First phylogenetic system of plant classification was given by :-

Options

A. Bentham and Hooker
B. A.W. Eicher
C. Oswald Tippo
D. Copelandt

Answer

To solve the question regarding who first proposed a phylogenetic system of plant classification, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the individual who first introduced a phylogenetic system of plant classification.

2. **Review the Options**: The options provided are:
- A) Bentham and Hooker
- B) A.W. Eichler
- C) Oswald-Tippo
- D) Copeland

3. **Identify Key Concepts**:
- A phylogenetic system of classification is based on evolutionary relationships among organisms.
- It is important to know the contributions of each individual listed in the options.

4. **Analyze Each Option**:
- **Bentham and Hooker**: They are known for the natural system of plant classification but not specifically for a phylogenetic system.
- **A.W. Eichler**: He is credited with the first phylogenetic classification of plants in 1833, dividing plants into Cryptogami (flowerless and seedless) and Fenerogami (flowering and seed-bearing).
- **Oswald-Tippo**: He focused on classification based on embryo development, which is not the same as a phylogenetic system.
- **Copeland**: His contributions do not pertain to the first phylogenetic classification.

5. **Conclude the Correct Answer**: Based on the analysis, A.W. Eichler is the correct answer as he was the first to propose a phylogenetic system of plant classification.

### Final Answer:
The first phylogenetic system of plant classification was given by **A.W. Eichler**.

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