There is now such an immense microliterature on hepatics that, beyond a certain point I have given up trying to integrate (and evaluate) every minor paper published—especially narrowly floristic papers.
to a distinctly greater extent or degree than is common; "he was particularly fussy about spelling"; "a particularly gruesome attack"; "under peculiarly tragic circumstances"; "an especially (or specially) cautious approach to the danger"
particularly: to a distinctly greater extent or degree than is common; "he was particularly fussy about spelling"; "a particularly gruesome attack"; "under peculiarly tragic circumstances"; "an especially (or specially) cautious approach to the danger"
emphasis You use especially to emphasize that what you are saying applies more to one person, thing, or area than to any others. Millions of wild flowers colour the valleys, especially in April and May Re-apply sunscreen every two hours, especially if you have been swimming. = particularly
emphasis You use especially to emphasize a characteristic or quality. Babies lose heat much faster than adults, and are especially vulnerable to the cold in their first month