Which one of the following is wrong about Chara?

Explanation:

Chara - Multicellular green algae. Oogamous types of reproduction are observed. Male sex organ is known as antheridium or globule present at lower part. Female sex organ is known as oogonium or nucule present at upper part of the plant. Therefore,antheridium is present at lower  and oogonium is present on the upper part of the chara.