Search Results - "Britton, D.M"

Phylogenetic relationships and evolution of extant Horsetails, Equisetum, based on chloroplast DNA sequence data (rbcL and trnL-F) by Des Marais, D.L, Smith, A.R, Britton, D.M, Pryer, K.M

“…Equisetumis a small and morphologically distinct genus with a rich fossil record. Two subgenera have been recognized based principally on stomatal position and…”
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Isoetes X novae-angliae (Isoetaceae), an additional hybrid quillwort from New England by Brunton, D.F, Britton, D.M

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Isoetes melanopoda spp. silvatica (subsp. nov.), a New Quillwort (Isoetaceae) From Eastern North America by Brunton, Daniel F, Britton, Donald M

“…Isoetes melanopoda, a diploid species of ephemeral prairie wetland swales primarily in central North America, has also been found in swamp forests over a wide…”
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Isoetes microvela (Isoetaceae), a new quillwort from the coastal plain of the southeastern United States by Brunton, D.F, Britton, D.M

“…Isoetes microvela, sp. nov., is described from cytologically confirmed hexaploid populations from the coastal plain of North Carolina. At least one population…”
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Appalachian quillwort (Isoetes appalachiana, sp. nov.; Isoetaceae), a new pteridophyte from the eastern United States by Brunton, D.F, Britton, D.M

“…Isoetes appalachiana, sp. nov., is an element of the I. engelmannii complex of North America. Its distinct cytology, spore morphology, and distribution are…”
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Taxonomy, identity, and status of Isoetes virginica (Isoetaceae) by Brunton, D.F, Britton, D.M, Wieboldt, T.F

“…The quillwort Isoetes virginica was described from material from a single location in west central Virginia in 1937. Subsequent treatments have considered it…”
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Gametophytes of Diphasiastrum x habereri by Whittier, Dean P., Britton, Donald M.

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Isoetes hyemalis, sp. nov. (Isoetaceae): a new quillwort from the southeastern United States by Brunton, D.F, Britton, D.M, Taylor, W.C

“…Isoetes hyemalis, sp. nov., is described from deciduous and mixed forest swamps in the southeastern United States. Populations are known from Virginia, South…”
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Phloroglucinol derivatives of Dryopteris tokyoensis and the missing genome in Dryopteris cristata and Dryopteris carthusiana (Dryopteridaceae) by Widen, C.J, Britton, D.M

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significance of chromosome numbers in ferns by Britton, D.M

“…The importance of chromosome numbers in ferns is assessed. Some of the distinctive basic numbers (x = 29, 37, 39, 41 etc.) give unity to their respective…”
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Typification within the Polypodium virginianum complex (Polypodiaceae) by Cranfil, R, Britton, D.M

“…The validity and application of specific and varietal names in the Polypodium virginianum complex were investigated. Lectotypification of both P. virginianum…”
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Role of morphological characteristics of leaves and the sporangial region in the taxonomy of Isoetes in northeastern North America by Kott, L.S, Britton, D.M

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Comparison of chromatographic spot patterns of some North American Isoetes species [Pteridophyta, ferns, chemotaxonomy] by Kott, L. S., Britton, D. M.

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