That's a really strong point Nate - variables within species. Even further, differences in subspecies. Hybrids haven't been examined as long as taxonomy is hotly debated, even from there, mastering Latin nomenclatures has two people arguing if an escarpment live oak is a Fusiformis or a virginianna varient.
One may be slightly offset a standard in recognized patterns of CODIT growing on elevated pH conditions while the other may be less able to adapt to and isolate an injury or infection, even two os the same variety growing 50 meters apart.
Rule of thumb in prognosing a presented event - each tree is different and demands being looked at as unique and responses as variable as humans having so many differences that treatment regimens for a fat man in his sixties are far different that a kid in his teens when it comes to chemotherapy recommendations in protocol. The cancer's the same, but reactions vary highly. I find it true in oaks as well. Ground cover, nutritional supplements, weed killers, air quality, sunshine direct or diffuse, rock, moisture, and the attitudes of the owners - all play a role in each tree's physiology, at least in my humble opinion.
No standards therefore, but at least a place to start from. Like figthing terrorism, no blanket cure.
One may be slightly offset a standard in recognized patterns of CODIT growing on elevated pH conditions while the other may be less able to adapt to and isolate an injury or infection, even two os the same variety growing 50 meters apart.
Rule of thumb in prognosing a presented event - each tree is different and demands being looked at as unique and responses as variable as humans having so many differences that treatment regimens for a fat man in his sixties are far different that a kid in his teens when it comes to chemotherapy recommendations in protocol. The cancer's the same, but reactions vary highly. I find it true in oaks as well. Ground cover, nutritional supplements, weed killers, air quality, sunshine direct or diffuse, rock, moisture, and the attitudes of the owners - all play a role in each tree's physiology, at least in my humble opinion.
No standards therefore, but at least a place to start from. Like figthing terrorism, no blanket cure.