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Helianthus verticillatus

Known as: Helianthus verticillatus Small 
National Institutes of Health

Papers overview

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2020
2020
Helianthus verticillatus (Asteraceae), whorled sunflower, is a perennial species restricted to a few locations in the… 
2015
2015
Platysiphon verticillatus, a brown alga endemic to the Arctic, was described based on vegetative specimens collected at… 
2015
2015
A synthetic design of (±)vertine and (±)-lythrine was described, and the intermediate, N-protected 2-methoxypiperidine, was… 
2010
2010
Knowledge of population size is an important step for identifying populations of immediate conservation concern. However, this… 
2009
2009
Stipa purpurea is among constructive endemic species in alpine meadow and steppe on the Qinghai–Tibet Plateau. To reveal the… 
Highly Cited
2008
Highly Cited
2008
A variety of questions in population and evolutionary biology are studied using chloroplast DNA (cpDNA). The presumed maternal… 
Review
2006
Review
2006
Expressed sequence tag (EST) databases represent a potentially valuable resource for the development of molecular markers for use… 
2000
Highly Cited
1997
Highly Cited
1997
There is growing evidence that many self-compatible plants control the level of self-fertilization with postpollination processes… 
Highly Cited
1994
Highly Cited
1994
The mating systems of self-compatible plants may be vulnerable to ecological factors that influence pollen transfer. Post…