This form has watermelon coloured flowers. Spines are white, and spread over the whole pad.
This form comes from Lafayette TX. It has very thin pads, and always looks very dehydrated at the end of the winter.
The plant has no spines, but a lot of glochids.
This form comes from Kansas, and is supposedly very hardy.
Few spines, lots of glochids, and yellow flowesr with a substantial amount of rd in the base.
This form has very pale stigma's, and could be the real macrorhiza.
Nice, apricot-orange flowers and quite some spines (the darker plant in the foreground is something different, and hasn't flowered yet).
This form has yellow flowers with a bit of orange at the base.
This form has yellow flowers with very pale stigma's.
This form has purplish flowers and white, stif spines. Might be the same as "Viola".
This form has very nice yellow flowers with a red center.
This form has nice pink-purple flowers with lighter edges (sometimes even white).
This form has very nice yellow flowers with a very pale stigma. True macrorhiza.
This form has nice yellow flowers with a reddish throat with a very pale stigma. The flowers fade into a light orange with a darker red base and increase in size! Possibly true macrorhiza.
This form has nice pink-red flowers with a white stigma. Long stiff spines.
This form has nice good sized pale yellow flowers with pink-red centers and a white stigma. Few spines.