Waterplants of New South Wales. With major contributions on biological control by K.L.S.Harley, Freshwater Algae by Valerie May, Carp, Crayfish and Water Rat by K.Shearer, Eutro- phication by Kathleen H.Bowmer. 1981. many col.illustrations. 550 p. gr8vo. Cloth.

This book is designed as a practical adjunct to botanical texts, themain Australian work being Aston's "Aquatic Plants of Australia". Therange covered here includes grasses, sedges, sea grasses and a contributed section on common freshwater algae. In addition there is asection describing insects introduced to Australia to control noxiouswaterplants. - Contents: Introduction/ How to use this Book/ How to usea Botanical Key/ Plant Specimens-Collection for identification/ Keys toWaterplants: 1-Primarily floral characters/ 2-Primarily vegetativecharacters/ 3-Pictorial-Primarily using drawings/ Map of New South WalesBotanical Subdivisions/ Waterplants-Identification Guide/ Alismataceaeto Zosteraceae/ Waterplants in Ricefields/ Seeds of Waterplants/Freshwater Algae/ Carp, Crayfish and Water Rat/ Little Basket Shell/ Iron and Manganese Bacteria/ Biological Control/ Eutrophication-NutrientEnrichment/ Aquatic Plant Management/ Glossary/ Leaf, flower forms/Index.