§ 17.100 50 CFR Ch. I (10–1–13 Edition)

Psydrax odorata, Sida fallax, Sophora Nephrolepis spp. Nestegis sandwicensis, chrysophylla, or Waltheria indica; and Psydrax odorata, Wikstroemia (ii) Elevations between 29 and 128 m phillyreifolia, or Wikstroemia (94 and 420 ft). sandwicensis; and (2) Ferns and allies. (ii) Elevations between 510 and 981 m (1,672 and 3,217 ft). FAMILY ASPLENIACEAE: Asplenium fragile VAR. insulare (NCN) FAMILY GRAMMITIDACEAE: Adenophorus Hawaii 24—Asplenium fragile var. periens (PENDENT KIHI FERN) insulare—a, identified in the legal de- scription in paragraph (k) of this sec- Hawaii 28—Adenophorus periens—a, tion, constitutes critical habitat for identified in the legal description in Asplenium fragile var. insulare on Ha- paragraph (k) of this section, con- waii. Within this unit, the currently stitutes critical habitat for known primary constituent elements Adenophorus periens on Hawaii. Within of critical habitat include, but are not this unit, the currently known primary limited to, the habitat components constituent elements of critical habi- provided by: tat include but are not limited to, the (i) Metrosideros polymorpha dry habitat components provided by: montane forest; Dodonaea viscosa dry (i) Epiphytic on Metrosideros montane shrubland; Myoporum polymorpha or Ilex anomala, or possibly sandwicense-Sophora chrysophylla dry other native trunks, in montane forest; Metrosideros Metrosideros polymorpha-Cibotium polymorpha-Acacia koa forest; or sub- glaucum lowland wet forest containing alpine dry forest and shrubland with one or more of the following associated large, moist lava tubes (3.05 to 4.6 m (10 native : Broussasia arguta, to 15 ft) in diameter), pits, deep cracks, and lava tree molds that have at least Cheirodendron trigynum, Cyanea sp., a moderate soil or ash accumulation or Cyrtandra sp., Dicranopteris linearis, that are at the interface between Freycinetia arborea, Hedyotis terminalis, younger aa lava flows and much older Labordia hirtella, Machaerina pahoehoe lava or ash deposits with a angustifolia, Psychotria hawaiiensis, or fairly consistent microhabitat (areas Psychotria sp.; and that are moist and dark); and con- (ii) Elevations between 675 and 921 m taining one or more of the following as- (2,215 and 3,021 ft). sociated native plant species: Leptecophylla tameiameiae, Phyllostegia [68 FR 9241, Feb. 27, 2003, as amended at 68 ambigua, Vaccinium reticulatum, mosses, FR 13055, Mar. 18, 2003; 68 FR 26038, May 14, 2003; 68 FR 28072, May 22, 2003; 68 FR 36080, or liverworts; and June 17, 2003; 68 FR 39704, July 2, 2003; 77 FR (ii) Elevations between 1,313 and 2,194 57767, Sept. 18, 2012] m (4,306 and 7,198 ft).

FAMILY ASPLENIACEAE: Diellia erecta Subpart J—Manatee Protection (ASPLENIUM-LEAVED DIELLIA) Areas Hawaii 17—Diellia erecta—a and Ha- waii 18—Diellia erecta—b, identified in SOURCE: 44 FR 60964, Oct. 22, 1979, unless the legal descriptions in paragraph (k) otherwise noted. of this section, constitute critical habi- tat for Diellia erecta on Hawaii. Within § 17.100 Purpose. these units, the currently known pri- This subpart provides a means for es- mary constituent elements of critical tablishing manatee protection areas habitat include, but are not limited to, without waters under the jurisdiction the habitat components provided by: of the United States, including coastal (i) Metrosideros polymorpha-Nestegis waters adjacent to and inland waters sandwicensis lowland mesic forest con- within the several States, within which taining one or more of the following as- certain waterborne activities will be sociated native plant species: restricted or prohibited for the purpose platyphyllum, A. pulvinatum, of preventing the taking of manatees. Diospyros sandwicensis, Microlepia sp.,

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