genus betula Definition

betula, birch, birch tree, betulaceae, betulin, birch family, family betulaceae, acacia, aspen, alders, beeches, bits, bones, birchbark, silver birch, acacias, alba, applause, archipelagoes, ashes, aspens, asperities, bamboos, bands, bergs, billets, birches, bivouacs, sp, abalone, abelmoschus, aberrant, abies, abt, abutilon, acanthurus, acanthus, acarus, accentor, accipiter, acer, acetabulum, acetobacter, ach, acinos, acipenser, acme, aconite, aconitum, acorn worm, acorus, acroclinium, actinia, actinidia, actinotrocha, ada, adansonia, adder, adelges, adelgid, adiantum, adonis, agama, agamidae, agapornis, agar, agaric, agaricus, agastache, agave, agdestis, ageratum, aggregation, agonus, agouti, agouty, agrimony, agropyron, agrostis, alabama, alauda, albatross, albugo, albula, alca, alcedo, alcyonium, alder, alder fly, alewife, alexanders, aleyrodes, alisanders, alligator, allium, almond, alocasia, aloe, alopius, alosa pseudoharengus,