a guidebook describing natural objects of some type that might be encountered in the field

Commonly encountered, experienced, or observed, Such as is in common use; such as occurs in ordinary practice, or in the ordinary course of events; customary; ordinary; habitual; common, occurring or encountered or experienced or observed frequently or in accordance with regular practice or procedure, noun_ That which is usual

New to one's experience; not encountered before, Not preserved, as by canning, smoking, or freezing, Rested and ready for a long ride Used of horses, adverb_ Recently; newly, noun_ The early part, A freshet

Simple past tense and past participle of encounter

Commonly encountered; usual_ synonym_ common, Of no exceptional ability, degree, or quality; average, Not particularly good; not better than average

A person employed to conduct others, as through a museum, and give information about points of interest encountered, Something that serves to direct or indicate, intransitive verb_ To supervise the training or education of, To serve as a guide

widely encountered, used, or recognized, generally approved, believed, or recognized, verb_ simple past tense and past participle of accept