I am puzzled by article H4 from the Hybrids appendix. The example makes it worse. H.4.1. When all the parent taxa can be postulated or are known,...
I will re-check the usage of the word "Formen" in Hayek's work. Art. 37.3 requires a clear indication of its rank, so if doubt remains, I'll...
Here's Hayek (1908): bd. 1 - Flora von Steiermark, - Biodiversity Heritage Library end here weatherby: v.24-26(1934-1936) - American fern...
OK, then the correct author citation would be to find the first one that makes the wrong interpretation (sofar I found Weatherby, 1935), so...
The name Dryopteris filix-mas forma incisa is attributed by various authors to (Moore) Hayek, Flora von Steiermark. Hayek, however, in this Flora...