Web pages I've found useful, interesting, or
entertaining, organized by topic.
US in general:
Flora of North America
Keys, species descriptions, ranges, etc., for all plants of the continental US and
Canada. Or at least, once it's finished. So far, 15 of 26 volumes are completed and
available online, with several more soon to be published.
The International Plant Names Index
A great first stop for nomenclatural history of plants, although with the immensity of IPNI's
task comes limited editorial oversight...
USDA PLANTS Database
A database of plants of the US with distribution information, some synonymy listings, and
images of some taxa.
Images and information about the flora of southwestern Colorado.
Plants of the Gila National Forest, photographed by Russ Kleinmann of Silver City.
Plants primarily in & around the Florida Mountains, photographed by Gene Jercinovic of
The name says it all.
Tempting as it is to exclude southern California from the
southwest on cultural grounds, I have to include it on botanical grounds.
UT Flora of Texas
Allows you to search the Texan holdings of herbaria located in Texas.
Allows you to search the holdings of a variety of herbaria in the southwest, including those
in New Mexico, Arizona, and some from Colorado, Sonora, & Utah.
Midwest and Northeast:
Pictures and information about 1000 or so plants found in Missouri. An excellent web
Pictures and information about many of Connecticut's plants, as well as various bits of
information about the society.
A web page for the flora of Wisconsin, presented by the Wisconsin State Herbarium.
Includes maps of recent precipitation, including such useful things as total
precipitation over the last 30 & 90 days and how this compares to average precipiation.
USFS: Wildland Fire
Assessment System: Greenness
Includes maps showing departure from average greenness, a good metric of whether
botanizing in various areas is likely to be better or worse than average.
Western Regional Climate
Here you can access historical average climate data for long-term weather monitoring
stations throughout the western U.S.
The Thinking Meat
A web site run by my mother, Mary Hrovat, concerned with the conflict between
consciousness and mortality.
The home page of my brother, Greg Alexander, a programmer with odd opinions and baffling
Home of the web's greatest animated humor.
Searchable online topographic maps. It is nearing what Topozone used to be.
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