Results 241 to 250 of about 94,886 (291)
Some of the next articles are maybe not open access.
The Sarawak Museum Journal, 2004
A total of 120 species in 55 genera and 26 families of pteridophytes are reported within the Bau Limestone Area. These represent approximately 20% of the pteridophyte flora of Sarawak. Polypodiaceae has the most species: 21 species.
openaire +2 more sources
A total of 120 species in 55 genera and 26 families of pteridophytes are reported within the Bau Limestone Area. These represent approximately 20% of the pteridophyte flora of Sarawak. Polypodiaceae has the most species: 21 species.
openaire +2 more sources
1970
The ferns and fern allies include the ferns, psilopsids, lycopsids, and horsetails (sphenopsids). These are seedless, vascular plants. They have an alternation of generations in which the sporophyte is dominant and has an axis containing xylem and phloem.
openaire +1 more source
The ferns and fern allies include the ferns, psilopsids, lycopsids, and horsetails (sphenopsids). These are seedless, vascular plants. They have an alternation of generations in which the sporophyte is dominant and has an axis containing xylem and phloem.
openaire +1 more source
2009
Abstract Extant ferns form a monophyletic group of vascular plants (1–8) that number about 10,000 species divided unequally among Ave major lineages—ophioglossoids, whisk ferns, marattioids, horsetails, and leptosporangiates—and recognized in 11 orders and 37 families (9) (Fig. 1). theselineages are all spore-bearing and “seedfree” (10).
Kathleen M Pryerand, Eric Schuettpelz
openaire +1 more source
Abstract Extant ferns form a monophyletic group of vascular plants (1–8) that number about 10,000 species divided unequally among Ave major lineages—ophioglossoids, whisk ferns, marattioids, horsetails, and leptosporangiates—and recognized in 11 orders and 37 families (9) (Fig. 1). theselineages are all spore-bearing and “seedfree” (10).
Kathleen M Pryerand, Eric Schuettpelz
openaire +1 more source
Louisiana Ferns and Fern Allies
American Fern Journal, 1982David B. Lellinger, J. W. Thieret
openaire +1 more source
Ferns and Fern Allies of Louisiana.
American Midland Naturalist, 1942H. L. Blomquist +2 more
openaire +1 more source
Arkansas Ferns and Fern Allies
American Fern Journal, 1985David B. Lellinger, W. Carl Taylor
openaire +1 more source