Charlotte Cortlandt Ellis [SEP] occupation
Charlotte Cortlandt Ellis
Charlotte Cortlandt Ellis (27 June 1874 – 17 March 1956) was an American botanist and plant collector active in New Mexico. She discovered several plant species and collected numerous plant specimens.
Plant collecting.
Ellis discovered and collected a number of plant specimens used to create the formal scientific description and scientific name of that particular type of plant. 
The holotype specimens she discovered and collected include "Primula ellisiae", "Dodecatheon ellisiae" and "Astragalus praelongus" var. "ellisiae".
" was a distinct species from "Primula rusbyi". This plant species was named in honor of its discoverer, and one of her husband's students, Charlotte Cortlandt Ellis. However it appears that Balfour was in error as these plants are now regarded as being one and the same species.
In 1923 Cockerell and Theodore undertook a field trip to Japan. They traveled on the steamer "Aleut". While in Japan they had a narrow escape in the Great Kantō earthquake. The "Denver Times" reported that Cockerell