Electronic files provided by the Biota of North America Program via the USDA Plants database
represent the only current information available regarding the vascular plant diversity of Texas
and the southwestern United States. As part of its academic mission, the TAMU Herbarium is working
with various systems that function to expand expression and analysis of floristic data. This
checklist enterprise involves a file download from the Plants Database website, conversion of the
downloaded text file (http://plants.usda.gov/java/stateDownload?statefips=US48) to an excel
spreadsheet, output from the spreadsheet to to an ascii file that is delimited to allow attachment
to a GURU database table, usdalist.itb (http://www.mdbs.com/prod_guru.htm). The program 'texcheck.ipf', written
by TAMU curator Hugh Wilson, walks through this table and produces an HTML page for each vascular
plant family present in the Texas flora. Page production involves parsing to format names and
out links and also the production of a new table (usdafams.itb) that carries the vascular plant family name and
a genus, species, subspecies, and variety count for each family. The program uses the Plants Database
taxon code to query GURU data tables derived from Plants data for Louisiana, Arkanas, Oklahoma and New Mexico
to produced the distribution statment that follows each name in the listing. Once pages are printed, this table
is expanded with higher-level taxonomic tags, based mostly on the Cronquist System of classification,
sorted, and used to print the base page of the system.
The final action of the program is to produce this page, which at this point in time is descriptive.
However, as development proceeds, statistical summaries will be placed here.
This page was machine-generated using data downloaded in October of 2008 from the Plants Database
processed by the program texcheck.ipf on: 01/15/09.
Return to Taxonomy of Flowering Plants or
Plants and People.