He collected plants for scientific study from the years 1922 to 1980.

The children are collecting plants to go into the garden.

He continued to collect plants every summer (1912-1959) without any financial support.

Eventually, his main focus involved collecting plants from the region.

I had been collecting plants with don Juan all day.

I collect plants the way some people take in stray dogs.

He devoted his free time to collecting plants from the mountains.

He began his long relationship with nature by collecting rocks, bark and plants.

Here I stopped for some time catching butterflies and collecting plants.

Waterhouse had to leave all his carefully collected plants and animals.