Revision of Trillium subgenus Phyllantherum (Liliaceae)

@article{Freeman2008RevisionOT,
  title={Revision of Trillium subgenus Phyllantherum (Liliaceae)},
  author={John D. Freeman},
  journal={Brittonia},
  year={2008},
  volume={27},
  pages={1-62}
}
A taxonomic revision, based mainly on morphological and distributional criteria, is presented for all taxa ofTrillium subgen.Phyllantherum Raf., which is characterized by sessile flowers. The 22 species recognized as valid include 17 morpho-geographical species in the eastern United States and five in the northwestern United States and California. These species form three morphological alliances that are characterized informally as “species groups.” All the taxa are described, and a key to… 

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References

SHOWING 1-10 OF 28 REFERENCES
KARYOTYPE DIFFERENTIATION IN TRILLIUM SESSILE AND T. OVATUM IN THE WESTERN UNITED STATES
TLDR
The purpose of this paper is to compare the pattern of chromosome differentiation in Trillium sessile and T. ovatum in relation to the size, history, and breeding structure of the populations.
C. S. Rafinesque’s North American vascular plants at the Academy of Natural Sciences of Philadelphia
TLDR
This paper summarizes the information on the labels of 275 specimens of Rafinesque’s vascular plants from the United States and Canada that are known to exist at the Academy of Natural Sciences in Philadelphia.
Karyotypes and morphological variation in the sessile-flowered trilliums of North Carolina
TLDR
Six populations of apparently morphologically similar sessile-flowered Trillium observed growing at elevations between 800 and 1700 ft in the Appalachians of western North Carolina and eastern Tennessee exhibit a wide range of variability by observation.
Wildflowers of Alabama and Adjoining States
There are perhaps 3,000 species of flowering plants in Alabama, and the geography of the state provides for an impressive diversity this work records in color photographs and brief but practical
The New Britton and Brown Illustrated Flora of the Northeastern United States and Adjacent Canada, Volume 2.
The new Britton and Brown illustrated flora of the Northeastern United States and adjacent Canada , The new Britton and Brown illustrated flora of the Northeastern United States and adjacent Canada ,
Manual of the southeastern flora
TLDR
B & L Ultra Violet Optics which give 12% to 19% greater resolution in photomicrography by utilizing the short wavelengths of the Ultra Violet.
...
...