We will be rolling out several small fixes mid-day today (Jan 29.) We do not anticipate any disruptions or problems, but f you spot any unexpected issues after 12 noon (PST), please report them in the designated thread in the DG Site Updates forum.
I borrowed this book from my local club and found a gem, if you want to understand the genetic mess the Christmas cactus is in. You will learn more about the culture, the hybrids and the species of Schlumbergia that you ever want to. A great resource for the fan of this plant.