Field Work, Herbaria, Databases, Floras, and Monographs for Plant Systematics. Spring 2013. Systematics. Science of organismal diversity Discovery, description and interpretation of biological diversity Discovery and description of the evolutionary tree of life (phylogeny)
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Field Work, Herbaria, Databases, Floras,
and Monographs for Plant Systematics
Collecting bamboo leaf samples for DNA
(DNA usually requires a special permit)
Specimens are stored in the herbarium
A herbarium is a plant library,
containing pressed and dried
plant and fungal specimens.
Cofre del Perote,
These plants are now
part of the living bamboo
collection at the
Clavigero Botanical Garden,
Instituto de Ecología,
Buds and leaves and other parts
as appropriate may be preserved
in alcohol for anatomical study
Leaves in silica gel
for DNA extraction
Ada Hayden Herbarium
Iowa State University
USDA PLANTS Database
Collections of Chusquea serpens from Costa Rica
Chusquea latifolia drawings
It’s all about
Description and mapping of a new species
Chusquea species description per decade
A new bamboo native to the U.S.A.
described in 2006
We still don’t know our own flora completely!
Flora of North America
A flora is a taxonomic treatment of plant diversity
in a given region or political unit or habitat.
Grasses of Iowa
A monograph is a
of a particular taxon,
usually a family or genus
or subdivision of one of