Collectanea ad omnem rem botanicam spectantia, written in Latin by Johann Jakob Römer, is a compilation of botanical observations and research. This work, published in 1809, gathers information "partim e propriis, partim ex amicorum schedis manuscriptis"-partly from the author's own notes and partly from the manuscript notes of friends.

The book represents a valuable resource for understanding the state of botanical knowledge at the beginning of the 19th century and provides insights into the methodologies and collaborative nature of scientific inquiry during that era. It offers a unique glimpse into the scientific discourse and exchange of information among botanists of the time, making it an important historical document for researchers and enthusiasts interested in the history of botany and plant science.

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This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.