Using MushroomExpert.Com, find the typical habitat and spore size for Agaricus campestris. Then, locate the spore size for Agaricus porphyrocephalus var. pallidus. Based on this information, identify the primary microscopic feature that differentiates these two mushroom varieties.
Navigate to mushroomexpert.com. Use the website's navigation or search features to find the species page for Agaricus campestris. Extract the typical habitat for Agaricus campestris from its species page. Extract the spore size for Agaricus campestris from its species page. Use the website's navigation or search features to find the species page for Agaricus porphyrocephalus var. pallidus. Extract the spore size for Agaricus porphyrocephalus var. pallidus from its species page. Compare the extracted spore sizes and identify the primary microscopic feature that distinguishes the two varieties.
State the typical habitat for Agaricus campestris as 'meadows, fields, lawns, and grassy areas'. State the spore size for Agaricus campestris as '6.5–8.5 x 4–5 µm'. State the spore size for Agaricus porphyrocephalus var. pallidus as '5–6.5 x 3.5–4.5 µm'. Clearly identify spore size as the primary microscopic distinguishing feature between the two varieties.