Taxon	Illustrator ⠉
	Anemia mexicana Lygodium japonicum Lygodium palmatum Anemia adiantifolia Anemia wrightii	John Myers John Myers John Myers John Myers John Myers

Stems short-creeping, horizontal, clothed with dark hairs. Leaves partially dimorphic with sporangia restricted to erect, dissected, most proximal pair of pinnae arising from petiole just below sterile part of blade or leaves fully dimorphic and blade tissue lacking on fertile leaves. Blade 1–3-pinnate, papery to leathery. Veins free [anastomosing]. x = 38.

Distribution

Tropical and subtropical regions, North America, Mexico, West Indies, Central America, South America, 1 in Asia in s India, 10 in Africa

Discussion

Anemias are most abundant in Brazil (ca. 70 spp.) and have a secondary center of diversity in Mexico (20 spp.). They are limited in the flora to peninsular Florida and the Edwards Plateau, Texas. All 3 species belong to the calciphilic subgenus Anemiorrhiza.

Species 117 (3 in the flora).

Selected References

Mickel, J. T. 1962. Monographic study of the fern genus Anemia subgenus Coptophyllum. Iowa State Coll. J. Sci. 36: 349--482.

Mickel, J. T. 1981. The fern genus Anemia (Schizaeaceae) subgenus Anemiorrhiza. Brittonia 33: 413--429.

Mickel, J. T. 1982. The genus Anemia (Schizaeaceae) in Mexico. Brittonia 34: 388--413.

Walker, T. G. 1962. The Anemia adiantifolia complex in Jamaica. New Phytol. 61: 291--298.

Lower Taxa

Anemia adiantifolia, Anemia mexicana, Anemia wrightii

Key

1	Blades 1-pinnate; Texas.	Anemia mexicana
1	Blades 2–3-pinnate; Florida.	> 2
2	Leaves 2-pinnate, pinnae of leaf all fertile or all sterile; sporangia on all pinnae of fertile leaves, blade tissue lacking; sterile leaves 4–10 cm.	Anemia wrightii
2	Leaves 3-pinnate, often with dimorphic pinnae; sporangia limited to proximal pair of pinnae; sterile leaves (excluding erect fertile pinnae) 17–60 cm.	Anemia adiantifolia