1. Short title (a) Short title This Act may be cited as the Extinction Prevention Act of 2023 . (b) Table of contents The table of contents for this Act is as follows: Sec. 1. Short title. Title I—North America Butterfly Conservation Act of 2023 Sec. 101. Short title. Sec. 102. Purposes. Sec. 103. Definitions. Sec. 104. North America butterfly conservation assistance. Sec. 105. North America Butterfly Conservation Fund. Sec. 106. Authorization of appropriations. Sec. 107. Report to Congress. Title II—Pacific Islands Plant Conservation Fund Act of 2023 Sec. 201. Short title. Sec. 202. Purposes. Sec. 203. Definitions. Sec. 204. Pacific Islands plant conservation assistance. Sec. 205. Pacific Islands Plant Conservation Fund. Sec. 206. Authorization of appropriations. Sec. 207. Report to Congress. Title III—Freshwater Mussel Conservation Fund Act of 2023 Sec. 301. Short title. Sec. 302. Purposes. Sec. 303. Definitions. Sec. 304. United States freshwater mussel conservation assistance. Sec. 305. Freshwater Mussel Conservation Fund. Sec. 306. Authorization of appropriations. Sec. 307. Report to Congress. Title IV—Southwest Desert Fish Conservation Fund Act of 2023 Sec. 401. Short title. Sec. 402. Purposes. Sec. 403. Definitions. Sec. 404. Southwest desert fish conservation assistance. Sec. 405. Southwest Desert Fish Conservation Fund. Sec. 406. Authorization of appropriations. Sec. 407. Report to Congress. I North America Butterfly Conservation Act of 2023 101. Short title This title may be cited as the North America Butterfly Conservation Fund Act of 2023 . 102. Purposes The purposes of this title are— (1) to perpetuate healthy populations of butterflies in North America; (2) to assist in the conservation of threatened and endangered butterflies by supporting conservation initiatives in North America