Species within a genus

albus, = white, properly dead white, not shining.
(white, particularly a dull rather than a glossy white)

arista, = the awn or beard of grain;
-atus, = indicates possession or likeness.
aristatus, = having ears of corn.
(with white bristle-like appearance)
(ld, BL, K3)

alterno, = to do one thing and then another, to do a thing by turns, to interchange with something, to alternate; alternating.
(ld)

argentum, = white metal; silver;
-eum, = indicates material or colour or resemblance in quality.
argenteus, = of or from silver, made of silver; of a white, silver colour, silvery.
(silvery)
(ld, BL)

arista, = the awn or beard of grain;
-atus, = indicates possession or likeness.
aristatus, = having ears of corn.
(with bristle-like appearance)
(ld, BL, K3)

laevis, levis, = smooth, smoothed, not rough (opposite of asper, rough);
(smooth, free from unevenness, hairs or roughness)
-atus, = indicates possession or likeness.
levigatus, laevigatus, = smooth, slippery.
(smooth and polished)
(ld, BL)

ruga, = a crease in the face, a wrinkle;
(wrinkle or fold)
-osus, = indicates abundance or full or marked development.
rugosus, = wrinkled, shrivelled.
(wrinkled, rugose)
(ld, BL)

For Karl Ludwig Willdenow (1765-1812).**
(Ch)