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Haplopappus macrocephalus

National Institutes of Health

Papers overview

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Highly Cited
2006
Highly Cited
2006
Antioxidant activity of coumarins and flavonols from the resinous exudate of Haplopappus multifolius.
2005
2005
Antioxidant properties and TLC characterization of four Chilean Haplopappus-species known as bailahuén.
2003
2003
Two new O-geranyl coumarins from the resinous exudate of Haplopappus multifolius.
2003
2003
Antibacterial new clerodane diterpenes from the surface of Haplopappus foliosus.
A biologically monitored fractionation of the resinous exudate extract of Haplopappus foliosus DC. is reported. Purification of… 
2002
2002
New terpenoids from Haplopappus multifolius.
The chemical investigation of the aerial parts of Haplopappus multifolius afforded the new monoterpene 2,9-epoxy-p-menth-6-en-8… 
1988
1988
Allozyme and quantitative life history variation among populations and ecological races of "Haplopappus gracilus" (Compositae)
1983
1983
Haplopappus crispus new species and haplopappus zionis new species asteraceae from utah usa
Highly Cited
1983
Highly Cited
1983
Seed Predation and Seedling Mortality in the Recruitment of a Shrub, Haplopappus venetus (Asteraceae), along a Climatic Gradient
Haplopappus venetus is a characteristic shrub of the coastal sage scrub of southern California. Its relative frequency decreases… 
1976
1976
Haplopappus enormideus (Compositae), a new species from Baja California, Mexico
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