Spruce up your yard! With cold-weather hardiness, evergreen beauty and a range of sizes and shapes, the many types of spruce ...

Browse 190+ picea pungens stock illustrations and vector graphics available royalty-free, or search for picea sitchensis or picea mariana to find more great stock images and vector art.

A native Englemann (Picea englemannii) keeps company with three blue spruce (Picea pungens) in a small front yard facing a quiet street. This small tree community towers over a 100-year-old brick farm ...

A university student on a fossil-hunting field trip in Dorset made a stunning discovery: a 145-million-year-old jawbone belonging to a previously unknown mammal species with razor-like teeth. With ...

All about dinosaurs. Read about dinosaur discoveries including gigantic meat-eating dinosaurs, earliest dinosaurs and more. Dinosaur pictures and articles.

Specific thylakoid protein phosphorylations are prerequisites for overwintering of Norway spruce (Picea abies) photosynthesis ...

The impact of black spruce (Picea mariana) plantation on carbon exchange in a cutover peatland in western Canada ...