -0800

Dodecahema leptoceras; slender-horned spineflower -

Chaparral burns and management: Influence of soil moisture at the time of a prescribed chaparral burn on the response of the native vegetation from the seed bank

Mon, 19 Nov 2007 13:30:43 -0800

Botanical resources inventory at Calhoun Cut Ecological Reserve following California’s recent drought

Mon, 19 Nov 2007 13:30:41 -0800

Lilaeopsis masonii; Mason's lilaeopsis -

Baseline monitoring study of a rare plant, the Fish Slough milk vetch (Astragalus lentiginosus var. piscinensis): Sources of variation in reproduction, herbivory, and growth

Mon, 19 Nov 2007 13:30:40 -0800

Astragalus lentiginosus var. piscinensis; Fish Slough milk-vetch -

Assessment of seed bank buffering of genetic change in Dodecahema leptoceras (slender-horned spineflower)

Mon, 19 Nov 2007 13:30:37 -0800

Dodecahema leptoceras; slender-horned spineflower -

Autecology of San Diego thornmint (Acanthomintha ilicifolia)

Mon, 19 Nov 2007 13:30:37 -0800

Acanthomintha ilicifolia; San Diego thorn-mint -

A preliminary investigation of the seed bank of Astragalus agnicidus

Mon, 19 Nov 2007 13:30:34 -0800

Astragalus agnicidus; Humboldt milk-vetch -

A study of the ecological aspects related to the reintroduction of Acanthomintha obovata ssp. duttonii (San Mateo thorn-mint)

Mon, 19 Nov 2007 13:30:34 -0800

Acanthomintha duttonii; San Mateo thorn-mint -

A comparison of Hemizonia conjugens (Otay tarplant) with two closely related species using enzyme electrophoresis and soil textural analysis

Mon, 19 Nov 2007 13:30:33 -0800

Hemizonia conjugens; Otay tarplant -