Global Phenological Monitoring
- Gathers links and information on phenological research and data sets.
- http://www.dow.wau.nl/msa/gpm/

UK Phenology Network
- Coordinates volunteers to study phenology in the UK, including monitoring impacts of climate change on wildlife.
- http://www.woodland-trust.org.uk/phenology/

Phenology Web Links
- Directory of information and websites providing floral calendars and sequence of bloom.
- http://www.attra.org/attra-pub/phenology.html

Life Cycles Phenology Recording Keeping Software
- Describes phenology and available software for maintaining field notes.
- http://sws-wis.com/lifecycles/lc.html

Phenology, the Study of Nature's Cycles of Life
- About the study of plant and animal growth and activity in response to seasonal changes.
- http://sws-wis.com/lifecycles/