Life On A Quarter Acre

Genus Agaricus (Field and Button Mushrooms)

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Observations
Species
Taxonomy
g_idstdClass Object ( [id] => 384 [family_id] => 208 [genus_name] => Agaricus [common_name] => Field and Button Mushrooms [genus_text] => )
stdClass Object
(
    [id] => 757
    [k_id] => 5
    [p_id] => 3
    [sp_id] => 6
    [c_id] => 15
    [sc_id] => 6
    [o_id] => 39
    [so_id] => 25
    [io_id] => 0
    [supf_id] => 0
    [f_id] => 208
    [sf_id] => 0
    [t_id] => 0
    [st_id] => 0
    [g_id] => 384
    [sg_id] => 0
    [s_id] => 371
    [ss_id] => 0
    [o_desc] => 

Found in yard while mowing lawn.

cap diameter 15 cm, stem length 12 cm

Gills liquified into black goo after spore ring was made

[o_time] => 1496613600 [inat_time] => 1496613600 [cat_id] => 151 [o_image] => [o_featured] => 0 [inat_url] => https://www.inaturalist.org/observations/6516695 [inat_image_url] => https://inaturalist-open-data.s3.amazonaws.com/photos/8253314/large.jpeg [o_short_desc] => [lowest_level] => s_id [llid] => 1 [cultivated] => 0 [introduced] => [good_image] => 1 [pollinating] => 0 [pollinating_level] => [eco_interaction] => 0 [gender] => [research_grade] => 0 )

Agaricus campestris
(Meadow Mushroom)