Azolla filiculoides Lam.
Descripción
Differs from A. microphylla by: plants elongate, pinnately branched, frequently 2–6 cm long; dorsal (upper, photosynthetic) leaves larger, to 1 mm long, more prominently papillose, papillae 1-celled; megaspores warty with raised angular bumps, with relatively sparse filamentous hairs on the surface. A
Forma de vida
Hidrófita libreA
Ejemplar revisado
Chih (Hartman 614, NY). Méx (Pringle 5222, NY).
Unverified, Doubtful, or Mistaken Reports. Ags (Siqueiros 3350, HUAA, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified). DF (reported by Zimmerman et al., 1993, but not verified). Hgo (reported by Zimmerman et al., 1993, but not verified). Mor (Bonilla 64, HUMO, cited by Riba et al., 1996, but we regard this number, also at UAMIZ, as A. microphylla; Campos F. 12, HUMO, also cited by them). Oax (reported by Zimmerman et al., 1993, but not verified). Pue (reported by Zimmerman et al., 1993, but not verified). Qro (Pineda s.n., ENCB, QMEX, cited by Arreguín et al., 2001, but not verified). Sin (reported by Vega A. et al., 1989, but probably a misidentification). Tab (reported by Magaña, 1992, as A. caroliniana, but probably based on a misidentification).
A
Unverified, Doubtful, or Mistaken Reports. Ags (Siqueiros 3350, HUAA, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified). DF (reported by Zimmerman et al., 1993, but not verified). Hgo (reported by Zimmerman et al., 1993, but not verified). Mor (Bonilla 64, HUMO, cited by Riba et al., 1996, but we regard this number, also at UAMIZ, as A. microphylla; Campos F. 12, HUMO, also cited by them). Oax (reported by Zimmerman et al., 1993, but not verified). Pue (reported by Zimmerman et al., 1993, but not verified). Qro (Pineda s.n., ENCB, QMEX, cited by Arreguín et al., 2001, but not verified). Sin (reported by Vega A. et al., 1989, but probably a misidentification). Tab (reported by Magaña, 1992, as A. caroliniana, but probably based on a misidentification).
A
Elevación
1500 – 2550 mA
Ecología y Hábitat
Floating in water, marshes, stagnant streams.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC