Table 3.

DNA 2C values (pg) for the diploid Diphasiastrum taxa studied

Taxon	Accession number	Region	Locality	2C ± s.d. mean for locality	2C ± s.d. mean for region	2C ± s.d. overall mean
D. alpinum	H 09/75	BaFo	W Finsterau	7·50 ± 0·04
	H 09/65	BaFo	Hirschenstein	7·49 ± 0·07
	H 09/73	BaFo	NNW Finsterau	7·45 ± 0·03	7·49 ± 0·05
	H 08/01	Har	Gr. Sonnenberg	7·55 ± 0·05	7·55 ± 0·05	7·52 ± 0·06
D. complanatum	H 09/76	BaFo	W Finsterau	5·73 ± 0·06	5·73 ± 0·06
	H 09/69	BoFo	Strázny	5·74 ± 0·01	5·74 ± 0·01
	H 09/43 and H 09/88	ObWa	Voithenberg	5·73 ± 0·07	5·73 ± 0·07
	H 08/02	Har	Gr. Sonnenberg	5·78 ± 0·03	5·73 ± 0·07	5·76 ± 0·05
D. tristachyum	H 09/79	BaFo	W Finsterau	5·26 ± 0·05
	H 09/85	BaFo	E Spiegelau	5·23 ± 0·07	5·25 ± 0·06
	H 09/48 and H 09/91	ObWa	Voithenberg	5·29 ± 0·06	5·29 ± 0·06	5·26 ± 0·06
D. × issleri	H 09/77	BaFo	W Finsterau	6·68 ± 0·05
	H 09/66	BaFo	Hirschenstein	6·59 ± 0·07
	H 09/67	BaFo	Haidmühle	6·59 ± 0·05
	H 09/74	BaFo	NNW Finsterau	6·67 ± 0·09
	H 09/81	BaFo	Rindel-Berg	6·52 ± 0·06	6·61 ± 0·07
	H 09/70	BoFo	Strázny	6·61 ± 0·06	6·61 ± 0·06
	H 09/45 and H 09/89	ObWa	Voithenberg	6·61 ± 0·04	6·61 ± 0·04
	H 09/59	BlFo	Feldberg	6·73 ± 0·08	6·73 ± 0·08
	H 09/60	Vos	Tanneck, type locality	6·62 ± 0·01
	H 09/61	Vos	Tanneck	6·62 ± 0·02	6·62 ± 0·02
	H 08/03	Har	Gr. Sonnenberg	6·65 ± 0·05	6·65 ± 0·05	6·64 ± 0·07
D. × oellgaardii	H 09/78	BaFo	W Finsterau	6·45 ± 0·06
	H 09/83	BaFo	E Spiegelau	6·36 ± 0·10	6·40 ± 0·09
	H 09/71	BoFo	Strázny	6·34 ± 0·08	6·34 ± 0·08
	H 09/46 and H 09/90	ObWa	Voithenberg	6·40 ± 0·06	6·40 ± 0·06	6·39 ± 0·08
D. × zeilleri	H 09/80	BaFo	W Finsterau	5·51 ± 0·03
	H 09/84	BaFo	E Spiegelau	5·46 ± 0·04	5·50 ± 0·05
	H 09/49 and H 09/92	ObWa	Voithenberg	5·52 ± 0·07	5·52 ± 0·07
	H 09/52	HeOd	Beerfelden 1	5·55 ± 0·04
	H 09/53	HeOd	Beerfelden 2	5·56 ± 0·02	5·55 ± 0·03
	H 08/04	Har	Gr. Sonnenberg	5·56 ± 0·04	5·56 ± 0·04	5·53 ± 0·05

For abbreviations used, see Table 1.