Plant Divisions Tracheophyta or Spermophyta – Seed Producing plants that bear flowers – Pterodophyta - a class of Tracheophyta that does not produce seeds (Ferns, reproducing with spores) Thallophyta – Fungi and bacteria All living things were traditionally placed into one of two groups, plants and animals. In this system, greater emphasis has been given on the contrast between free and united petals e.g., the class dicotyledons is divided into three sub-classes, Polypetalae , … This section is from the book "Handbook Of Hardy Trees, Shrubs, And Herbaceous Plants", by W. Botting Hemsley. *artificial classification* The ordering of organisms into groups on the basis of non-evolutionary features (e.g. Classification of Plants on the basis of longevity *artificial classification* The ordering of organisms into groups on the basis of non-evolutionary features (e.g. Do you? There are at least Four Classification Systems which are in common use: They are classified by by Seed Structure into those that reproduce through naked seeds, covered seeds, or spores. Biological classification of plants and animals was first proposed by Aristotle on the basis of simple morphological characters. There should be some system or the classification of these organisms. Biological Classification of Plants and Animals * Biological classification of plants and animals was first proposed by Aristotle on the basis of simple morphological characters. Classification and Types of Plants. You hardly look at plants that do not bear flowers. Basis Of Classification. All plants share certain features. They are made up of many cells. the grouping together of plants according to the number and situation of their stamens, styles, and stigmas rather than their evolutionary relationships). Classification of Plants Based on Photoperiodism On the basis of Photoperiodism responses the plants are divided in to different types by Garner & Allard. Whittaker proposed an elaborate five kingdom classification – … According to stature, height, growth & duration of stems, plants are herbs, shrubs, trees, creepers, twiners, climbers and lianas. Levels of classification are based on the following three criteria: Plant body: whether the body has well-differentiated structures or not. The history of biological classification began with Aristotle, the Greek philosopher, who is is often called the father of biological classification. E] Classification on the basis of mode of transmission. This system was considered as an artificial system of classification, as plants were classified based on vegetative characters. Description. This classification may date from Aristotle (384 BC – 322 BC), who made the distinction between plants, which generally do not move, and animals, which often are mobile to catch their food. Plants are classified into smaller groups, according to shared characteristics.