what can you tell me about the latter?
An American mycologist
Curtis Gates Lloyd
Curtis Gates Lloyd (July 17, 1859 – November 11, 1926) was an American mycologist known for both his research on the gasteroid and polypore fungi, as well as his controversial views on naming conventions in taxonomy. 
what is calvatia sculpta? A species of puffball fungus in the family Agaricaceae where is it commonly found? Mountainous areas in western North America is it edible? Yes - It is edible when young, before the spores inside the fruit body disintegrate into a brownish powder. who described it first? American mycologist Harvey Willson Harkness who named it? Harvey Willson Harkness initially named it Lycoperdon sculptum; Curtis Gates Lloyd named it Calvatia sculptum
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Curtis Gates Lloyd [SEP] Introduction
Curtis Gates Lloyd (July 17, 1859 – November 11, 1926) was an American mycologist known for both his research on the gasteroid and polypore fungi, as well as his controversial views on naming conventions in taxonomy. He had a herbarium with about 60,000 fungal specimens, and described over a thousand new species of fungi. Along with his two brothers John Uri Lloyd and Nelson Ashley Lloyd, he founded the Lloyd Library and Museum in Cincinnati.