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conifer-genera-identification

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Journal Articles
The American Biology Teacher. 2010; 725301–304 doi: https://doi.org/10.1525/abt.2010.72.5.8
Published: 01 May 2010
... National Association of Biology Teachers 2010 3 e-mail: steven.strain@sru.edu . 4 e-mail: jerry.chmielewski@sru.edu . Simple computer program conifer genera identification References House J.D. . ( 2002 ). The motivational effects of specific teaching activities and...
Journal Articles
The American Biology Teacher. 2011; 732100–104 doi: https://doi.org/10.1525/abt.2011.73.2.8
Published: 01 February 2011
.... Diagrams of common leaf morphology characteristics used to classify trees. Figure 3. Glossary of common leaf morphology characteristics used to classify trees. Figure 3. Glossary of common leaf morphology characteristics used to classify trees. Figure 1. Key to genera of common wild...
Journal Articles
The American Biology Teacher. 2003; 656409–417 doi: https://doi.org/10.2307/4451528
Published: 01 August 2003
... bryophytes (mosses and liverworts) and pterophytes (ferns) as they investigate the alternation of genera- tions in representative species of these plant groups. For example, they observe general body form and identify reproductive structures in moss species suchz as Mnium or Polytrichum; in a common...
Journal Articles
The American Biology Teacher. 1997; 596338–343 doi: https://doi.org/10.2307/4450325
Published: 01 June 1997
... of such information will be provided by the Flora of North America North of Mexico (FNA), the official name of the project. The plant life of this continent is remarkably rich and diverse, with about 20,000 species of plants in the area north of Mexico alone. Of the native genera, 3817o are found...
Journal Articles
The American Biology Teacher. 1988; 508487–495 doi: https://doi.org/10.2307/4448808
Published: 01 November 1988
... Charles Darwin's announcement of his theory of evolution in 1859, natural systems have Table 1. Synopsis of the major plant taxa (from Pearson 1983). The last column (Numbers of Included Taxa) gives the number of orders, families, genera and species, in that order, included in each class. Common Names...
Journal Articles
The American Biology Teacher. 1983; 457366–370 doi: https://doi.org/10.2307/4447726
Published: 01 November 1983
... originated with gymnosperms as they appeared before the evolution of animal pollinators. Conifers have pollen uniquely structured to take advantage of the wind. Their pollen have sacs (bladders) that increase their surface-to-volume ratio, making them more buoyant in transport. The genera Picea (spruce...
Journal Articles
The American Biology Teacher. 1979; 41118–20 doi: https://doi.org/10.2307/4446447
Published: 01 January 1979
... each of the ecological zones. follows. Plantings generally were hardy native genera, examples of which are given in table 1. 1. The conifer forest requires only plantings of coniferous trees. 2. The deciduous forest also simply requires only the planting of deciduous specimens. 3. The prairie area...
Journal Articles
The American Biology Teacher. 1976; 388506–507 doi: https://doi.org/10.2307/4445716
Published: 01 November 1976
...- dicated. This alone would save time and effort for any student of limnology. Each lake mentioned by the author is listed, as well as the latitude and longi- tude for each. The genera and species of the plants cited are also indexed to afford ready access to specific informa- tion without page-by-page...