PubMed Mobile is a database with more than 21 million citations for biomedical articles and life science journals. Search by theme, view abstract link to full article, post comments and write notes for yourself.
Plant-O-Matic is an app that features over 88.000 plant species for any location in the Americas. It includes high quality images and detailed descriptions. You can use its filters to identify and learn about plants.
Easy Leaf Area is an app that measures leaf areas in just seconds. Just place a 4 cm2 red piece of paper next to the desired leaf and take a picture. The app will calculate leaf area automatically from green leaf and red scale areas.
Canopy Cover is an app that measures the percentage of canopy using your device's camera and in a non destructively way. Adjust the sliders to correctly identify canopy area, take a picture and automatically calculates the area.