Table 4. Total arsenic concentrations, extracted arsenic, and arsenic species in investigated Cortinarius spp. (mg kg⁻¹ in dry matter).

Sample ID	Cortinarius	Total As mg kg−1	Extracted As mg kg−1	DMA mg kg−1	AB mg kg−1	TMAO mg kg−1	AC mg kg−1	TETRA mg kg−1	MA mg kg−1	Inorganic As mg kg−1	UNK 1 mg kg−1	UNK 2 mg kg−1	UNK 3 mg kg−1
ASP-65	variecolor	13.2 ± 0.8	11.4 ± 0.4	0.05	8.6	0.02	0.06	0.17	nd	nd	0.02	0.01	0.29
ASP-70	pseudodaulnoyae	12.3 ± 0.8	10.7 ± 0.3	0.10	8.1	0.08	0.06	0.01	nd	nd	0.004	0.02	0.16
B-503b	largus	7.4 ± 0.4	5.2 ± 0.7	0.21	4.7	0.23	0.05	0.07	nd	nd	0.01	0.03	nd
B-839	coalescens	11.7 ± 0.5	10.9 ± 0.2	0.05	8.6	0.21	0.07	0.19	nd	nd	0.02	0.04	nd
B-840	coalescens	3.6 ± 0.4	2.6 ± 0.3	0.04	2.1	0.23	0.02	0.09	nd	nd	0.01	0.05	nd
B-841	coalescens	30.2 ± 0.3	27.8 ± 0.6	0.05	22.1	0.21	0.24	0.43	nd	nd	0.03	0.04	nd
B-841b	coalescens	13.6 ± 0.5	6.6 ± 0.8	0.02	5.8	0.05	0.05	0.13	nd	nd	0.004	0.02	nd

UNK: unknown arsenic species; nd: not detectable; limit of detection = 0.002 mg kg⁻¹

Concentrations of total and extracted arsenic are presented as mean and standard deviation from three replicates. Standard deviations of arsenic species within the three replicates were around 5% or less