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FLORA OF NORTH AMERICA - Newsletter - Vol 12, No 1
... impediment. Priorities for systematics collections are "to extend focused collections in less studied taxonomic groups and selected geographical areas; to develop a mechanism for establishing priorities ... scientific names of organisms used to access this information, is promoted; and that useful taxonomic products are prepared on local, national, and regional levels." The workshop participants noted ...
hua.huh.harvard.edu

Reference and Attributions
... Bell (1968) No pretty pictures, but a very useful taxonomic and descriptive reference with line drawings of ... useful than the Audubon Insect Guide IMO. Excellent black and white drawings - some grade it down for its lack of color but color is not a particular useful taxonomic ... , along with useful links and taxonomic definitions. Caterpillar Host Plants Database A useful searchable worldwide database ...
sparkleberrysprings.com

MBG: Research: Projects: South America: Venezuelan Guayana
... frequently conspicuous and provide a useful taxonomic character. Presence or absence of zones of peltate glands at the nodes, or less frequently at the petiole apex is also useful; these glandular zones, however ...
www.mobot.org

cactus-books.com: Bradleya 1 / 1983, Yearbook of the British Cactus and Succulent Society by BCSS
... IVb = Hymenorebutia. Chamaecereus silvestrii is attached here as group IVc (Echinopsis chamaecereus nom.nov.). Useful seed characters for this grouping were the size and the outline of the seed, ... patterns of the testa caused by cuticular pleatings. Apart from nine new combinations, formal taxonomic changes, though suggested, are postponed until a monographic treatment brings additional facts. 10. A ...
cactus-books.com

Hunt Institute: Plant Taxonomic Database Standards
... Taxonomic Database Standards Publications Plant Taxonomic Database Standards This series presents standards for formatting botanical data, prepared by the International Working Group on Taxonomic Databases for Plant ... of names, and reference citations—and provides recommendations. This standard is useful for taxonomic reference databasing but may also meet the databasing needs of natural-history ...
huntbot.andrew.cmu.edu

7. Taxonomic Treatments
... , tribe, subtribe, subgenus, section, subsection, series, and subseries) should be used sparingly. They may be useful for certain large families (e.g., Asteraceae and Fabaceae) or genera (e.g., Carex). For ... alternate leaves, this character state will not be repeated in the descriptions of the lower taxonomic units). In general the treatments at each level will be as follows: a. Families: The ...
hua.huh.harvard.edu

International Working Group on Taxonomic Databases (TDWG)
... International Working Group on Taxonomic Databases (TDWG) TDWG Subgroup on Accession Data Preparing for a Collection Data Standard The knowledge ... , Botany, Phycology, Lichenology, Paleontology, and Microbiology, came to the following conclusions: It is possible and useful to formulate a common backbone datastructure covering diverse biological fields Descriptive data have to be ...
www.bgbm.org

cactus and succulent plant mall - useful internet resources
... plant mall - useful internet resources Related useful resources The following links contain useful resources for those interested in cacti and succulents in the field of botany, geography ... TAXON International Code of Botanical Nomenclature (ICBN) Google maps Missouri Botanical Garden / Tropicos Taxonomic information on plants including Cacti Natural Selection NBI pages (South African Plants) Stock ...
www.cactus-mall.com

Dictionaries: Literature Useful To The Study Of Florida Plants
... Useful To The Study Of Florida Plants Literature Useful To The Study Of Florida Plants Dictionaries NOTE: This ... Co. Ltd., Newcastle-upon-Tyne, England. 293 p. Featherly, H.I. 1954. Taxonomic terminology of the higher plants. The Iowa State College Press, Ames, IA ... , London, England and New York, NY. xxii, 1245, lxvi p. Literature Useful to the Study of Florida Plants [top of page] Last content ...
www.flmnh.ufl.edu

Other useful links
... Other useful links Other useful links Plasmodiophorid sites Spongospora home page (Ueli Merz, Zurich) Plasmodiophorid Home Page (Jim Braselton, Ohio) Wider taxonomic groupings Other Databases Related to Protistology (Montreal) Tree of Life (Arizona ...
www.rothamsted.ac.uk

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