One of the basic units of biological classification and a taxonomic rank.
1 L. Batrachospermum sp., trichogyne with spermatia attached; carpospores arising from fertilized carpogonium.
2 F. Macrocystis sp., tubular elements from the medulla, with sieve-like transverse walls.
3 Chara sp., oogonium and antheridium at a node on a lateral appendage.
4 Oedogonium sp., oogonium at moment of fertilization with dwarf male attached.
5 Curious facts are given on the movements of Cassia, Phyllanthus, sp., Desmodium sp.
6 L. Caulerpa sp., showing portion of axis with leaf-like and root- like appendages.
7 C. Lomeittaria sp., apex showing growth in length through coordinated growth of many filaments.
8 G. Collithamnson sp., tetrasporangium with spores arranged in a tetrad.
9 A. Polysiphonia sp., apical region showing leading cell and cutting off of pericentral cell.
10 Volvox sp., surface view of a single cell showing connexions.
11 F. Polyzonia sp., branch with leaf-like branches of limited growth.
12 The complete nucleotide sequence of a virus infecting ornamental hibiscus (Hibiscus sp.)
13 G. Laminaria sp., hyphae with trumpet-like ends also from medulla.
14 B. Polysiphonia sp., transverse section through a branch, and at a, mother-cell of tetraspores.
15 H. Oedogonium sp., intercalated growth by insertion of new piece (a) leaving caps.
16 Chara sp., axis with leaf-like appendages and a branch.
Другие примеры для термина "sp."
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