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1980

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Articles 181 - 197 of 197

Full-Text Articles in Botany

Flowering Plants: Willows To Mustards, Robert H. Mohlenbrock Jan 1980

Flowering Plants: Willows To Mustards, Robert H. Mohlenbrock

Illustrated Flora of Illinois

This eighth volume in the comprehen­sive Illustrated Flora of Illinois series is the seventh volume devoted to flowering plants (the eighth volume is devoted to ferns) and the second treating dicotyledons, which include such well-known plants as roses, peas, mustards, mints, nightshades, milkweeds, and asters. The previous volume on dicots, Flower­ing Plants: Hollies to Loasas, was pub­lished in 1978.

In the present volume, Mohlenbrock includes three orders of vascular plants encompassing five families. The orders are Salicales and Tamaricales, of the Salicaceae and Tamaricaceae families, and Capparidales, of the Capparidaceae, Re­sedaceae, and Brassicaceae families. In all, 44 genera and 117 …


Report No 40 - Commercially Exploited Vacsular Plants Native In Western Australia: Census, Atlas And Preliminary Assessment Of Conservation Status, Barbara L. Rye, S. D. Hopper, L. E. Watson Jan 1980

Report No 40 - Commercially Exploited Vacsular Plants Native In Western Australia: Census, Atlas And Preliminary Assessment Of Conservation Status, Barbara L. Rye, S. D. Hopper, L. E. Watson

Fisheries Research Reports

A census and atlas is provided of 1 119 native Western Australian plant species which were commercially exploited during 1977-79 in the cut plant, nursery or seed trades. The exploited species are concentrated in the vicinities of Perth and Albany, the two matin centres for the wildflower industry. Preliminary assessments of the conservation status of the exploited species are provided. Approximately r200 species are regarded as being rare, geographically or poorly collected, and further studies are recommended for these species to determine whether they are in danger of overexploitation.


Verbena Hastata L., R. N. Riegel Harrison Jan 1980

Verbena Hastata L., R. N. Riegel Harrison

Specimens by Name

No abstract provided.


Fisheries Report No 39 - The Wildlife Of The Proposed Toolonga Nature Reserve, Shark Bay Shire, Western Australia, A. A. Burbidge, P. J. Fuller, K. Cashin Jan 1980

Fisheries Report No 39 - The Wildlife Of The Proposed Toolonga Nature Reserve, Shark Bay Shire, Western Australia, A. A. Burbidge, P. J. Fuller, K. Cashin

Fisheries Research Reports

Following a Cabinet endorsed recommendation by the Environmental Protection Authority in 1975, an area of vacant Crown Zand (the Toolonga Area) was examined during April and September, 1978.

The geology, soils and vegetation of the area are described and annotated lists of mammals, birds, amphibians and reptiles are presented. A small part of the area lies in the South West Botanical Province (Irwin District) but most is in the Eremaean Botanical Province (Carnarvon District). The vertebrate fauna is a mixture of south-western, Shark Bay and arid zone species, but the last predominate.

The Toolonga Area provides an opportunity to protect …


Further Concepts In Ecological Wood Anatomy, With Comments On Recent Work In Wood Anatomy And Evolution, Sherwin Carlquist Jan 1980

Further Concepts In Ecological Wood Anatomy, With Comments On Recent Work In Wood Anatomy And Evolution, Sherwin Carlquist

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.


Petal Epidermal Dimorphism And Uv Absorption In Anthochlor-Pigmented Flowers, Ron Scogin, Patricia Rogers Jan 1980

Petal Epidermal Dimorphism And Uv Absorption In Anthochlor-Pigmented Flowers, Ron Scogin, Patricia Rogers

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.


Anatomical Diversity In Roots Of Seven Species Of Abronia From California And Its Ecological Implications, Janet S. Webster, Ruth C. Wilson Jan 1980

Anatomical Diversity In Roots Of Seven Species Of Abronia From California And Its Ecological Implications, Janet S. Webster, Ruth C. Wilson

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.


Botanical And Ecological Aspects Of Coastal Raised Peatlands In Maine : And Their Relevance To The Critical Areas Program Of The State Planning Office, Ian A. Worley Jan 1980

Botanical And Ecological Aspects Of Coastal Raised Peatlands In Maine : And Their Relevance To The Critical Areas Program Of The State Planning Office, Ian A. Worley

Maine Collection

Botanical and Ecological Aspects of Coastal Raised Peatlands in Maine : and Their Relevance to the Critical Areas Program of the State Planning Office.

by Ian A. Worley

A Report Prepared for the Maine Critical Areas Program, State Planning Office, 184 State Street, Augusta, Maine 04333.

Planning Report No. 69 (January 1980)

Contents: Foreword / Abstract / Table of Contents / List of Figures / List of Tables / Acknowledgements / Introduction / Natural History and Ecology of the Coastal Raised Peatlands / Selection of Coastal Peatlands Recommended for Evaluation by the Critical Areas Program / General Evaluation of Coastal …


Serotaxonomy Of Simmondsia Chinensis (Simmondsiaceae), Ron Scogin Jan 1980

Serotaxonomy Of Simmondsia Chinensis (Simmondsiaceae), Ron Scogin

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.


Productivity, Depletion, And Natural Selection Of Salvia Columbariae Seeds, Robert D. Brayton, Brian Capon Jan 1980

Productivity, Depletion, And Natural Selection Of Salvia Columbariae Seeds, Robert D. Brayton, Brian Capon

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.


Remnant Prairie In Faulkner County, Arkansas?, Donald E. Culwell Jan 1980

Remnant Prairie In Faulkner County, Arkansas?, Donald E. Culwell

Journal of the Arkansas Academy of Science

No abstract provided.


Use Of An Outdoor Lab In Teaching Botany, Jewel E. Moore Jan 1980

Use Of An Outdoor Lab In Teaching Botany, Jewel E. Moore

Journal of the Arkansas Academy of Science

No abstract provided.


Analyses Of Illinois Wild Turkey Habitat And April Foods, Kim D. Price Jan 1980

Analyses Of Illinois Wild Turkey Habitat And April Foods, Kim D. Price

Masters Theses

A vegetative analysis of turkey habitat was conducted in Alexander, Jackson, Union, and Calhoun Counties, Illinois. From these studies it was determined that turkeys inhabit relatively open stands of timber with agricultural fields and forest clearings in close proximity. Species of Quercus comprise approximately 40% or more of the tree species sampled, with Q. alba, Q. rubra, and Q. velutina being the most dominant. Found growing in association with Quercus are species of Carya, Cornus florida, Acer saccharum, Sassafras albidum, Fraxinus americana, and Ulmus rubra, in varying concentrations. The examination of food …


A Taxonomic And Ecological Study Of The Lichens Of "Rocks Park" In Coles County, Illinois, Robert Arthur Williams Jan 1980

A Taxonomic And Ecological Study Of The Lichens Of "Rocks Park" In Coles County, Illinois, Robert Arthur Williams

Masters Theses

The lichen flora of "Rocks Park", Coles County, Illinois, was studied extensively. The tract (sec 17, T12N,R10E), which is located in east-central Illinois, was selected for study because of its diversity of habitats for lichen growth. A literature review of the studies of the lichens of east central and southern Illinois and nearby Indiana is included. The area is heavily dissected by the Embarrass River and a few small tributaries. The major vegetation type is oak-hickory forest. This tract was found to have four distinct habitats with different lichen associations. The habitats described are the following:

  1. Open Field Area
  2. Sparsely …


Some Optimal Growth Media For Use In The Botany Classroom, Marshall D. Sundberg Jan 1980

Some Optimal Growth Media For Use In The Botany Classroom, Marshall D. Sundberg

Journal of the Minnesota Academy of Science

Cultures of various bacteria and fungi are often used in introductory botany classes. In most cases the students are simply asked to examine these colonies or to prepare a microscope slide. Directions are given in this paper for the preparation of optimal growth media which may be consumed by the student. This provides a new twist to otherwise routine laboratory exercises.


Arapaho Prairie, Arthur County, Nebraska: Approximate Ap Grid For Gis, Kathleen H. Keeler, A. T. Harrison, L. S. Vescio Jan 1980

Arapaho Prairie, Arthur County, Nebraska: Approximate Ap Grid For Gis, Kathleen H. Keeler, A. T. Harrison, L. S. Vescio

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Grid map of field sites at Arapaho Prairie in Arthur County, Nebraska. Scale 1 5/16" = 1/4 mile. Shows permanently marked vegetation quadrats, blowouts and ravine washouts, roads, and 100' contour intervals. Part of the map was destroyed by mice. What remains of the map as of 2013 is shown.


The Illinois Ferns Of Coles, Clark, And Cumberland Counties, Bill N. Mcknight Jan 1980

The Illinois Ferns Of Coles, Clark, And Cumberland Counties, Bill N. Mcknight

Masters Theses

A study of the ferns in East Central Illinois was conducted between the spring of 1976 and the spring of 1980. The counties surveyed were Coles, Clark, and Cumberland. The majority of the field investigation was conducted near the moraines and waterways which dissect the area.

Keys are provided for the families, genera, and species. There are also descriptions and illustrations for each species considered. The description covers the gross external morphology and any variations that occur. Also included are habitat preference and local distribution data. In addition, there are ethnic comments dealing with the derivation of both folk and …