Flora of North America—
authoritative information on
names, descriptions,
distributions, habitats, and
taxonomic problems.
WHAT are we doing?
We are making information on the plants
of North America available in a series of
books and online.
Total series:
Target completion:
30 volumes
2012
Published to date: 15 volumes covering 141 families,
1412 genera, and 8778 species. Volumes 1—5, 8, 18—27
have been published.
Included: All native and naturalized vascular plants and
bryophytes in North America north of Mexico, including
Greenland.
Contents of published volumes, and completed
manuscripts in future volumes, are available at
www.fna.org and through efloras.org. Other online
resources for North American plants link to FNA
content. Examples are USDA PLANTS and Lady Bird
Johnson Wildflower Center.
Information on more
than 1000 taxa of
conservation concern
provided to date.
WHO uses Flora of North America?
FNA is used as a reliable source for the correct name to
use for a species, for comparative descriptions, and for
general distributions. It is used especially by nonbotanists and frequently is cited in papers on pollinators,
invasive plants, biogeography, and conservation. FNA
provides the most comprehensive information on nonnative species in North America.
FNA stimulates research and publication of findings.
Many species that are rare and have been known about
for a long time are finally published so they can be
included in FNA. Publication of an FNA volume provides
the context to evaluate and publish new distribution
records.
Since 2000 more than 350 new North American plant
taxa have been described, many as a result of FNA work.
NO other work or online reference provides names,
literature, descriptions, and identification keys for these
plants throughout their range in North America.
WHO is doing the work?
Project team:
900++ botanists
Authors, reviewers, editors work at home institutions.
Lead editorial centers located at Missouri Botanical
Garden, Hunt Institute for Botanical Documentation,
University of Montreal, University of Kansas.
Bibliographic center is at the Hunt Institute;
nomenclatural center is at Harvard University.
WHERE does the information come from?
22. Calochortus greenei S. Watson, Proc. Amer. Acad. Arts. 14: 264. 1879. Greene’s
mariposa-lily
Authors review previous literature, examine specimens,
draw on their own research and field knowledge. More
than 70 regional reviewers check for local accuracy.
Stems usually branching, 1–3 dm. Leaves: basal persistent, ca. 2 dm; blade
glabrous adaxially. Inflorescences 1–5-flowered. Flowers erect; perianth open,
campanulate; sepals 25–30 mm; petals purplish, with darker purple abaxial
crescent distal to gland, 30–40 mm, not ciliate at base, ± hairy; glands deeply
depressed, bordered proximally by wide ciliate membrane, distally by short hairs.
Capsules erect, 3-winged, ellipsoid, 20–25 mm. Seeds irregular.
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Flowering mid summer. Shrubby hillsides, open woodlands, dry soils and slopes; of
conservation concern; 700--1100 m; Calif., Oreg.
Peggy Fiedler was the author of the FNA treatment of Calochortus for Volume 26.