| Answer | Crossword Clue |
|---|---|
| ALGA | Birdbath bit |
| ALGA | Blue-green birdbath bit |
| ALGA | Bit of birdbath gunk |
| CARDINALBASIN | Birdbath? |
| ALGA | Birdbath organism |
| ALGAE | Birdbath buildup |
| ALGAE | Birdbath gunk |
| ALGAE | Birdbath greenery? |
| ALGAE | Birdbath grunge |
| birdbaths | BIRDBATH, a bath for birds |
