Task Force on Landscape Heritage and Plant Diversity Has Determined Initial Designations
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Department of Planning and Zoning
Department of Planning and Zoning Subject: Howard County Landscape Manual Updates: Recommended Street Tree List (Appendix B) and Recommended Plant List (Appendix C) - Effective July 1, 2010 To: DLD Review Staff Homebuilders Committee From: Kent Sheubrooks, Acting Chief Division of Land Development Date: July 1, 2010 Purpose: The purpose of this policy memorandum is to update the Recommended Plant Lists presently contained in the Landscape Manual. The plant lists were created for the first edition of the Manual in 1993 before information was available about invasive qualities of certain recommended plants contained in those lists (Norway Maple, Bradford Pear, etc.). Additionally, diseases and pests have made some other plants undesirable (Ash, Austrian Pine, etc.). The Howard County General Plan 2000 and subsequent environmental and community planning publications such as the Route 1 and Route 40 Manuals and the Green Neighborhood Design Guidelines have promoted the desirability of using native plants in landscape plantings. Therefore, this policy seeks to update the Recommended Plant Lists by identifying invasive plant species and disease or pest ridden plants for their removal and prohibition from further planting in Howard County and to add other available native plants which have desirable characteristics for street tree or general landscape use for inclusion on the Recommended Plant Lists. Please note that a comprehensive review of the street tree and landscape tree lists were conducted for the purpose of this update, however, only -
In Bloom May 21St.Xlsx
In bloom at Van Vleck May 21st … Rhododendrons and azaleas are a big part of this week's show. Especially noteworthy are some unusually colored deciduous azaleas, leaf stem flower root Scientific Name Common Name Where? Fragrant? Trees: also look for foliage, fruit, and bark interest Aesculus pavia red buckeye wetland Asimina triloba pawpaw wetland Chionanthus retusus Chinese fringetree drying yard, rear parking Chionanthus virginicus fringetree winter garden Cornus x hybrida Rutgers hybrid dogwood woodland Halesia diptera two-winged silverbell woodland Halesia monticola mountain silverbell mother's garden Magnolia tripetala umbrella magnolia mother's garden Trochodendron aralioides Japanese wheel tree near caretaker's cottage Shrubs: Calycanthus 'Hartlage Wine' woodland, azalea walk Calycanthus 'Michael Lindsey' Carolina allspice woodland Deutzia gracilis slender deutzia front of house, woodland, pedestrian path Enkianthus campanulatus redvein nkianthus throughout garden Illicium floridanum 'Woodland Ruby' anise tree formal garden Leucothoe throughout garden Lonicera mackii Amur honeysuckle winter garden Rhododendron azalea assorted cultivars throughout garden Rhododendron rhododendron assorted throughout garden Rhododendron carolinianum Carolina rhododendron throughout garden Rhododendron 'Frilly Lemon' deciduous azalea wetland Rhododendron Mollis Hybrids deciduous azalea formal garden Rhododendron vaseyi 'White Find' pinkshell azalea azalea walk Syringa 'Palibin' lilac front of house Vaccinium corymbosum highbush blueberry throughout -
Erigenia : Journal of the Southern Illinois Native Plant Society
ERIGENIA THE LIBRARY OF THE DEC IS ba* Number 13 UNIVERSITY OF ILLINOIS June 1994 ^:^;-:A-i.,-CS..;.iF/uGN SURVEY Conference Proceedings 26-27 September 1992 Journal of the Eastern Illinois University Illinois Native Plant Society Charleston Erigenia Number 13, June 1994 Editor: Elizabeth L. Shimp, U.S.D.A. Forest Service, Shawnee National Forest, 901 S. Commercial St., Harrisburg, IL 62946 Copy Editor: Floyd A. Swink, The Morton Arboretum, Lisle, IL 60532 Publications Committee: John E. Ebinger, Botany Department, Eastern Illinois University, Charleston, IL 61920 Ken Konsis, Forest Glen Preserve, R.R. 1 Box 495 A, Westville, IL 61883 Kenneth R. Robertson, Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 Lawrence R. Stritch, U.S.D.A. Forest Service, Shawnee National Forest, 901 S. Commercial Su, Harrisburg, IL 62946 Cover Design: Christopher J. Whelan, The Morton Arboretum, Lisle, IL 60532 Cover Illustration: Jean Eglinton, 2202 Hazel Dell Rd., Springfield, IL 62703 Erigenia Artist: Nancy Hart-Stieber, The Morton Arboretum, Lisle, IL 60532 Executive Committee of the Society - April 1992 to May 1993 President: Kenneth R. Robertson, Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 President-Elect: J. William Hammel, Illinois Environmental Protection Agency, Springfield, IL 62701 Past President: Jon J. Duerr, Kane County Forest Preserve District, 719 Batavia Ave., Geneva, IL 60134 Treasurer: Mary Susan Moulder, 918 W. Woodlawn, Danville, IL 61832 Recording Secretary: Russell R. Kirt, College of DuPage, Glen EUyn, IL 60137 Corresponding Secretary: John E. Schwegman, Illinois Department of Conservation, Springfield, IL 62701 Membership: Lorna J. Konsis, Forest Glen Preserve, R.R. -
Catalpa Bignonioides
Pub. No. 15 April 2016 Southern Catalpa Catalpa bignonioides by Dr. Kim D. Coder, Professor of Tree Biology & Health Care Warnell School of Forestry & Natural Resources, University of Georgia The Southern catalpa (Catalpa bignonioides) tree is a common fixture along roadsides and in old landscapes. The big green leaves and distinctive long dangling fruits are noticeable from hundreds of yards away. Although used in the past for a few wood-based products and pioneer medicines, today catalpa is used for shade trees and for growing a special caterpillar. This catalpa “worm” is prized by fishing enthusiast across the South. Family Ties The catalpa tree is a member of the Catalpa or Trumpet-Creeper family (Bignoniaceae). This family contains more than 700 species scattered around the globe, primarily in tropical and sub-tropical regions. This plant family is represented by trees, shrubs and vines in North America. The trumpet creeper (Campsis radicans), cross vine (Bignonia capreolata), and two catalpa trees (Catalpa ssp.) are the most recognized natives of this family in the Southeastern United States. The exotic Asiatic Pau- lownia tree is a member of this family and has been widely planted, now reproducing on its own. The catalpa genus (Catalpa) has 12 species spread across North America, the Caribbean basin, Eastern Asia and Japan. There are two common native catalpa trees in the United States, and one exotic (Catalpa ovata - Chinese catalpa). Catalpa speciosa is the larger and more northern growing of the two native trees. Common names for this catalpa are Northern catalpa, Western catalpa, and catawba-tree. Catalpa bignonioides is the native Southern catalpa. -
B89fd6a4824b19485ce5232ed3
Plant Pathol. J. 29(1) : 1-9 (2013) http://dx.doi.org/10.5423/PPJ.RW.05.2012.0072 The Plant Pathology Journal pISSN 1598-2254 eISSN 2093-9280 © The Korean Society of Plant Pathology Mini-Review Open Access Recent Trends in Studies on Botanical Fungicides in Agriculture Mi-Young Yoon1, Byeongjin Cha2 and Jin-Cheol Kim1* 1Eco-friendly New Materials Research Group, Division of Convergence Chemistry, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea 2Department of Plant Medicine, Chungbuk National University, Cheongju 361-763, Korea (Received on May 31, 2012; Revised on October 22, 2012; Accepted on November 2, 2012) Plants are attacked by various phytopathogenic fungi. use of integrated pest management (IPM), and the develop- For many years, synthetic fungicides have been used to ment of genetically modified (GM) seeds with insecticidal control plant diseases. Although synthetic fungicides are qualities. The synthetic pesticide market comprises herbi- highly effective, their repeated use has led to problems cides, fungicides, insecticides, and others, accounting for such as environmental pollution, development of re- 48%, 26%, 16%, and 10% of the total market, respectively. sistance, and residual toxicity. This has prompted inten- The pesticide market was declined over the period 1999 to sive research on the development of biopesticides, includ- 2004 because of the development of biopesticides and GM ing botanical fungicides. To date, relatively few botanical fungicides have been registered and commercialized. crops, especially herbicide-resistant seeds. However, in 2005, However, many scientists have reported isolation and the use of herbicides began to increase, partly in response to characterization of a variety of antifungal plant deriva- the increased aggressiveness of herbicide-resistant weeds, tives. -
What Is a Tree in the Mediterranean Basin Hotspot? a Critical Analysis
Médail et al. Forest Ecosystems (2019) 6:17 https://doi.org/10.1186/s40663-019-0170-6 RESEARCH Open Access What is a tree in the Mediterranean Basin hotspot? A critical analysis Frédéric Médail1* , Anne-Christine Monnet1, Daniel Pavon1, Toni Nikolic2, Panayotis Dimopoulos3, Gianluigi Bacchetta4, Juan Arroyo5, Zoltán Barina6, Marwan Cheikh Albassatneh7, Gianniantonio Domina8, Bruno Fady9, Vlado Matevski10, Stephen Mifsud11 and Agathe Leriche1 Abstract Background: Tree species represent 20% of the vascular plant species worldwide and they play a crucial role in the global functioning of the biosphere. The Mediterranean Basin is one of the 36 world biodiversity hotspots, and it is estimated that forests covered 82% of the landscape before the first human impacts, thousands of years ago. However, the spatial distribution of the Mediterranean biodiversity is still imperfectly known, and a focus on tree species constitutes a key issue for understanding forest functioning and develop conservation strategies. Methods: We provide the first comprehensive checklist of all native tree taxa (species and subspecies) present in the Mediterranean-European region (from Portugal to Cyprus). We identified some cases of woody species difficult to categorize as trees that we further called “cryptic trees”. We collected the occurrences of tree taxa by “administrative regions”, i.e. country or large island, and by biogeographical provinces. We studied the species-area relationship, and evaluated the conservation issues for threatened taxa following IUCN criteria. Results: We identified 245 tree taxa that included 210 species and 35 subspecies, belonging to 33 families and 64 genera. It included 46 endemic tree taxa (30 species and 16 subspecies), mainly distributed within a single biogeographical unit. -
Native Trees of Georgia
1 NATIVE TREES OF GEORGIA By G. Norman Bishop Professor of Forestry George Foster Peabody School of Forestry University of Georgia Currently Named Daniel B. Warnell School of Forest Resources University of Georgia GEORGIA FORESTRY COMMISSION Eleventh Printing - 2001 Revised Edition 2 FOREWARD This manual has been prepared in an effort to give to those interested in the trees of Georgia a means by which they may gain a more intimate knowledge of the tree species. Of about 250 species native to the state, only 92 are described here. These were chosen for their commercial importance, distribution over the state or because of some unusual characteristic. Since the manual is intended primarily for the use of the layman, technical terms have been omitted wherever possible; however, the scientific names of the trees and the families to which they belong, have been included. It might be explained that the species are grouped by families, the name of each occurring at the top of the page over the name of the first member of that family. Also, there is included in the text, a subdivision entitled KEY CHARACTERISTICS, the purpose of which is to give the reader, all in one group, the most outstanding features whereby he may more easily recognize the tree. ACKNOWLEDGEMENTS The author wishes to express his appreciation to the Houghton Mifflin Company, publishers of Sargent’s Manual of the Trees of North America, for permission to use the cuts of all trees appearing in this manual; to B. R. Stogsdill for assistance in arranging the material; to W. -
Voorraad 25-2-2020
Voorraad 25 Voorraad boskoop.nl - boskoop.nl boskoop.nl - - - 2 - 2020 Rijneveld Rijneveld 115 2771 XV Boskoop www.bulk info@bulk anne@bulk Fax.: +31 (0) 172 213 402 Prijzen onder voorbehoud van fouten Prices subject to errors Handelvoorwaarden op onze website - conditions of sale on our website - Handelsbedingungen auf unsere Website ------------------------------------------------------------------------------------- - Planten kunnen worden besteld en opgahald. We kunnen helaas geen postpaketten meer versturen - Plants can be preordered and picked up. Unfortunately we cannot send any postparcels anymore Aantal Naam MvL Maat cm Prijs Quantety Name Rootball/pot. Hight cm kluit/pot 22 Abelia triflora 25-30 C2 € 19,70 124 Abies koreana 20/+ C2 € 11,25 13 Abies numidica 30-40 C3 € 22,50 5 Acaena magellanica plgd P9 € 5,00 1 Acer aff. davidii 50-60 C2 € 16,50 1 Acer aff. palmatum 60-80 KL € 21,85 1 Acer 'Ample Surprise' PBR 100-125 C25 € 75,00 2 Acer 'Ample Surprise' PBR 20-30 C3 € 27,50 1 Acer 'Ample Surprise' PBR 20-30 C3 € 27,50 3 Acer amplum 225-250 KL € 59,50 1 Acer campestre 'Huiber's Elegant' 160-180 C5 € 39,50 1 Acer cappadocicum 'Aureum' 140-160 C12 € 49,50 21 Acer cappadocicum 'Aureum' 40-60 P11 € 10,95 1 Acer carpinifolium SOL C100 € 412,50 2 Acer conspicuum 'Red Flamingo' 150-175 C7.5 € 52,00 1 Acer davidii 100-125 C3 € 18,75 1 Acer davidii 80-100 C10 € 19,95 2 Acer davidii 120-150 C5 € 30,00 30 Acer davidii ('Serpentine'-seedling) 80-120 C2 € 17,50 2 Acer davidii 'George Forrest' 100-125 C2 € 26,90 5 Acer davidii 'George Forrest' -
Chamaecyparis Thyoides)
Disease Resistance and Aesthetic Evaluation of Atlantic White Cedar (Chamaecyparis thyoides) David R. Sandrock, Michael A. Dirr and Jean Williams-Woodward Horticulture and Plant Pathology - Athens, UGA Since the original cross in 1888, Leyland cypress (xCupressocyparis leylandii) has been planted worldwide. Its rapid upright growth and evergreen foliage make it a popular choice among consumers for windbreaks, hedges, screens, specimens and Christmas trees. However, Leyland cypress is susceptible to at least two fungal pathogens, Seiridium and Botryosphaeria. These pathogens cause canker development which leads to the death of branches and eventually kills the plant. This it is necessary to search for an alternative needle evergreen with similar aesthetic characteristics but greater disease resistance. A possible plant for this role is Atlantic white cedar (Chamaecyparis thyoides). My research consists of two objectives. The first is to screen Atlantic white cedar clones for resistance to Seiridium and Botryosphaeria. The second objective is to select superior taxa of Atlantic white cedar for production based on disease resistance, aesthetic characteristics, growth habits and performance in both field and nursery conditions. The disease screening experiment was initialed in the Fall of 1998. Seiridium, Botryodiplodia and Fusicoccum were isolated from infected branches of Leyland cypress and grown in pure culture. Plants for testing were vegetatively propagated during Fall, 1997. The disease resistance screening experiment consisted of 4 completely randomized blocks of 60 one- gallon plants. Each block contained 10 single-plant replications of 5 clones of Atlantic white cedar and one Leyland cypress. Plants were wounded with a wood rasp at a point on the stem measuring approximately 1 cm in diameter. -
Campus Tree Care Plan
2015 Illinois Tree Campus A Tree Care Plan for the University of Illinois at Urbana-Champaign December 30, 2015 Contents Contents .................................................................................................................................................................................... 3 Standard 1: Campus Tree Advisory Committee .................................................................................................................. 1 Background .......................................................................................................................................................................... 1 Campus Tree Advisory Committee .................................................................................................................................. 1 2015 Committee Members ................................................................................................................................................. 2 2015 Meeting Schedule ....................................................................................................................................................... 2 Standard 2: Campus Tree Care Plan...................................................................................................................................... 2 1. Purpose of Tree Care Plan ............................................................................................................................................. 2 2. Responsible Department ............................................................................................................................................... -
New Records of Alien Species in the Ohio Vascular Flora1
New Records of Alien Species in the Ohio Vascular Flora1 MICHAEL A. VINCENT AND ALLISON W. CUSICK, Department of Botany, Miami University, Oxford, OH 45056, and Division of Natural Areas and Preserves, Ohio Department of Natural Resources, Fountain Square, Columbus, OH 43224 ABSTRACT. Examination of specimens of vascular plants from various herbaria, as well as field collections, have revealed 70 taxa not previously reported for Ohio, or previously reported without documentation. This paper documents these new taxa, 44% of which are escapes of woody landscape plants. The specimens cited represent 55 genera in 30 families. Of these, the following genera are first reports for the state: Achyranthes, Albizia, Carthamus, Cercidiphyllum, Cotoneaster, Dactyloctenium, Fontanesia, Gaillardia, Guizotia, Gypsophila, Stenosiphon, Tripsacum, and Zinnia. Cercidiphyllaceae is the only family reported as new for the state. Some taxa cited in this paper represent first reports as escapes for North America. These are Cotoneaster divaricatus (Rosaceae), Fontanesia fortunei (Oleaceae), Magnolia X soulangeana (Magnoliaceae), Magnolia stellata (Magnoliaceae), Viburnum buddleifolium (Capri- foliaceae), and Viburnum x rhytidiphylloides (Caprifoliaceae). OHIO J SCI 98 (2): 10-17, 1998 INTRODUCTION these proved to be new to the state. Specimens were The alien element in the Ohio vascular flora is dynamic. also examined at the following herbaria: BAYLU, BHO, Taxa appear, flourish, and, occasionally, disappear on BGSU, CINC, CLM, CM, DAO, F, GA, GB, GH, ISC, KE, waves of disturbance. Agriculture, transportation, urbani- MICH, MO, MU, NA, NLU, NY, OS, OSH, UAM, UC, US, zation and a host of anthropogenic factors constantly VDB, and VPI (herbarium acronyms from Holmgren and alter habitats and introduce novelties into our flora. -
Number 3, Spring 1998 Director’S Letter
Planning and planting for a better world Friends of the JC Raulston Arboretum Newsletter Number 3, Spring 1998 Director’s Letter Spring greetings from the JC Raulston Arboretum! This garden- ing season is in full swing, and the Arboretum is the place to be. Emergence is the word! Flowers and foliage are emerging every- where. We had a magnificent late winter and early spring. The Cornus mas ‘Spring Glow’ located in the paradise garden was exquisite this year. The bright yellow flowers are bright and persistent, and the Students from a Wake Tech Community College Photography Class find exfoliating bark and attractive habit plenty to photograph on a February day in the Arboretum. make it a winner. It’s no wonder that JC was so excited about this done soon. Make sure you check of themselves than is expected to seedling selection from the field out many of the special gardens in keep things moving forward. I, for nursery. We are looking to propa- the Arboretum. Our volunteer one, am thankful for each and every gate numerous plants this spring in curators are busy planting and one of them. hopes of getting it into the trade. preparing those gardens for The magnolias were looking another season. Many thanks to all Lastly, when you visit the garden I fantastic until we had three days in our volunteers who work so very would challenge you to find the a row of temperatures in the low hard in the garden. It shows! Euscaphis japonicus. We had a twenties. There was plenty of Another reminder — from April to beautiful seven-foot specimen tree damage to open flowers, but the October, on Sunday’s at 2:00 p.m.