Author
Timothy Plowman
Pre-Columbian plant migration
Pre-Columbian Plant Migration Symposium (1982 Manchester, England)
Pre-Columbian plant migration
Five new species of Brunfelsia from South America (Solanaceae)
Timothy Plowman
Five new species of Brunfelsia from South America (Solanaceae)
A revision of the South American species of Brunfelsia (Solanaceae)
Timothy Plowman
A revision of the South American species of Brunfelsia (Solanaceae)
Ten new species of Erythroxylum (Erythroxylaceae) from Bahia, Brazil
Timothy Plowman
Ten new species of Erythroxylum (Erythroxylaceae) from Bahia, Brazil
The identity of Amazonian and Trujillo coca
Timothy Plowman
The identity of Amazonian and Trujillo coca
Four new Brunfelsias from northwestern South America
Timothy Plowman
Four new Brunfelsias from northwestern South America
Latua pubiflora magic plant from southern Chile
Timothy Plowman
Latua pubiflora magic plant from southern Chile
Brunfelsia in ethnomedicine
Timothy Plowman
Brunfelsia in ethnomedicine
A new species of Lasiadenia (Thymelaeaceae) from Venezuela
Timothy Plowman
A new species of Lasiadenia (Thymelaeaceae) from Venezuela
A study of systematic wood anatomy in Cannabis
Loran C. Anderson
A study of systematic wood anatomy in Cannabis
Heliconia zebrina
Timothy Plowman
Heliconia zebrina
New taxa of Erythroxylum (Erythroxylaceae) from the Amazon Basin
Timothy Plowman
New taxa of Erythroxylum (Erythroxylaceae) from the Amazon Basin
All 15 works
Four new species of Erythroxylum (Erythroxylaceae) from northwestern Brazil
Timothy Plowman
Four new species of Erythroxylum (Erythroxylaceae) from northwestern Brazil
Botanical perspectives on coca
Timothy Plowman
Botanical perspectives on coca
The South American species of Brunfelsia (Solanaceae)
Timothy Plowman
The South American species of Brunfelsia (Solanaceae)
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