and in Mexico. Morphologically, P. tampicana most closely resembles P. glabella; the former grows in very wet, sandy or clay soils and open sunlight, the
4 KB (335 words) - 21:00, 5 November 2020
Woodsia alpina is an allotetraploid derived from hybridization between W. glabella and W. ilvensis (see reticulogram). Considerable disagreement exists concerning
4 KB (369 words) - 22:39, 20 February 2024
to be disregarded; counts of 2n = ca. 80 have been re-assigned to Draba glabella. Published (G. A. Mulligan 2002) and unpublished counts made by Mulligan
6 KB (655 words) - 23:33, 5 November 2020
have an odd number (3x, 5x), but exceptions are frequent (e.g., Pellaea glabella). Apogamous taxa cannot hybridize with each other, but they are often capable
69 KB (10,503 words) - 23:43, 13 February 2019