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Pteridium latiusculum (Desvaux) Hieronymus. Eastern Bracken. Phen: Jul-Sep. Hab: Mainly in dry woodlands, forests, and heath balds, up to 1600 m in elevation. Dist: NL (Newfoundland) west to MB, south to Panhandle FL, TX, and n. Mexico.

Origin/Endemic status: Native

Taxonomy Comments: The circumscription of the "latiusculum entity" follows Thomson, Mickel, & Mehltreter (2008) in excluding Old World material included by many earlier authors. The relationship of the ‘latiusculum’ and ‘pseudocaudatum’ entities is discussed in detail by Speer & Hilu (1999) and Speer, Werth, & Hilu (1999).

Synonymy: = Pteridium aquilinum (L.) Kuhn ssp. latiusculum (Desv.) Hultén – NE, NY, Va, Thomson, Mickel, & Mehltreter (2008), Zhou et al (2014); = Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex Heller – Pa; = Pteris latiuscula Desv. var. latiuscula – Sf; < Pteridium aquilinum (L.) Kuhn var. aquilinum – S13; < Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex Heller – Ar, C, F, Fl1, FNA2, G, GrPl, Il, K1, K3, K4, Mo1, RAB, Tat, W, WH3, WV, Lin et al (2013), Speer & Hilu (1998); < Pteris aquilinum – Tn

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Heliophily: 6

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image of plant© jrcagle, some rights reserved (CC BY), uploaded by jrcagle source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© jrcagle, some rights reserved (CC BY), uploaded by jrcagle source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© jrcagle, some rights reserved (CC BY), uploaded by jrcagle source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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