Perhaps my problem is the contradiction in your post. "Most modern grasses are only as old as man...
...We have been pretty instrumental in their global spread, from absolute newcomer 65 million years ago."
Man wasn't instrumental in their global spread from (their or our) absolute newcomer (status of) 65 million years ago.
...We have been pretty instrumental in their global spread, from absolute newcomer 65 million years ago."
Man wasn't instrumental in their global spread from (their or our) absolute newcomer (status of) 65 million years ago.
"In life you can never be too kind or too fair; everyone you meet is carrying a heavy load. When you go through your day expressing kindness and courtesy to all you meet, you leave behind a feeling of warmth and good cheer, and you help alleviate the burdens everyone is struggling with."
Brian Tracy
Brian Tracy