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The Plastids of Isoetes howellii
American Journal of Botany, 1962Paolillo, D. J., Jr. (U. Illinois, Urbana.) The plastids of Isoetes. howellii. Amer. Jour. Bot. 49(6): 590–598. Illus. 1962.—The plastids of various tissues of the sporophyte of Isoetes howellii have been investigated with the light and electron microscopes.
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American Fern Journal, 1927
Cormus trisulcatus 5-7 mm. crassus. Folia (4) 6-10, 5-13 c.m. Ig. laete viridia flaccida vagina 4.-4.5 mm. sursum secus laminam in apicem tenuem sensim attenuatam producta lacunis magnis diaphragmatibus 1-2 mm. distantibus sparsis. Sporangia ellipsoidea vel globosa usque ad 2. mm. Ig. Ligula subcordato-ovata saepe transverse latior 1 mm.
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Cormus trisulcatus 5-7 mm. crassus. Folia (4) 6-10, 5-13 c.m. Ig. laete viridia flaccida vagina 4.-4.5 mm. sursum secus laminam in apicem tenuem sensim attenuatam producta lacunis magnis diaphragmatibus 1-2 mm. distantibus sparsis. Sporangia ellipsoidea vel globosa usque ad 2. mm. Ig. Ligula subcordato-ovata saepe transverse latior 1 mm.
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Cytology of Isoetes coromandelina
American Fern Journal, 1961Isoetes coromandelina L. is a native of India (cf. Reed, 1953) and is most commonly met with in South Indian localities along with three other species, namely: I. dixitei Shend., I. sahyadrii Mahabale and I. sampathkumaranii Rao. Apart from South India, I. coromandelina has been reported to occur in Serampur (Bengal, cf.
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Isoetes ×jermyi hyb nov. (Isoetaceae), a new quillwort (lycophyte) hybrid from western Europe
Botany Letters, 2021Daniel F Brunton, Fred J Rumsey
exaly
American Fern Journal, 1949
sporophylls also have a very short mucro and the marginal cilia are dense and numerous. In contrast S. Watsoni has, on the average, shorter leaves, these more abruptly narrowed or obtuse, thicker, more strongly dorsally convex, and terminating in a distinct lutescent bristle 0.2-0.35 (4) mm. long.
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sporophylls also have a very short mucro and the marginal cilia are dense and numerous. In contrast S. Watsoni has, on the average, shorter leaves, these more abruptly narrowed or obtuse, thicker, more strongly dorsally convex, and terminating in a distinct lutescent bristle 0.2-0.35 (4) mm. long.
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Chloroplast genomes of key species shed light on the evolution of the ancient genusIsoetes
Journal of Systematics and Evolution, 2021Jovani B S Pereira +2 more
exaly
The taxonomy and conservation status of Isoetes (Isoetaceae; Lycopodiopsida) in India
Botany Letters, 2021Sarvesh Kumar Singh +2 more
exaly