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Helianthus nuttallii
Phylogenetic Models Linking Speciation and Extinction to Chromosome and Mating System Evolution
"National List of Vascular Plant Species That Occur in Wetlands: 1996 National Summary."
A General Idea About Phytomelanin Layer in Some
Literature Cited
Characterization of Hybrids from Crosses Between Cultivated Helianthus Annuus L
VASCULAR PLANTS of MINNESOTA a Checklist and Atlas
Sunflower CGC Minutes
Appendix O – Biological Resources Technical Memorandum and Tree Removal Plan
Annotated Checklist of the Vascular Plant Flora of Grand Canyon-Parashant National Monument Phase II Report
Waterton Lakes National Park • Common Name(Order Family Genus Species)
High Frequencies of Triploids Obtained from Interspecific Crosses Involving
Copyright by Ruth Evangeline Timme 2006
FERNS and FERN ALLIES Dittmer, H.J., E.F
UC Berkeley UC Berkeley Electronic Theses and Dissertations
Sensitive Plant Species Surveys: Santa Clara River" (2004; 2004A) SENSITIVE PLANT SPECIES SURVEYS
Threats and Concerns the Main Threats to This Species Are Oil And
Compositae Newsletter 2, 1975) Have at Last Been Published As Heywood, V.H., Harborne, J.B
Biological Assessment Report
Top View
Evaluating an Interspecific Helianthus Annuus × Helianthus Nuttallii Line for Use in Sunflower Breeding Program
Checklist of Vascular Plants of the Southern Rocky Mountain Region
Appendixes, Comprehensive Conservation Plan, Red Rock Lakes National Wildlife Refuge
Appendix B Biological Resources Technical Report
Annotated Checklist of Vascular Flora, Black Canyon of The
A Preliminary Global Red List Assessment of Selected Crop Wild Relatives: Conservation Status, Analysis and Implications
Annotated Checklist of Vascular Flora Dinosaur National Monument
Asteraceae of Alberta
NRCS: Plants for Pollinators in the Intermountain West
Helianthus Inexpectatus (Asteraceae), a Tetraploid Perennial New Species from Southern California David J
Special Vascular Plants, Bryophytes, and Lichens List
Coefficient of Conservatism Rankings for The
Vascular Plant Species Discoveries in the Northern Colorado Plateau Network Update for 2008–2011
Biology Literature Review Results
Conservation Priorities for Tree Crop Wild Relatives in the United States1
Rare Plant Survey for Helianthus Sp.; Castaic Junction" (2002; 2002C) RARE PLANT SURVEY for HELIANTHUS SP
Epidemiology and Biology of Powdery Mildews and Their Host Plants
Annotated Checklist of Vascular Flora Zion National Park