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Conservation Status

American Bamboos on the 1997 Red List

KEY TO CODING
Standard type - lesser interest
Italic type - medium interest
Bold Type - greater interest
Extinct (Ex) Endangered (E) Vulnerable (V) Rare (R) Indeterminate (I)

AMERICAN BAMBOO SPECIES
Chusquea aperta (V) Mexico
Chusquea bilimekii (V) Mexico
Chusquea fernandeziana (V) Juan Fernandez
Chusquea latifolia (E) Colombia
Chusquea longiligulata (V) Costa Rica

Chusquea pohlii (E) Costa Rica
Cryptochloa decumbens (V) Panama
Cryptochloa dressleri (V) Panama
Froesiochloa boutelouoides (E) French Guiana
Guadua calderoniana (E) Brazil
Olmeca recta (I) Mexico

Olmeca reflexa (I) Mexico
Olyra filiformis (E) Brazil
Olyra latispicula (E) Brazil
Pariana parvispica (V) Costa Rica
Pariana strigosa (E) Panama
Rhipidocladum clarkiae (E) Costa Rica

Rhipidocladum maxonii (V) Costa Rica
Rhipidocladum pacuarense (E) Costa Rica
Streptochaeta angustifolia (EX) Brazil
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Below is a quote concerning some of the issues:

“It is likely that there are some “endangered” woody bamboo species (or genera) in Brazil, particularly those that are found in the severely intervened coastal forests and in highly specialized ecosystems such as the mountains outside of Rio de Janeiro. Based on the distribution maps in American Bamboos, this list certainly includes species of Alvimia, Criciuma and Eremocaulon (coastal forests) and Glaziophyton (Serra dos Orgoaos), and probably species of Athroostachys, Atractantha, some Aulonemia and Colanthelia.

We don’t know an awful lot about the distribution and ecology of these species and others (even more widespread Amazonian and Andean species) to determine their conservation status, but the geographically restricted genera mentioned above are certainly under pressure. Furthermore, with many bamboos it is hard to determine if natural populations are endangered as we can’t easily determine where one individual ends and the next one begins nor do we have information about genetic diversity.

One needs to be careful about publishing information about potentially endangered species as citing specific locations may provide impetus and knowledge to ambitious collectors to go out and get specimens from remnant populations. I recall our discussion about this (with Clark, Judziewicz, LondoƱo) years ago when we were putting together American Bamboos. We opted for silence then but perhaps this position needs to be reassessed.” -Dr. Margaret (Peggy) Stern