Select correct matched pair/ pairs:

Options

A. Claviceps- Ascomycetes
B. Morels- Ascomycetes
C. Agaricus- Basidiomycetes
D. All of the above

Answer

To solve the question regarding the correct matched pairs of fungi and their respective classes, we will analyze each option provided:

1. **Clevisseps - Ascomycetes**:
- Clevisseps is a genus of fungi that belongs to the class Ascomycetes. This is correctly matched.

2. **Morels - Ascomycetes**:
- Morels are a type of edible fungi that also belong to the class Ascomycetes. This is correctly matched as well.

3. **Agaricus - Basidiomycetes**:
- Agaricus is a genus that includes mushrooms, and it belongs to the class Basidiomycetes. This is correctly matched too.

Since all the pairs are correctly matched with their respective classes, we can conclude that the correct answer is:

**All of the above.**

### Step-by-Step Solution:
1. Identify the first pair: Clevisseps and Ascomycetes.
- Confirm that Clevisseps belongs to Ascomycetes.

2. Identify the second pair: Morels and Ascomycetes.
- Confirm that Morels belong to Ascomycetes.

3. Identify the third pair: Agaricus and Basidiomycetes.
- Confirm that Agaricus belongs to Basidiomycetes.

4. Since all pairs are correctly matched, select the option "All of the above."