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A Guide to the California Native Plant Society’S Rare Plant Treasure Hunt

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A Guide to the California Native Plant Society’S Rare Plant Treasure Hunt A Guide to the California Native Plant Society’s Rare Plant Treasure Hunt: Planning and Leading Fun, Educational Rare Plant Surveys for Conservation by Daniel Slakey, Josie Crawford, and Amber Swanson February 2012 This manual is meant to be a resource for anyone interested in participating in the Rare Plant Treasure Hunt, whether they be Chapter members, volunteer coordinators, or other trip leaders. Beginners will gain a better idea of what to expect on their first Treasure Hunt and how to organize their own trip. Returning volunteers and experienced botanists may find information in here useful for organizing a survey group or they may benefit from the section on mapping populations, for example. We encourage Rare Plant Treasure Hunt volunteers to read through all sections of this document , as it will help them to gain more from their treasure hunting experience. 2 Index Title page………………………………………………………………………………….1 Index………………………………………………………………………………………3 1 Introduction…………………………………………………………………………….5 1a. Project background…………………………………………………………….5 1b. Steps for Planning your Treasure Hunt..............................................................6 2. Rare Plant Treasure Hunt Groups………………………………………….………..6 2a. CNPS staff-led trips…………………………………………………………...6 2b. Small RPTH groups…………..……………………………………………….6 2c. The “Adopt a Rare Plant” approach…………………………………………...7 2d. The “Adopt a Site” approach………………………………………………….7 2e. CNPS chapter events…………………………………………………………..7 Surveys with larger groups………………………………………………..7 Surveying on existing chapter field trips…………………………………8 3. Planning your Rare Plant Treasure Hunt…………………………………………...8 3a. Choosing your survey site……………………………………………………..8 Local knowledge…………………………………………………………..9 RPTH Coordinator………………………………………………………...9 CNPS Rare Plant Inventory……………………………………………….9 Exercise: CNPS Rare Plant Inventory ……………………………………9 BIOS and the California Natural Diversity Database (CNDDB)………..11 3b. Researching rare plants prior to the Treasure Hunt………………………….12 Calphotos……………………………………………………………...…12 Jepson eFlora/Flora of North America…………………………………..12 Consortium of California Herbaria………………………………………13 Regional Floras and Plant Lists………………………………………….13 CNPS Chapter Local Plant Lists…………………………………………14 3c. Understanding CNDDB reports and maps…………………………………...14 Element occurrences……………………………………………………..14 Rare plant polygons……………………………………………………...14 Historical vs. recent occurrences………………………………………...15 Ecological data………………………………………………………...…15 Voucher specimens/source data………………………………………….16 Sample CNDDB Map……………………………………………………17 Sample CNDDB Report………………………………………………….18 3d. Contact land managers……………………………………………………….19 Obtaining land manager contact information……………………………19 3e. RPTH Checklist of supplies – what to bring with you in the field…………..19 4. Rare Plant Treasure Hunt Form Instructions……………………………………..20 4a. RPTH liability waiver and photo release…………...………………………..20 4b. Volunteer hours log…………………………………………………………..20 4c. RPTH field survey form………….…………………………………………..21 Information needed from Global Positioning System (GPS) units…........22 4d. Submitting large amounts of rare plant data and volunteer hours…………...23 5. Day of the Treasure Hunt……………………………………………………………23 5a. Negative occurrence guidelines……………………………………………...23 3 Thorough survey, appropriately timed…………………………………...23 Obvious destruction of habitat…………………………………………...23 Annuals and herbaceous perennials……………………………………...24 5b. Using GPS units to navigate to rare plant populations………………………24 5c. Using GPS units to map rare plant populations……………………………...24 Small populations………………………………………………………...24 Linear populations……………………………………………………….25 Large populations………………………………………………………...25 5d. Estimating population size…………………………………………………...25 5e. Collecting Specimens………………………………………………………...26 Permission………………………………………………………………..26 Need for specimens………………………………………………………26 Viable population………………………………………………………...26 Collecting good specimens………………………………………………26 Specimen Labels…………………………………………………………26 6. After the Rare Plant Treasure Hunt………………………………………………..27 6a. Thanking your partners………………………………………………………27 6b. Submitting forms…………………………………………………………….27 6c. Submission deadlines and RPTH awards…………………………………….27 4 1. INTRODUCTION 1a. Project background The Rare Plant Treasure Hunt (RPTH) is a citizen science project of the California Native Plant Society’s (CNPS) Education and Rare Plant Programs. The project teams experienced botanists with amateur sleuths to seek out and update rare plant occurrences on public lands (and with permission, on private lands) throughout the state. The project was launched in early 2010 and has proved to be incredibly popular. Volunteer botanists who lead treasure hunting teams, as well as the amateurs who are sometimes experiencing California’s wild flora for the first time, have been enthusiastic about Rare Plant Treasure Hunt outings and experiences. There is nothing quite like learning how and where to look for a beautiful rare plant, experiencing the magnificent California wildscape while looking for it, and then actually finding a new population of one that has not been seen in decades. The Rare Plant Treasure Hunt grew out of a need that was noted by former CNPS Rare Plant Botanist Nick Jensen, and was developed by CNPS Education Coordinator Josie Crawford. The CNPS Rare Plant Program maintains an inventory of the State’s rare plants, with over 2,200 species. Those plants that are the most rare in California – Rank 1B and 2 plants – receive protection under the California Environmental Quality Act (CEQA). Known populations of these plants are mapped by the Department of Fish and Game (DFG) in a program called the California Natural Diversity Database (CNDDB – read more about it at http://www.dfg.ca.gov/biogeodata/cnddb/pdfs/Fremontia_Vol_29_article.pdf). The data in the CNDDB come from a variety of sources, such as herbarium specimens, floras, scientific publications, data from land managers, and field survey forms (FSFs) submitted by Rare Plant Treasure Hunters, professional botanists, CNPS members, and environmental consultants. These data “help drive conservation decisions, aid in the environmental review of projects and land use changes, and provide baseline data helpful in recovering endangered species and for research projects” (CNDDB 2011). However, nearly half of the approximately 32,000 rare plant occurrences in the CNDDB are historical (meaning they have not been seen in over 20 years) and need to be surveyed in order to verify their persistence and viability. Given the threats posed by development, climate change, alteration of fire regimes, invasive plants, as well as many other impacts, up-to-date data are needed for CNPS to be able to help protect the state’s rarest plants. Current data helps in the status review process, so CNPS can know if a plant needs to be added to, deleted from, or change its rank in the CNPS Rare Plant Inventory. Also, many parts of California have had little to no botanical exploration, particularly in desert areas that are threatened with renewable energy projects at a massive scale. The RPTH is a great way for volunteer botanists and botany enthusiasts to have fun while learning about and helping to protect our state’s rare flora. To get started with the Rare Plant Treasure Hunt, you don’t have to be an experienced botanist –we often have very experienced botanists join trips that may be able to help you learn more about botany and rare plants. Trips are organized throughout the state; to be 5 notified of upcoming trips, send an email to [email protected], and ask to be added to the RPTH mailing list. We are particularly excited to have volunteers interested in leading their own trips – whether it be a solo trip, a small group of friends, or even a CNPS Chapter event, we encourage you to get out in the field and search for some rare plants! 1b. Steps for planning your Treasure Hunt Volunteers are encouraged to join in on existing Rare Plant Treasure Hunts that have already been planned, but we are especially looking for volunteers willing to lead their own trips. This manual is designed to help new Treasure Hunters plan and carry out a successful and fun rare plant survey. The basic steps that are needed for a Rare Plant Treasure Hunt are outlined below, and are elaborated on throughout the manual. 1. Organize a RPTH group 2. Choose a rare plant survey to perform, or ask to be assigned one by the Rare Plant Treasure Hunt Coordinator. 3. Perform background research on the plant(s) and plan your survey 4. Acquire landowner permission and prepare materials for the Treasure Hunt 5. Lead the rare plant survey 6. Submit data and timesheets to the RPTH Coordinator 2. RARE PLANT TREASURE HUNT GROUPS Many different types of groups have already joined the RPTH – CNPS Chapters, environmental consultants, land conservancies, Boy Scouts, environmental groups, public land managers, botany students, families, small groups of friends, and individual botany enthusiasts, to name a few. Below we describe a few of the ways individuals and Chapters can get involved in the program. 2a. CNPS staff-led trips The Rare Plant Treasure Hunt coordinators plan organized trips throughout the year to survey for rare plants in different parts of the state. To be notified of these trips, send an email to [email protected], and you will be added to the mailing list. Trips are also posted in the RPTH calendar at http://www.cnps.org/cnps/rareplants/treasurehunt/calendar.php. Many of the
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