WORLD BOTANICAL ASSOCIATES

Holacanthone





 Holacanthone

Conocurvone, anti-HIV active agent from Conospermum
             Conocurvone


Vermilacinia johncassadyi


Conospermum unilaterale

PO Box 81145
Bakersfield, California
93380
Phone: 661-587-0214
Mobile: 661-342-9563

Phone/Fax 661-589-5369

Richard Spjut, Principal Investigator
richspjut@gmail.com

Expeditions

 

 

 

Plants for Pharmacological Screening
 

Samples
                           
                               

Random Samples collected with limitation only to avoid duplication of species, sometimes referred to as “biodiversity sampling” or “biodiversity prospecting.”   
Systematic  Samples obtained according to phytogeographic and taxonomic criteria,  and by emphasis on plant parts most likely to show activity.  Cost according to limitations.
Folklore Collections guided by ethnobotanical data, either by working directly with local practitioners, or by reports in literature.   

                              


                                                                                                                                                     

Recollections 

Taxus brevifolia (Pacific yew) stem-bark

 Extracts and Screening

Taxol in various stages of preparation

                             

1.  Plant Procurement Data on Antitumor Active Plants from the United States (1960–1982)  

2. Baja California Plants Screened for Antitumor Activity

3. Plants Used As Anthelmintics, Fish Poisons, Arrow Poisons Screened For Antitumor Activity

4. Bryophytes Collected for Antitumor Screening
 

 

Photographs and Reports of Plants from Around the World

  Africa                  Australia                      North America

                             

Taxonomic Reports*

 

Carex 

1.  Key to 44 Species of Carex
    
on the Beltsville Agricultural
     Research Center, Maryland. 
  

Lichens 

2  Mobergia
     Niebla
     Vermilacinia

     Review: Lichen Flora of the
         Greater Sonoran Desert Region

Fruit and Seed Terminology

3 A Systematic Treatment 
     of Fruit Types.

 

  4.  Review: Fruits and Seeds of Brazil Dicots

 Taxus  

  5.  Nomenclatural and Taxonomic Review
      of Three Species and Two Varieties of Taxus
      
(Taxaceae) in Asia 
Table 1.

 6.  Keys and Descriptions for Species of Taxus 

             Introduction to Taxonomy of Taxus

             North America.  Includes stomata data for 
             herbarium specimens plotted on map of North America.

             Species Groups and Subgroups (Classification,
             WBA Online Herbarium of Taxus Images)