How to use the key
General notes: Aggregate species, aquatic plants, collecting for identification, English names, equipment, hybrids, Latin names, measurements, non-flowering plants, rarities, simplified keys, further identificationi
The parts of a plant
Terms used
First key:
Non-flowering plants
Flowering plants and conifers
Keys to families:
Non-flowering plants reproducing by spores
Trees in leaf; Shrubs and undershrubs in leaf
Trees and shrubs whose flowers appear before their leaves
Aquatic plants with aerial white or coloured flowers
Aquatic plants with small greenish or brownish flowers either aerial or submerged
Aquatic plants without flowers
Land plants with small greenish or brownish flowers and narrow leaves
Plants with small greenish or minute flowers and leaves not long or narrow
Flowers usually tiny but packed together into a head
Land plants with zygomorphic flowers
Land plants with actinomorphic flowers and a single perianth
Land plants with actinomporphic flowers, sepals and united petals
Plants with white or coloured actinomorphic flowers. Sepals and free petals both present
Key to species
Simplified keys
Index to plant names (Latin and English)
Index to families
