What's the difference between hawkbit and hawkweed?

Hawkbit

Definition:

• (n.) The fall dandelion (Leontodon autumnale).

Example Sentences:

Hawkweed

Definition:

• (n.) A plant of the genus Hieracium; -- so called from the ancient belief that birds of prey used its juice to strengthen their vision.
• (n.) A plant of the genus Senecio (S. hieracifolius).

Example Sentences:

• (1) Mouse-ear hawkweed, that mini dandelion on a tall stem, is visible everywhere.