Smithsonian National Museum of Natural History

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Dept. of Botany
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Researchers should select 4 individuals per species for sampling the plot. Tissue from tender leaves is preferable for silica gel drying. Duplicate herbarium specimens from one individual is recommended. Please note which individual was used for the voucher samples.

Sampling for tissues

Note: If 4 individuals from the sample plot cannot be sampled, tissue from herbarium specimens less than 20 years old can be sent to augment the sample size. Please check with host herbarium regarding destructive sampling.

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