Grex

[horticulture] The term grex (pl. greges), derived from the Latin noun grex, gregis meaning flock, has been coined to expand botanical nomenclature to describe horticultural hybrids of orchids, based solely on their specified parentage. It is a type of the `Group` category, which is used to describe cultivated plants in practical ways that
Found on http://en.wikipedia.org/wiki/Grex_(horticulture)

grex

The multicellular aggregate formed by cellular slime moulds (Acrasidae): the slug-like grex migrates, showing positive phototaxis and negative gravitaxis, until culmination (the formation of a fruiting body) takes place. Coordination of the activities of the hundreds of thousands of individual amoebae that compose the grex may involve pulses of cyc
Found on http://www.encyclo.co.uk/visitor-contributions.php

grex

<biology> The multicellular aggregate formed by cellular slime moulds (Acrasidae): the slug like grex migrates, showing positive phototaxis and negative gravitaxis, until culmination (the formation of a fruiting body) takes place. ... Coordination of the activities of the hundreds of thousands of individual amoebae that compose the grex may i
Found on http://www.mondofacto.com/facts/dictionary?grex

Grex

[biology] A grex (or slug) is a multicellular aggregate of amoeba of the groups Acrasiomycota or Dictyosteliida that can be formed when the amoeba run out of food. It takes its form when the column formed from the aggregation of cells collapses due to its height, and becomes a slug-shaped mass. The grex moves as a unit, and the individual o
Found on http://en.wikipedia.org/wiki/Grex_(biology)

Grex

Term used to refer to the group of progeny of a specific cross.
Found on http://www.beautifulorchids.com/orchids/orchid_care_tips/glossary.html

grex

All siblings of the same seed cross.
Found on http://www.clanorchids.com/clanglos.htm
No exact match found