Perhaps you should try some spelling variations:
"botanical based" » "botanical names", "botanical bird", "botanicals used"
"botanical notes" » "botanical names", "botanical forms", "botanical sources"
"botanical tree" » "botanical terms", "botanical order", "botanical garden"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("botanical tree") OR ("botanical notes"))) OR ("botanical based")).
• Removing quotes may allow a broader search: (((( botanical tree ) or ( botanical notes ))) or ( botanical based )).
• Adding a wildcard symbol may retrieve word variants: (((("botanical tree") or ("botanical notes"))) or ("botanical based"))*.