Some have contracted with academic botanical gardens to obtain plant samples.

This meant that researchers could obtain local knowledge from one country and plant samples from another.

"Your plant sample," he said, handing it over to Sulu.

Alfray joined them, frowning, the plant samples in his hand.

Whittaker collected further plant samples while the boat was in these harbours.

"You can't find plant samples flying through the air."

Developing the ability to identify and process plant samples will add value to a country's resources, the report says.

We've actually been running experiments on some plant samples, and the results are promising.

He was a botanist and agriculturalist who collected plant samples.

His knowledge resulted in the collection of hundreds of plant samples for this important endeavor.