Nitrogen is an essential macronutrient for plants – they cannot complete their life cycle without it – and is needed in relatively large amounts.

The new “Editor’s Choice” section of the AoB PLANTS website features especially noteworthy papers of broad interest to the scientific community.

One important function of calcium is the part it plays in the water-splitting reaction of photosynthesis.

The Plant Science TREE is an on-line teaching tool giving access to inspirational educational resources from the research community.

Phragmites australis (the common reed) is widespread though not native in many regions of the World, including North America.

Pollen is not a gamete. It’s a spore.

Plants breathe through their stomata – so how do they manage to keep pathogens out?